阅读说明：本技术 定位结构 (Positioning structure ) 是由 卢磊 陈海博 刘欣 杜长林 夏贤武 于 2019-10-14 设计创作，主要内容包括：一种定位结构,包括支撑件、第一定位销和第二定位销,第一定位销包括相接的第一滑杆部和第一定位部,第一滑杆部分别沿第一方向和第二方向滑动地设置于支撑件,第一方向和第二方向的夹角大于0°且小于180°,第二定位销包括相接的第二滑杆部和第二定位部,第二滑杆部沿第一方向滑动地设置于支撑件,第一定位部和第二定位部为锥形结构,且分别突出于支撑件外,定位结构还包括分别设置于支撑件的第一定位件和第二定位件,第一定位件用于弹性抵持第一定位销以使第一定位销在抵持工件时分别于第一方向和第二方向上定位,第二定位件用于弹性抵持第二定位销以使第二定位销在抵持工件时于第一方向上定位。该定位结构定位精度高、通用性好。(A positioning structure comprises a supporting piece, a first positioning pin and a second positioning pin, wherein the first positioning pin comprises a first sliding rod part and a first positioning part which are connected, the first sliding rod part is arranged on the supporting piece in a sliding way along a first direction and a second direction respectively, the included angle between the first direction and the second direction is more than 0 degree and less than 180 degrees, the second positioning pin comprises a second sliding rod part and a second positioning part which are connected, the second sliding rod part is arranged on the supporting piece in a sliding way along the first direction, and the first positioning part and the second positioning part are in a conical structure, the positioning structure further comprises a first positioning piece and a second positioning piece which are respectively arranged on the supporting piece, the first positioning piece is used for elastically abutting against the first positioning pin so that the first positioning pin can be positioned in the first direction and the second direction respectively when abutting against the workpiece, and the second positioning piece is used for elastically abutting against the second positioning pin so that the second positioning pin can be positioned in the first direction when abutting against the workpiece. The positioning structure has high positioning precision and good universality.)

1. The utility model provides a location structure, includes support piece, first locating pin and second locating pin, its characterized in that: the first positioning pin comprises a first sliding rod part and a first positioning part which are connected, the first sliding rod part is arranged on the supporting part in a sliding mode along a first direction and a second direction respectively, an included angle between the first direction and the second direction is larger than 0 degree and smaller than 180 degrees, the second positioning pin comprises a second sliding rod part and a second positioning part which are connected, the second sliding rod part is arranged on the supporting part in a sliding mode along the first direction, the first positioning part and the second positioning part are of conical structures and protrude out of the supporting part respectively, the positioning structure further comprises a first positioning part and a second positioning part which are arranged on the supporting part respectively, the first positioning part is used for elastically abutting against the first positioning pin so that the first positioning pin is positioned in the first direction and the second direction respectively when abutting against a workpiece, and the second positioning part is used for elastically abutting against the second positioning pin so that the second positioning pin is positioned when abutting against the workpiece Positioned in the first direction.

2. The positioning structure according to claim 1, wherein: the first positioning piece comprises a guide shaft, a first elastic piece, a sliding shaft and a second elastic piece, the guide shaft is arranged on the supporting piece, the sliding shaft is arranged on the guide shaft in a sliding mode along a first direction, the first positioning pin is arranged on the sliding shaft in a sliding mode along a second direction, the first elastic piece is arranged on the guide shaft, two ends of the first elastic piece are respectively abutted to the sliding shaft and the supporting piece, the second elastic piece is arranged on the sliding shaft, and two ends of the second elastic piece are respectively abutted to the first positioning pin and the guide shaft.

3. The positioning structure according to claim 2, wherein: the first positioning piece further comprises a positioning piece, the positioning piece comprises a first stop piece arranged on the support piece, the first stop piece is provided with a first stop portion, the first stop portion is located on one side, away from the support piece, of the sliding shaft, the first stop portion is provided with a limiting hole, the first positioning pin can penetrate through the limiting hole, and the limiting hole can move along the second direction and is stopped by two opposite side walls in the second direction due to the limiting hole.

