阅读说明：本技术 一种可逆性kbo控制与保护开关 (Reversible KBO control and protection switch ) 是由 宋美丽 刘大伟 于 2021-07-30 设计创作，主要内容包括：本发明公开了一种可逆性KBO控制与保护开关,包括控制保护开关和接线块,所述控制保护开关的外壁两侧均固接有接线块,所述接线块的后部两侧均加工有安装孔,所述接线块的上方内部安装有次接线片,所述次接线片与线缆电性相连,所述控制保护开关的前侧安装有开关组件,所述接线块的下方安装有调整组件。该可逆性KBO控制与保护开关,通过螺纹杆、滑块、支杆、横杆、转轴、活动槽块和次接线片之间的配合,驱动螺纹杆进行转动,使螺纹杆可驱动滑块和支杆带动横杆向后移动,通过固定槽块和活动槽块可限制线缆在使用中的位置,避免了现有控制保护开关在完成接线后没有限位导致多个线缆容易搅在一起的问题。(The invention discloses a reversible KBO control and protection switch which comprises a control protection switch and a wiring block, wherein the wiring block is fixedly connected to two sides of the outer wall of the control protection switch, mounting holes are formed in two sides of the rear part of the wiring block, a secondary wiring sheet is arranged inside the wiring block and electrically connected with a cable, a switch assembly is arranged on the front side of the control protection switch, and an adjusting assembly is arranged below the wiring block. This reversibility KBO control and protection switch, through threaded rod, slider, branch, horizontal pole, pivot, activity groove piece and the cooperation between the time lug, the drive threaded rod rotates, makes the threaded rod can drive slider and branch and drive the horizontal pole rearward movement, can restrict the position of cable in use through fixed groove piece and activity groove piece, has avoided current control protection switch to have not spacing the problem that leads to a plurality of cables to stir together easily after accomplishing the wiring.)

1. The utility model provides a reversible KBO control and protection switch, includes control protection switch (1) and junction block (5), the equal rigid coupling in outer wall both sides of control protection switch (1) has junction block (5), its characterized in that: mounting holes (7) are machined in the two sides of the rear portion of the wiring block (5), screws (6) are mounted inside the mounting holes (7), the support plate assembly (2) is mounted above the wiring block (5), a rotating shaft (12) is connected with the support plate assembly (2) in an internal rotating mode, movable groove blocks (10) are fixedly connected to the two sides of the outer wall of the rotating shaft (12), cables (11) are inserted into the movable groove blocks (10), fixed groove blocks (14) are sleeved below the outer wall of each cable (11), secondary wiring pieces (13) are mounted inside the upper portion of the wiring block (5), the secondary wiring pieces (13) are electrically connected with the cables (11), a switch assembly (3) is mounted on the front side of the control protection switch (1), and an adjusting assembly (4) is mounted below the wiring block (5).

2. The reversible KBO control and protection switch of claim 1, characterized in that: the baffle plate assembly (2) comprises a central baffle plate (201), an inner baffle plate (202), an outer baffle plate (203), bolts (204) and a backing plate (205);

center baffle (201) are located the top center of splice block (5) respectively, the inside and outside both sides of outer wall of center baffle (201) are provided with interior baffle (202) and outer baffle (203) respectively, the inboard inner wall below of interior baffle (202) and outer baffle (203) is fixed continuous with center baffle (201) through a plurality of fixed slot pieces (14), the inside of center baffle (201), interior baffle (202) and outer baffle (203) is passed through the bearing and is rotated continuous with a plurality of pivot (12), the outside outer wall both ends of outer baffle (203) all are provided with backing plate (205), the both sides of backing plate (205) all the screw thread link to each other bolt (204).

3. The reversible KBO control and protection switch of claim 1, characterized in that: the central baffles (201), the inner baffles (202) and the outer baffles (203) are arranged in parallel in the same direction, and the shapes and the sizes of the central baffles (201), the inner baffles (202) and the outer baffles (203) are consistent.

