阅读说明：本技术 一种市政用多功能展示架 (Municipal administration is with multi-functional show shelf ) 是由 甘燕 于 2021-08-19 设计创作，主要内容包括：本发明涉及一种展示架,尤其涉及一种市政用多功能展示架。要解决的技术问题：提供一种能够便于人们清洗和自动更换浏览页面的市政用多功能展示架。技术方案：一种市政用多功能展示架,包括有支撑架、展示箱、玻璃板、第一支架、第一传动轴和第一环状楔形块,支撑架上设有展示箱,展示箱一侧设有可拆卸的玻璃板,展示箱下部两侧均连接有第一支架,第一支架上部之间和展示箱上部均转动式连接有第一传动轴,下侧的第一传动轴两侧均设有第一环状楔形块。通过装载机构和传动机构之间的配合,可以实现对宣传纸进行固定,同时可以根据人们的浏览速度,对浏览页面进行自动更换。(The invention relates to a display stand, in particular to a multifunctional display stand for municipal administration. The technical problem to be solved is as follows: the multifunctional display stand for municipal administration is convenient for people to clean and automatically replace and browse pages. The technical scheme is as follows: the utility model provides a municipal administration is with multi-functional show shelf, is equipped with the show case including support frame, show case, glass board, first support, first transmission shaft and first cyclic annular wedge on the support frame, show case one side is equipped with detachable glass board, and show case lower part both sides all are connected with first support, are connected with first transmission shaft with the equal rotary type in show case upper portion between the first support upper portion, and first transmission shaft both sides of downside all are equipped with first cyclic annular wedge. Through the cooperation between loading mechanism and the drive mechanism, can realize fixing the publicity paper, can carry out automatic the change to browsing the page according to people's browsing speed simultaneously.)

1. A multifunctional display stand for municipal administration is characterized by comprising a support frame (1), a display box (2), a glass plate (3) and a first bracket (4), first transmission shaft (5), first cyclic annular wedge (6), conveyer belt (7), loading mechanism (8) and drive mechanism (9), be equipped with show case (2) on support frame (1), show case (2) one side is equipped with glass board (3), lower part both sides all are connected with first support (4) in show case (2), be connected with first transmission shaft (5) with show case (2) upper portion equal rotary type between first support (4), first transmission shaft (5) both sides of downside all are equipped with first cyclic annular wedge (6), both sides all around conveyer belt (7) between first transmission shaft (5), be connected with loading mechanism (8) between conveyer belt (7), be equipped with drive mechanism (9) between show case (2) and first support (4).

2. The multi-functional municipal display stand according to claim 1, wherein the loading mechanism (8) comprises a jamming rod (81), a pressing block (82), a rotating plate (83) and a first torsion spring (84), the jamming rod (81) is arranged on four sides between the conveyor belts (7), the pressing block (82) is rotatably connected to two sides of the jamming rod (81), the rotating plate (83) is arranged on the outer side of the pressing block (82), and the first torsion spring (84) is arranged between the inner side of the pressing block (82) and the jamming rod (81).

3. A multi-functional municipal display stand according to claim 2, wherein the transmission mechanism (9) comprises a two-axis motor (91), a second bracket (92), and a second transmission shaft (93), second annular wedge (94), belt (95) and third transmission shaft (96), the diapire is equipped with double-shaft motor (91) in show case (2), double-shaft motor (91) output shaft and first support (4) rotary type are connected, lower part both sides all are equipped with second support (92) in show case (2), equal rotary type is connected with second transmission shaft (93) in second support (92), all sliding type is connected with second annular wedge (94) in second transmission shaft (93), show case (2) both sides all sliding type are connected with third transmission shaft (96), third transmission shaft (96) and second annular wedge (94) rotary type are connected, all around belt (95) between second transmission shaft (93) and double-shaft motor (91) output shaft.

4. The multifunctional municipal display stand according to claim 3, further comprising a clamping mechanism (10), wherein the clamping mechanism (10) comprises a fixing frame (101), a first clamping block (102) and a first compression spring (103), the fixing frame (101) is connected to both sides of the display box (2), the first clamping block (102) is connected to the fixing frame (101) in a sliding manner, and two first compression springs (103) are arranged between the first clamping block (102) and the fixing frame (101) on the same side.