4. The positioning structure according to claim 3, wherein: the limiting hole penetrates through the first stop part and faces one side of the first positioning pin, the limiting part further comprises a second stop part, the second stop part is arranged on the first stop part, and the second stop part and one side wall of the limiting hole are located on two opposite sides of the first positioning pin and can stop the first positioning pin.

5. The positioning structure according to claim 2, wherein: the number of the guide shafts, the number of the first elastic pieces and the number of the second elastic pieces are two respectively, the two guide shafts are arranged at the supporting piece at intervals, the first elastic pieces are sleeved outside the guide shafts, two ends of the first elastic pieces are respectively abutted against the sliding shafts and the supporting piece so that the sliding shafts move towards the direction deviating from the supporting piece, the first positioning pin is positioned between the two guide shafts, the two second elastic pieces are respectively sleeved on the sliding shafts and positioned on two sides of the first positioning pin, and two ends of each second elastic piece are respectively abutted against the first positioning pin and the adjacent guide shaft.

6. The positioning structure according to claim 1, wherein: the second positioning part comprises a third elastic part and a sealing cover, the supporting part is provided with an accommodating hole, the second positioning pin is slidably arranged in the accommodating hole, the second positioning part is provided with a stop surface, the sealing cover is arranged on the supporting part and is attached to the stop surface, a via hole is formed in the sealing cover, the second positioning part is allowed to pass through the via hole, the third elastic part is accommodated in the accommodating hole, and one end of the third elastic part is abutted to the second positioning pin so that the second positioning pin faces away from the supporting part and moves in the direction of the supporting part.

7. The positioning structure according to claim 1, wherein: the positioning structure further comprises an adjusting piece, the adjusting piece comprises a base, at least one adjusting seat and at least one adjusting screw, the supporting piece is provided with an adjusting hole, the supporting piece penetrates through the adjusting hole through a fastener and is connected and fixed to the base, the adjusting hole allows the fastener to move in the adjusting hole, the adjusting seat is arranged on the base, the adjusting screw is in threaded connection with the adjusting seat, and one end of the adjusting screw abuts against the supporting piece.

8. The positioning structure according to claim 7, wherein: the adjusting piece further comprises a third positioning pin, the supporting piece is provided with a first positioning hole, the base is provided with a second positioning hole, and the third positioning pin penetrates through the first positioning hole and the second positioning hole respectively.

9. The positioning structure according to claim 7, wherein: the supporting piece or the adjusting piece is provided with a mounting hole, and the mounting hole is used for connecting a working platform.

10. The positioning structure according to claim 1, wherein: the axes of the first positioning pin and the second positioning pin are respectively parallel to the first direction, and the second direction is perpendicular to the first direction.

Technical Field

The invention relates to a positioning structure.

Background

The industrial production all needs location structure in equipment, the manufacturing process to be used for the location work piece, and location structure generally adopts two pins to insert two holes on the work piece respectively so that the work piece is fixed a position in the plane, but because of the hole of work piece has aperture tolerance when the supplied materials, leads to the clearance in pin and hole great, and can't guarantee that the central line in pin and hole is parallel, and then leads to positioning accuracy poor or inefficacy.

Disclosure of Invention

In view of the above circumstances, it is necessary to provide a positioning structure with high positioning accuracy.

A positioning structure comprises a supporting piece, a first positioning pin and a second positioning pin, wherein the first positioning pin comprises a first sliding rod part and a first positioning part which are connected, the first sliding rod part is arranged on the supporting piece in a sliding mode along a first direction and a second direction respectively, an included angle between the first direction and the second direction is larger than 0 degree and smaller than 180 degrees, the second positioning pin comprises a second sliding rod part and a second positioning part which are connected, the second sliding rod part is arranged on the supporting piece in a sliding mode along the first direction, the first positioning part and the second positioning part are of conical structures and protrude out of the supporting piece respectively, the positioning structure further comprises a first positioning piece and a second positioning piece which are arranged on the supporting piece respectively, and the first positioning piece is used for elastically abutting against the first positioning pin so that the first positioning pin can be positioned in the first direction and the second direction respectively when abutting against a workpiece, the second positioning piece is used for elastically abutting against the second positioning pin so that the second positioning pin is positioned in the first direction when abutting against the workpiece.