4. The reversible KBO control and protection switch of claim 1, characterized in that: the switch assembly (3) comprises a main lug plate (301), a through hole (302), a knob (303), a display screen (304), an indicator light (305) and a button (306);

the front end below at control protection switch (1) is installed in display screen (304), the front end center at control protection switch (1) is installed in knob (303), a plurality of pilot lamps (305) are installed to the below of display screen (304), and are a plurality of button (306) are all installed in front end lower part one side of control protection switch (1), and are a plurality of main lug (301) are processed respectively inside the upper end front side both ends of control protection switch (1), the front end processing of main lug (301) has through-hole (302).

5. The reversible KBO control and protection switch of claim 1, characterized in that: the inside processing in the outer wall outside top of activity groove block (10) has spout (9), the inside of spout (9) is provided with horizontal pole (8), horizontal pole (8) slide with spout (9) and link to each other, and is a plurality of horizontal pole (8) all slide with outer baffle (203) and link to each other, the position and the horizontal direction of fixed groove block (14) are 60 contained angles and install.

6. The reversible KBO control and protection switch of claim 1, characterized in that: the adjusting assembly (4) comprises a bottom block (401), a support rod (402), a top plate (403), a sliding block (404), a bottom plate (405), a threaded rod (406) and a groove (407);

a plurality of bottom blocks (401) are all fixedly connected at the lower end of the outer side of the junction block (5), both sides of the inner wall of the bottom block (401) are rotationally connected with a threaded rod (406) through bearings, a plurality of sliding blocks (404) are uniformly distributed on the outer wall of the threaded rod (406) at equal intervals, the sliding blocks (404) are correspondingly distributed at the relative positions of the movable groove blocks (10), the inner walls of the sliding blocks (404) are in threaded connection with the threaded rod (406), the sliding block (404) is connected with the bottom block (401) in a sliding way, the support rods (402) are respectively positioned at the outer side of the outer wall of the junction block (5), the tail ends of the two sides of the supporting rod (402) are respectively fixedly connected with a top plate (403) and a bottom plate (405), the inner sides of the bottom plates (405) are fixedly connected with the sliding blocks (404) through connecting rods, the inner wall of the upper end of the top plate (403) is fixedly connected with the cross rod (8), and the inner wall of the left side of the threaded rod (406) is provided with a groove (407).

7. The reversible KBO control and protection switch of claim 6, wherein: the vertical center positions of the sliding block (404), the supporting rod (402) and the movable groove block (410) are consistent, and the groove (407) is an inner hexagonal groove.

Technical Field

The invention relates to the technical field of control, in particular to a reversible KBO control and protection switch.

Background

The control and protection switch product adopts a modularized single product structure type, integrates the main functions of a traditional circuit breaker (fuse), a contactor, an overload (or overcurrent and open-phase) protection relay, a starter, an isolator and the like, is mainly used for connecting, bearing and breaking a circuit under normal conditions (including specified overload conditions) in an electric power system with the alternating current of 50Hz (60Hz), the rated voltage of 690V, the rated current of 0.8A to 630A and the adjustable working current of 0.8A to 630A, and can connect, bear and break the circuit under specified abnormal conditions (such as short circuit).

But there is system protection switch in prior art and does not have spacing problem that leads to a plurality of cables to stir together easily after accomplishing the wiring, the problem on specific inclination's connection piece is not convenient for install to the cable, the cable in the use its problem that becomes flexible easily with the lug junction and the problem that can't carry out synchro control when carrying out the bending of cable spacing.

Disclosure of Invention

The invention aims to provide a reversible KBO control and protection switch, which solves the problem that a plurality of cables are easy to be stirred together due to no limit after wiring is finished, which is proposed in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a reversibility KBO control and protection switch, includes control protection switch and wiring block, the equal rigid coupling in control protection switch's outer wall both sides has the wiring block, the mounting hole has all been processed to the rear portion both sides of wiring block, the internally mounted of mounting hole has the screw, extension board subassembly is installed to the top of wiring block, the inside rotation in top of extension board subassembly links to each other there is the pivot, the equal rigid coupling in outer wall both sides of pivot has movable groove block, the inside grafting of activity groove block has the cable, the outer wall below of cable has cup jointed fixed groove block, the top internally mounted of wiring block has inferior lug, inferior lug links to each other with the cable electrical property, switch module is installed to control protection switch's front side, the adjustment subassembly is installed to the below of wiring block.