5. The multifunctional municipal administration display stand according to claim 4, further comprising a release mechanism (11), wherein the release mechanism (11) comprises a rotating rod (111), a rotating block (112), a first connecting rod (113), a second connecting rod (114), a fixing plate (115), a telescopic rod (116) and an extrusion plate (117), the rotating rod (111) is rotatably connected between both sides of the lower part of the inner side of the display box (2) and the first bracket (4), the rotating block (112) is arranged on the outer side of the rotating rod (111), the rotating block (112) is matched with the third transmission shaft (96), the first connecting rod (113) is arranged on the inner side of the rotating rod (111), the second connecting rod (114) is slidably connected to the fixing frame (101), one side of the second connecting rod (114) is movably connected with the first connecting rod (113), the extrusion plate (117) is arranged on the front side of the second connecting rod (114), both sides of the lower portion of the glass plate (3) are provided with fixing plates (115), the fixing plates (115) are provided with telescopic rods (116), one side of each telescopic rod (116) is connected with the extrusion plate (117), and springs are arranged inside the telescopic rods (116).

6. The municipal multifunctional display stand according to claim 5, further comprising a wiping mechanism (12), wherein the wiping mechanism (12) comprises a rodless cylinder (121), a touch switch (122), a third connecting rod (123), a wiping plate (124) and second compression springs (125), the rodless cylinder (121) is connected to both sides of the outer side of the display box (2), the touch switch (122) is connected to both sides of the lower portion of the display box (2), the third connecting rod (123) is slidably connected between the rodless cylinders (121), the wiping plate (124) is slidably connected to one side of the third connecting rod (123), and the two second compression springs (125) are connected between the wiping plate (124) and the third connecting rod (123).

7. The multifunctional municipal display stand according to claim 6, further comprising an opening and closing mechanism (13), wherein the opening and closing mechanism (13) comprises a storage box (131), a third bracket (132), a rotating shaft (133), a pull wire (134) and an opening plate (135), the storage box (131) is arranged at the bottom of the display box (2), the third bracket (132) is arranged on each of the two sides of the storage box (131), the rotating shaft (133) is rotatably connected to the third bracket (132), the rotating shaft (133) is slidably connected to a bump on the third transmission shaft (96), the opening plate (135) is rotatably connected to one side of the storage box (131), and the pull wire (134) is wound between each of the two sides of the opening plate (135) and the rotating shaft (133).

8. The multifunctional municipal display stand according to claim 7, further comprising a toggle mechanism (14), wherein the toggle mechanism (14) comprises a fixing rod (141), a toggle rod (142), a first protrusion (143), a second protrusion (144) and a second torsion spring (145), the fixing rod (141) is connected to both sides of the rear portion of the third connecting rod (123), the toggle rod (142) is rotatably connected to the inner side of the fixing rod (141), the second torsion spring (145) is arranged between the toggle rod (142) and the fixing rod (141) on the same side, the first protrusion (143) and the second protrusion (144) are arranged on the lower portion of the conveyor belt (7), and the first protrusion (143) is located on one side of the second protrusion (144).

Technical Field

The invention relates to a display stand, in particular to a multifunctional display stand for municipal administration.

Background

Present municipal show shelf is most with showing various posters, it supports to generally utilize the bracing piece, municipal publicity column generally erects on the road both sides, its surface gathers the raise dust very easily and causes the publicity picture to be difficult to by citizen and watches, the cleaning work of current municipal publicity column is generally carried out by sanitationman is manual, and sanitationman need take the water source certainly when clearing up municipal publicity column, this just makes municipal publicity column's cleaning work need extravagant a large amount of manpowers, cleaning efficiency is low, and the collection rainwater that can not be reasonable clears up the work and causes the water waste.

Therefore, a multifunctional display stand for municipal administration, which can facilitate people to clean and automatically change browsing pages, is developed.