Furthermore, the first positioning element comprises a guide shaft, a first elastic element, a sliding shaft and a second elastic element, the guide shaft is arranged on the support element, the sliding shaft is slidably arranged on the guide shaft along a first direction, the first positioning pin is slidably arranged on the sliding shaft along a second direction, the first elastic element is arranged on the guide shaft, two ends of the first elastic element are respectively abutted against the sliding shaft and the support element, the second elastic element is arranged on the sliding shaft, and two ends of the second elastic element are respectively abutted against the first positioning pin and the guide shaft.

Furthermore, the first positioning element further comprises a limiting element, the limiting element comprises a first stop element arranged on the support element, the first stop element is provided with a first stop portion, the first stop portion is located on one side, away from the support element, of the sliding shaft, the first stop portion is provided with a limiting hole, the first positioning pin can penetrate through the limiting hole, and can move along the second direction in the limiting hole and be stopped by two opposite side walls of the limiting hole in the second direction.

Furthermore, the limiting hole penetrates through one side, facing the first positioning pin, of the first stop member, the limiting member further comprises a second stop member, the second stop member is arranged on the first stop member, and the second stop member and one side wall of the limiting hole are located on two opposite sides of the first positioning pin and can stop the first positioning pin.

Furthermore, the number of the guide shafts, the number of the first elastic pieces and the number of the second elastic pieces are two respectively, the two guide shafts are arranged at the supporting piece at intervals, the first elastic pieces are sleeved outside the guide shafts, two ends of the first elastic pieces are respectively abutted against the sliding shafts and the supporting piece so that the sliding shafts move towards the direction departing from the supporting piece, the first positioning pin is positioned between the two guide shafts, the two second elastic pieces are respectively sleeved on the sliding shafts and positioned at two sides of the first positioning pin, and two ends of each second elastic piece are respectively abutted against the first positioning pin and the adjacent guide shaft.

Further, the second locating element includes third elastic component and closing cap, support piece is equipped with the accepting hole, the second locating pin set up in with sliding in the accepting hole, second location portion is equipped with the backstop face, the closing cap set up in support piece and with the laminating of backstop face, the closing cap is equipped with the via hole, the via hole allows second location portion passes through, the third elastic component accept in the accepting hole, and its one end support hold in the second locating pin so that the second locating pin orientation deviates from support piece's direction removes.

Furthermore, the positioning structure further comprises an adjusting piece, the adjusting piece comprises a base, at least one adjusting seat and at least one adjusting screw, the supporting piece is provided with an adjusting hole, the supporting piece penetrates through the adjusting hole by a fastening piece to be connected and fixed to the base, the adjusting hole allows the fastening piece to move in the adjusting hole, the adjusting seat is arranged on the base, the adjusting screw is in threaded connection with the adjusting seat, and one end of the adjusting screw abuts against the supporting piece.

Furthermore, the adjusting part further comprises a third positioning pin, the supporting part is provided with a first positioning hole, the base is provided with a second positioning hole, and the third positioning pin is respectively arranged in the first positioning hole and the second positioning hole in a penetrating mode.

Further, the supporting piece or the adjusting piece is provided with a mounting hole, and the mounting hole is used for connecting a working platform.

Further, the axes of the first positioning pin and the second positioning pin are respectively parallel to the first direction, and the second direction is perpendicular to the first direction.

According to the positioning structure, the third elastic piece is used for elastically abutting against the second positioning pin to move along the first direction to enter one hole of the workpiece, the first elastic piece and the second elastic piece are respectively used for elastically abutting against the first positioning pin to enter the other hole of the workpiece along the first direction and the second direction, the conical peripheral surfaces of the first positioning part and the second positioning part are respectively abutted against the inner walls of the two holes, so that the two holes of the workpiece are self-adaptively positioned on the first positioning pin and the second positioning pin, the connecting line of the central lines of the two holes of the workpiece is parallel to the connecting line of the first positioning part and the second positioning part along the second direction, and the positioning precision is high. The positioning structure is simple in structure, convenient and fast to install and operate, capable of being used for different working platforms and high in universality.