Preferably, the baffle plate assembly comprises a central baffle plate, an inner baffle plate, an outer baffle plate, a bolt and a base plate;

the utility model discloses a terminal block, including central baffle, inner baffle, outer baffle, bearing and a plurality of pivot rotation, the top center that central baffle is located the terminal block respectively, both sides are provided with interior baffle and outer baffle respectively inside and outside the outer wall of central baffle, the inboard inner wall below of interior baffle and outer baffle is fixed continuous with central baffle through a plurality of fixed slot pieces, the inside of central baffle, interior baffle and outer baffle is passed through the bearing and is rotated continuously, the outside outer wall both ends of outer baffle all are provided with the backing plate, the equal screw thread in both sides of backing plate links to each other there is the bolt.

Preferably, the central baffles, the inner baffles and the outer baffles are arranged in parallel in the same direction, and the shapes and the sizes of the central baffles, the inner baffles and the outer baffles are consistent.

Preferably, the switch assembly comprises a main lug plate, a through hole, a knob, a display screen, an indicator light and a button;

the display screen is installed in control protection switch's front end below, the knob is installed at control protection switch's front end center, a plurality of pilot lamps are installed to the below of display screen, and is a plurality of the button is all installed in control protection switch's front end lower part one side, and is a plurality of main lug is processed respectively inside control protection switch's upper end front side both ends, the front end processing of main lug has the through-hole.

Preferably, the inside processing in the outer wall outside top of activity groove block has the spout, the inside of spout is provided with the horizontal pole, the horizontal pole slides with the spout and links to each other, and is a plurality of the horizontal pole all slides with outer baffle and links to each other, the position and the horizontal direction of fixed groove block are 60 contained angles installation.

Preferably, the adjusting component comprises a bottom block, a support rod, a top plate, a sliding block, a bottom plate, a threaded rod and a groove;

it is a plurality of the equal rigid coupling of bottom block is at the outer wall outside lower extreme of splice block, the inner wall both sides of bottom block all rotate with the threaded rod through the bearing and link to each other, the outer wall equidistance evenly distributed of threaded rod has a plurality of sliders, the slider corresponds the distribution with the relative position of activity groove piece, and is a plurality of the inner wall of slider all links to each other with the threaded rod screw thread, and the slider all slides with the bottom block and links to each other, and is a plurality of branch is located the outer wall outside of splice block respectively, the both sides end rigid coupling respectively of branch has roof and bottom plate, the bottom plate inboard all links to each other with the slider is fixed through the connecting rod, the upper end inner wall of roof links to each other with the horizontal pole is fixed, the left side inner wall processing of threaded rod is fluted.

Preferably, the vertical center positions of the sliding block, the supporting rod and the movable groove block are consistent, and the groove is an inner hexagonal groove.

Compared with the prior art, the invention has the beneficial effects that: the reversible KBO control and protection switch:

the threaded rod is driven to rotate through the matching between the threaded rod, the sliding block, the supporting rod, the transverse rod, the rotating shaft, the movable groove block and the secondary lug, so that the threaded rod can drive the sliding block and the supporting rod to drive the transverse rod to move backwards, the transverse rod drives the movable groove block to rotate around the rotating shaft, the movable groove block is rotated to the position with the same inclination angle as the fixed groove block, then a user can connect an external circuit with the secondary lug through a cable, the position of the cable in use can be limited through the fixed groove block and the movable groove block, and the problem that a plurality of cables are easily stirred together due to the fact that the existing control protection switch is not limited after wiring is completed is solved;

through the matching among the cable, the threaded rod, the sliding block, the transverse rod and the movable groove block, after the cable is installed, a user can drive the threaded rod to rotate reversely again, so that the threaded rod drives the sliding block and the transverse rod to move leftwards, and the movable groove block rotates the rod again to restore the vertical state, so that the cable is bent into a shape that the lower part of the cable is bent by 30 degrees and the upper part of the cable is vertical, a secondary lug in an inclined state can save space, and the problem that the cable is not convenient to install on a connecting sheet with a specific inclination angle is avoided through the rotatability of the movable groove block;

through the matching among the cable, the movable groove block and the fixed groove block, after the cable is installed, the cable is divided into two parts which are bent at 30 degrees below and 90 degrees above, so that certain resistance can be applied to the bent position of the cable under the condition that the cable is pulled upwards by external force in the using process, and the problem that the joint of the cable and a lug is easy to loosen in the using process is avoided;

through the cooperation between slider, threaded rod, cable, horizontal pole and the activity groove piece, because a plurality of sliders are all installed at the outer wall of threaded rod, but a plurality of sliders synchronous motion when making the threaded rod pivoted, and because slider, branch, horizontal pole and activity groove piece all are in equidistance synchronous distribution, consequently as long as rotate the threaded rod, but all horizontal poles synchronous rotation and then make the activity groove piece carry out angle adjustment in step, avoided carrying out the problem that can't carry out synchro control when the bending of cable is spacing.

Drawings

FIG. 1 is a schematic view of the external structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a partial schematic view of the present invention;

FIG. 4 is a schematic front view of the present invention;

FIG. 5 is a schematic diagram of the right view structure of the present invention;

fig. 6 is a partial structural diagram of fig. 5.

In the figure: 1. the protective switch comprises a control protective switch, 2, a baffle assembly, 201, a central baffle, 202, an inner baffle, 203, an outer baffle, 204, a bolt, 205, a backing plate, 3, a switch assembly, 301, a main lug, 302, a through hole, 303, a knob, 304, a display screen, 305, an indicator light, 306, a button, 4, an adjusting assembly, 401, a bottom plate, 402, a support rod, 403, a top plate, 404, a sliding block, 405, a bottom block, 406, a threaded rod, 407, a groove, 5, a junction block, 6, a screw, 7, a mounting hole, 8, a cross rod, 9, a sliding groove, 10, a movable groove block, 11, a cable, 12, a rotating shaft, 13, a secondary lug, 14 and a fixed groove block.

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.

Referring to fig. 1-6, the present invention provides a technical solution: a reversible KBO control and protection switch comprises a control protection switch 1 and a wiring block 5, wherein both sides of the outer wall of the control protection switch 1 are fixedly connected with the wiring block 5, both sides of the rear part of the wiring block 5 are respectively processed with a mounting hole 7, screws 6 are arranged in the mounting holes 7, the wiring block 5 and the control protection switch 1 are mounted by screwing the screws 6 at the mounting holes 7, a support plate component 2 is arranged above the wiring block 5, the upper part of the support plate component 2 is rotatably connected with a rotating shaft 12, both sides of the outer wall of the rotating shaft 12 are respectively fixedly connected with a movable groove block 10, a cable 11 is inserted in the movable groove block 10, a fixed groove block 14 is sleeved below the outer wall of the cable 11, the position of the cable 11 can be limited by the movable groove block 10 and the fixed groove block 14, a secondary wiring sheet 13 is arranged inside the upper part of the wiring block 5, the secondary wiring sheet 13 is electrically connected with the cable 11, a switch component 3 is arranged on the front side of the control protection switch 1, an adjusting component 4 is arranged below the junction block 5;

through threaded rod 401, slider 404, branch 402, horizontal pole 8, pivot 12, the cooperation between activity groove block 10 and the inferior lug 13, drive threaded rod 401 rotates, make threaded rod 401 can drive slider 404 and branch 402 and drive horizontal pole 8 backward, make horizontal pole 8 order about activity groove block 10 and rotate around pivot 12, make activity groove block 10 rotate to the position with fixed groove block 14 the same inclination, then the user can be connected external circuit through cable 11 and inferior lug 13 department, can restrict cable 11 position in use through fixed groove block 14 and activity groove block 10, avoided current control protection switch to have not spacing the problem that leads to a plurality of cables 11 to stir together easily after accomplishing the wiring.