Drawings

Fig. 1 is a schematic perspective view of a positioning structure according to an embodiment of the present invention.

Fig. 2 is an exploded perspective view of the positioning structure shown in fig. 1.

Fig. 3 is an exploded perspective view of the first positioning member and the first positioning pin shown in fig. 1.

Fig. 4 is a cross-sectional view of the positioning structure shown in fig. 1 taken along line IV-IV.

Description of the main elements

Positioning structure 100

Support 10

Storage tank 11

Receiving hole 13

Adjusting hole 15

First positioning hole 17

First alignment pin 20

First slide bar part 21

Slide hole 211

First positioning portion 23

Second positioning pin 30

Second slide bar part 31

Stop surface 311

Second positioning part 33

First positioning member 40

Guide shaft 41

Sliding shaft 42

Through hole 421

First elastic member 43

Second elastic member 44

Position limiting member 45

First stopper 451

First stopper 4511

Limiting hole 4513

Second stopper 453

Second positioning member 50

Third elastic member 51

Cover 53

Via 531

Plugging piece 55

Adjusting piece 60

Base 61

Second positioning hole 611

Mounting hole 613

Adjusting seat 63

Adjusting screw 65

Third positioning pin 67

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and fig. 2, an embodiment of the invention provides a positioning structure 100 for positioning a workpiece (not shown). The positioning structure 100 includes a support 10, a first positioning pin 20, a second positioning pin 30, a first positioning member 40, and a second positioning member 50. The first positioning pin 20 includes a first slide rod portion 21 and a first positioning portion 23 connected to each other. The first slide bar portion 21 is slidably disposed on the support 10 along a first direction X and a second direction Y, respectively. The included angle between the first direction X and the second direction Y is greater than 0 ° and less than 180 °, in an embodiment, the first direction X is a vertical direction, and the second direction Y is a horizontal direction, but is not limited thereto. The second positioning pin 30 includes a second slide rod portion 31 and a second positioning portion 33 which are connected. The second slide bar portion 31 is slidably disposed on the support 10 along the first direction X. The first positioning portion 23 and the second positioning portion 33 are tapered structures and respectively protrude out of the supporting member 10. The first positioning member 40 is disposed on the supporting member 10. The first positioning element 40 is used for elastically abutting against the first positioning pin 20, so that the first positioning pin 20 is positioned in the first direction X and the second direction Y when abutting against the workpiece. The second positioning element 50 is disposed on the supporting element 10. The second positioning element 50 is used for elastically abutting against the second positioning pin 30, so that the second positioning pin 30 is positioned in the first direction X when abutting against the workpiece.

It is understood that the first direction X and/or the second direction Y may also be a direction inclined at an angle to the horizontal direction or the vertical direction.

Referring to fig. 2 and 3, the first positioning element 40 includes a guide shaft 41, a sliding shaft 42, a first elastic element 43, and a second elastic element 44. In an embodiment, the number of the guide shaft 41, the first elastic member 43 and the second elastic member 44 is two, but not limited thereto. The support member 10 is provided with a receiving groove 11. The two guide shafts 41 are disposed at an interval in the accommodating groove 11. The slide shaft 42 is slidably disposed on the guide shaft 41 in the first direction X. Specifically, the slide shaft 42 is provided with two through holes 421. The guide shafts 41 are slidably inserted through the corresponding through holes 421. The first elastic element 43 is sleeved outside the guide shaft 41. Two ends of the first elastic element 43 respectively abut against the sliding shaft 42 and the groove walls of the accommodating groove 11, so that the sliding shaft 42 moves in a direction away from the supporting element 10. The first positioning pin 20 is slidably disposed on the sliding shaft 42 along the second direction Y. Specifically, the first positioning pin 20 is provided with a slide hole 211. The first positioning pin 20 is sleeved outside the sliding shaft 42 by the sliding hole 211 to slide along the second direction Y on the sliding shaft 42. The first positioning pin 20 is located between the two guide shafts 41. In an embodiment, the two first elastic members 43 are the same, but not limited thereto.