The baffle plate assembly 2 comprises a central baffle plate 201, an inner baffle plate 202, an outer baffle plate 203, bolts 204 and backing plates 205, wherein the central baffle plate 201 is respectively positioned at the center of the upper part of the junction block 5, the inner baffle plate 202 and the outer baffle plate 203 are respectively arranged at the inner side and the outer side of the outer wall of the central baffle plate 201, the lower parts of the inner side inner walls of the inner baffle plate 202 and the outer baffle plate 203 are fixedly connected with the central baffle plate 201 through a plurality of fixing groove blocks 14, the central baffle plate 201, the inner baffle plate 202 and the outer baffle plate 203 are fixed at the integral position through the fixing groove blocks 14, the interiors of the central baffle plate 201, the inner baffle plate 202 and the outer baffle plate 203 are rotatably connected with a plurality of rotating shafts 12 through bearings, the backing plates 205 are respectively arranged at the two ends of the outer side wall of the outer baffle plate 203, the bolts 204 are connected at the two sides of the backing plates 205 through threads, the plurality of the central baffle plates 201, the inner baffle plate 202 and the outer baffle plate 203 are arranged in parallel in the same direction, the corresponding positions, the bolts 204 are screwed to realize that the outer baffle plate 203 is arranged at the position of the junction block 5, the shape and the size of the central baffle 201, the inner baffle 202 and the outer baffle 203 are consistent;

through cable 11, threaded rod 401, slider 404, the cooperation between horizontal pole 8 and the activity groove block 10, after the installation of accomplishing cable 11, the user can drive threaded rod 401 again and reverse, make threaded rod 401 order about slider 404 and horizontal pole 8 and remove left, make activity groove block 10 carry out the dwang once more and resume vertical state, just so make cable 11 buckle into the lower part and buckle the vertical shape in 30 upper portions, the space can be practiced thrift more to tilt state's inferior lug 13, the problem of having avoided cable 11 not to be convenient for to install on specific inclination's connection piece through the rotatability of activity groove block 10.

The switch assembly 3 includes a main lug 301, a through hole 302, a knob 303, the display screen 304, the indicator lights 305 and the buttons 306, the display screen 304 is installed below the front end of the control protection switch 1, the knob 303 is installed at the center of the front end of the control protection switch 1, the indicator lights 305 are installed below the display screen 304, the buttons 306 are all installed on one side of the lower portion of the front end of the control protection switch 1, the indicator lights 305 can observe the use state, the display screen 304 can be used for displaying specific data, the main lugs 301 are respectively processed inside two ends of the front side of the upper end of the control protection switch 1, the front ends of the main lugs 301 are processed with through holes 302, a sliding groove 9 is processed inside the upper portion of the outer side of the outer wall of the movable groove block 10, a cross bar 8 is arranged inside the sliding groove 9, the cross bar 8 is connected with the sliding groove 9 in a sliding manner, the cross bars 8 are connected with the outer baffle 203 in a sliding manner, and the position of the fixed groove block 14 forms an included angle of 60 degrees with the horizontal direction;

through the matching among the cable 11, the movable groove block 10 and the fixed groove block 14, after the installation of the cable 11 is completed, the cable 11 is divided into two parts which are bent at 30 degrees below and 90 degrees above, so that certain resistance can be applied to the bent position of the cable 11 under the condition that the cable 11 is pulled upwards by external force in the using process, and the problem that the joint of the cable 11 and a lug is easy to loosen in the using process is avoided;

through slider 404, threaded rod 406, cable 1, the cooperation between horizontal pole 8 and the activity groove piece 10, because a plurality of sliders 404 all install the outer wall at threaded rod 406, but a plurality of sliders 404 synchronous motion when making threaded rod 406 pivoted, and because slider 404, branch 402, horizontal pole 8 and activity groove piece 10 all are in equidistance synchronous distribution, consequently as long as rotate threaded rod 406, but all horizontal poles 8 synchronous rotation and then make activity groove piece 10 carry out angular adjustment in step, the problem of can't carrying out synchro control when carrying out the bending limit of cable 11 has been avoided.