Referring to fig. 2 and fig. 3, the second elastic element 44 is disposed on the sliding shaft 42. One end of the second elastic element 44 is used for abutting against the first positioning pin 20 so as to be positioned in the second direction Y when abutting against the workpiece. Specifically, the two second elastic members 44 are respectively sleeved on the sliding shaft 42 and located at two sides of the first positioning pin 20. Two ends of each second elastic element 44 respectively abut against the first positioning pin 20 and the adjacent guide shaft 41. In an embodiment, the two second elastic members 44 are the same, but not limited thereto.

It is understood that, in other embodiments, both ends of the second elastic element 44 may also respectively abut against a boss (not shown) disposed on the first positioning pin 20 and the sliding shaft 42.

It is understood that in other embodiments, the number of the guide shaft 41, the first elastic member 43 and the second elastic member 44 may be one or other numbers respectively.

Referring to fig. 2 and fig. 3, the first positioning element 40 further includes a limiting element 45. The stopper 45 includes a first stopper 451 and a second stopper 453. The first stopper 451 is disposed in the storage groove 11. The second stopper 453 is provided to the first stopper 451. The first stopper 451 is used for limiting the displacement of the first positioning pin 20 in the second direction Y and for limiting the displacement of the sliding shaft 42 in the first direction X. The second stopper 453 and the first stopper 451 are disposed on both sides of the first positioning pin 20, and are used for stopping the first positioning pin 20 to limit the displacement of the first positioning pin 20 in the third direction Z. The third direction Z is perpendicular to the first direction X and the second direction Y, respectively.

The first stopper 451 is provided with a first stopper 4511. The first blocking portion 4511 is located on a side of the sliding shaft 42 facing away from the support 10. The first stopper 4511 is provided with a limiting hole 4513. The first positioning pin 20 can pass through the position-limiting hole 4513, and can move in the position-limiting hole 4513 along the second direction Y and be stopped by two side walls of the position-limiting hole 4513 opposite to each other in the second direction Y. The stopper hole 4513 penetrates the first stopper 451 toward one side of the first positioning pin 20. The second stopper 453 and a sidewall of the stopper hole 4513 are located at opposite sides of the first positioning pin 20, and can stop the first positioning pin 20, so that the first positioning pin 20 can be positioned in the third direction Z.

It is understood that, in other embodiments, the second stopper 453 may be omitted, and other structures may be used to limit the movement of the first positioning pin 20 in the third direction Z, as long as the first positioning pin 20 is moved only in the first direction X and the second direction Y, respectively. For example, the position-limiting hole 4513 may not penetrate through the first stopper 451, and a pair of two side walls of the position-limiting hole 4513, which are disposed opposite to each other, may be disposed on both sides of the first positioning pin 20 and may stop the first positioning pin 20 to be positioned in the third direction Z; the other pair of opposite sidewalls of the position-limiting hole 4513 is disposed on the other two sides of the first positioning pin 20, and is capable of allowing the first positioning pin 20 to move a set distance in the second direction Y.

Referring to fig. 2 and fig. 4, the second positioning element 50 includes a third elastic element 51, a cover 53 and a blocking element 55. The support member 10 is provided with a receiving hole 13 penetrating along the first direction X, but is not limited thereto. The blocking piece 55 is disposed at one end of the receiving hole 13, and the second positioning pin 30 is slidably disposed in the receiving hole 13 by entering from the other end of the receiving hole 13. The cover 53 is disposed on the support 10. The cover 53 is provided with a via 531. The via hole 531 allows the second positioning portion 33 to pass therethrough. The second positioning portion 33 is provided with a stopper surface 311. The stop surface 311 is located on a side of the cover 53 facing the blocking piece 55, so that the second positioning pin 30 is stopped by the cover 53 when moving along the second direction Y. The third elastic member 51 is accommodated in the accommodating hole 13, and two ends of the third elastic member respectively abut against the plugging member 55 and the second positioning pin 30, so that the second positioning pin 30 moves towards a side departing from the plugging member 55 along the second direction Y.

It is understood that in other embodiments, the closure 55 may be omitted. The receiving hole 13 may be formed through the support member 10 at one side. The third elastic element 51 and the second slide bar part 31 sequentially enter the accommodating hole 13, and the cover 53 is covered on the support 10.