The adjusting component 4 comprises a bottom block 401, a support rod 402, a top plate 403, a sliding block 404, a bottom plate 405, a threaded rod 406 and a groove 407, wherein a plurality of bottom blocks 401 are fixedly connected to the lower end of the outer wall of the junction block 5, two sides of the inner wall of each bottom block 401 are rotatably connected with the threaded rod 406 through bearings, a plurality of sliding blocks 404 are uniformly distributed on the outer wall of the threaded rod 406 at equal intervals, the sliding blocks 404 can be driven to move by the rotation of the threaded rod 406, the sliding blocks 404 are correspondingly distributed with the movable groove block 10, the inner walls of the plurality of sliding blocks 404 are connected with the threaded rod 406 in a threaded manner, the sliding blocks 404 are slidably connected with the bottom blocks 401, a plurality of support rods 402 are respectively positioned on the outer wall of the junction block 5, the top plate 403 and the bottom plate 405 are respectively fixedly connected to the tail ends of two sides of the support rods 402, the inner sides of the bottom plate 405 are fixedly connected with the sliding blocks 404 through the connecting rods, the inner wall of the upper ends of the top plate 403 is fixedly connected with the cross rod 8, the groove 407 is processed on the left inner wall of the threaded rod 406, the threaded rod 406 can be driven to rotate by inserting a clamping block with a corresponding shape into the concave groove 407 of the threaded rod 406, the vertical center positions of the sliding block 404, the supporting rod 402 and the movable groove block 410 are consistent, and the concave groove 407 is an inner hexagonal concave groove.

When the reversible KBO control and protection switch is required to be used, firstly, a user can insert a clamping block with a corresponding shape into the groove 407 and drive the threaded rod 401 to rotate, so that the threaded rod 401 can drive the sliding block 404 and the supporting rod 402 to drive the cross rod 8 to move backwards, the cross rod 8 drives the movable groove block 10 to rotate around the rotating shaft 12, the movable groove block 10 is rotated to the position with the same inclination angle as the fixed groove block 14, then, the user can connect an external circuit with the secondary wiring piece 13 through the cable 11, the position of the cable 11 in use can be limited through the fixed groove block 14 and the movable groove block 10, the problem that a plurality of cables 11 are easy to be stirred together due to the fact that no limit exists after wiring of the existing control protection switch is completed is solved, after the cable 11 is installed, the user can drive the threaded rod 401 to rotate backwards again, so that the threaded rod 401 drives the sliding block 404 and the cross rod 8 to move leftwards, the movable groove block 10 is rotated again to restore the vertical state, so that the cable 11 is bent into a shape that the lower part is bent by 30 degrees and the upper part is vertical, the secondary lug 13 in the inclined state can save more space, the problem that the cable 11 is not convenient to be installed on a connecting sheet with a specific inclination angle is avoided through the rotatability of the movable groove block 10, and the cable 11 is divided into two parts that are bent by 30 degrees and 90 degrees above the lower part after being installed, so that certain resistance can be applied to the bending position of the cable 11 under the condition that the cable 11 is pulled upwards by external force in the using process, the problem that the connection part of the cable 11 and the lug is easy to loosen in the using process is avoided, and the plurality of sliders 404 are all installed on the outer wall of the threaded rod 406, so that the plurality of sliders 404 can synchronously move while the threaded rod 406 rotates, and because the sliders 404, the supporting rod 402, the cross rod 8 and the movable groove block 10 are all in equidistant and synchronous distribution, therefore, as long as the threaded rod 406 is rotated, all the cross rods 8 can synchronously rotate, so that the movable groove blocks 10 can synchronously adjust the angle, and the problem that the cable 11 cannot be synchronously controlled during bending limit is avoided.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.