In an embodiment, the axes of the first positioning pin 20 and the second positioning pin 30 are parallel to the first direction X, respectively, but not limited thereto.

It is understood that, in other embodiments, the second positioning pin 30 can also move along the second direction Y, and correspondingly, the second positioning element 50 can also be used for abutting against the second positioning pin 30 and positioning in the first direction X and the second direction Y when abutting against the workpiece.

In operation, the positioning structure 100 is capable of adaptively inserting the first positioning pin 20 and the second positioning pin 30 into two holes of the workpiece according to a distance tolerance between the two holes for positioning on the workpiece and a size tolerance of the holes themselves. Specifically, the third elastic element 51 abuts against the second positioning pin 30 to move along the first direction X, so that the second positioning pin 30 is elastically inserted into one hole of the workpiece; due to the influence of the tolerance of the workpiece, the first elastic member 43 and the second elastic member 44 respectively abut against the first positioning pin 20 to move along the first direction X and the second direction Y, so that the first positioning pin 20 can enter into another hole of the workpiece, and the tapered peripheral surfaces of the first positioning portion 23 and the second positioning portion 33 of the tapered structure respectively abut against the inner walls of the two holes of the workpiece, so that the workpiece is positioned.

Referring to fig. 2 and 4, the positioning structure 100 further includes an adjusting member 60. The adjusting member 60 includes a base 61, at least one adjusting seat 63, and at least one adjusting screw 65. The supporting member 10 is provided with adjusting holes 15, and in one embodiment, the number of the adjusting holes 15 is two, but not limited thereto. The supporting member 10 is fixedly connected to the base by a fastening member through the adjusting hole 15. The adjustment aperture 15 allows the fastener to move therein. The adjusting seat 63 is disposed on the base 61. The adjusting screw 65 is screwed to the adjusting seat 63, and one end of the adjusting screw abuts against the supporting member 10. The adjusting screw 65 is screwed to change the position of the supporting member 10 relative to the base 61, and the fastening member is connected to the base 61 after the position adjustment is determined.

In one embodiment, the adjusting member 60 further includes a third positioning pin 67. The supporting member 10 is provided with a first positioning hole 17, and the base 61 is provided with a second positioning hole 611. The third positioning pin 67 is respectively inserted into the first positioning hole 17 and the second positioning hole 611, and is located between the first positioning pin 20 and the second positioning pin 30. The number of the adjusting seats 63 and the number of the adjusting screws 65 are four, respectively, but not limited thereto. Two of the adjusting seats 63 are disposed on one side of the base 61, and the other two of the adjusting seats 63 are disposed on the other side of the base 61. The third positioning pin 67 is located between at least two of the adjusting seats 63.

It is understood that the third positioning pin 67 may be omitted, and the adjusting seat 63 and the adjusting screw 65 may be omitted.

It is understood that the number of the adjusting seats 63 and the number of the adjusting screws 65 may be two.

In one embodiment, the base 61 is provided with a mounting hole 613. The mounting hole 613 is used for connecting a working platform. It will be appreciated that in other embodiments, mounting holes for attaching a work platform may be provided on the support member 10.

The positioning structure 100 elastically supports the second positioning pin 30 by using the third elastic member 51 to move along the first direction X into one hole of the workpiece, and elastically supports the first positioning pin 20 by using the first elastic member 43 and the second elastic member 44 respectively to enter into another hole of the workpiece along the first direction X and the second direction Y, the tapered peripheral surfaces of the first positioning portion 23 and the second positioning portion 33 respectively support against the inner walls of the two holes, so that the two holes of the workpiece are adaptively positioned on the first positioning pin 20 and the second positioning pin 30, the connecting line of the central lines of the two holes of the workpiece is parallel to the connecting line of the first positioning portion 23 and the second positioning portion 33 along the second direction Y, and the positioning accuracy is high. The positioning structure 100 is simple in structure, convenient and fast to install and operate, capable of being used for different working platforms and high in universality.

In addition, other modifications within the spirit of the invention may occur to those skilled in the art, and such modifications are, of course, included within the scope of the invention as claimed.