Disclosure of Invention

In order to overcome the inconvenient clear shortcoming of present municipal administration show shelf, the technical problem who solves: the multifunctional display stand for municipal administration is convenient for people to clean and automatically replace and browse pages.

The technical scheme is as follows: the utility model provides a municipal administration is with multi-functional show shelf, which comprises a supporting rack, the show case, the glass board, a first support, first transmission shaft, first cyclic annular wedge, the conveyer belt, loading mechanism and drive mechanism, be equipped with the show case on the support frame, show case one side is equipped with the glass board, the lower part both sides all are connected with a first support in the show case, be connected with first transmission shaft with the equal rotary type in show case upper portion between the first support, first transmission shaft both sides of downside all are equipped with first cyclic annular wedge, both sides all around there being the conveyer belt between the first transmission shaft, be connected with loading mechanism between the conveyer belt, be equipped with drive mechanism between show case and the first support.

In one embodiment, the loading mechanism comprises clamping rods, extrusion blocks, rotating plates and first torsion springs, the clamping rods are arranged on four sides between the conveying belts, the extrusion blocks are rotatably connected to two sides of the clamping rods, the rotating plates are arranged on the outer sides of the extrusion blocks, and the first torsion springs are arranged between the inner sides of the extrusion blocks and the clamping rods.

In one embodiment, the transmission mechanism comprises a double-shaft motor, a second bracket, a second transmission shaft, a second annular wedge block, a belt and a third transmission shaft, the double-shaft motor is arranged on the inner bottom wall of the display box, the output shaft of the double-shaft motor is rotatably connected with the first bracket, the second bracket is arranged on each of two sides of the lower portion of the display box, the second transmission shaft is rotatably connected in the second bracket, the second annular wedge block is slidably connected in the second transmission shaft, the third transmission shaft is slidably connected on each of two sides of the display box, the third transmission shaft is rotatably connected with the second annular wedge block, and the belt is wound between the second transmission shaft and the output shaft of the double-shaft motor.

In one embodiment, the display box further comprises a clamping mechanism, the clamping mechanism comprises a fixing frame, a first clamping block and a first compression spring, the fixing frame is connected to two sides of the display box, the first clamping block is connected to the fixing frame in a sliding mode, and two first compression springs are arranged between the first clamping block and the fixing frame on the same side.

In one of the embodiments, still include the release mechanism, the release mechanism includes the bull stick, rotatory piece, the head rod, the second connecting rod, the fixed plate, telescopic link and stripper plate, equal rotary type is connected with the bull stick between inboard lower part both sides of show case and the first support, the bull stick outside all is equipped with rotatory piece, rotatory piece and the cooperation of third transmission shaft, the bull stick inboard all is equipped with the head rod, all sliding type is connected with the second connecting rod on the mount, second connecting rod one side all is connected with the head rod is movable, the second connecting rod front side all is equipped with the stripper plate, glass board lower part both sides all are equipped with the fixed plate, all be equipped with the telescopic link on the fixed plate, telescopic link one side and stripper plate are connected, all be equipped with the spring inside the telescopic link.

In one embodiment, the display box further comprises a wiping mechanism, the wiping mechanism comprises a rodless cylinder, a touch switch, a third connecting rod, a wiping plate and second compression springs, the rodless cylinder is connected to two sides of the outer side of the display box, the touch switch is connected to two sides of the lower portion of the display box, the third connecting rod is connected between the rodless cylinders in a sliding mode, the wiping plate is connected to one side of the third connecting rod in a sliding mode, and the two second compression springs are connected between the wiping plate and the third connecting rod.

In one embodiment, the display box further comprises an opening and closing mechanism, the opening and closing mechanism comprises a storage box, a third support, a rotating shaft, a pull wire and an opening and closing plate, the storage box is arranged at the bottom of the display box, the third support is arranged on two sides of the storage box, the rotating shaft is rotatably connected to the third support, the rotating shaft is slidably connected with a projection on a third transmission shaft, the opening and closing plate is rotatably connected to one side of the storage box, and the pull wire is wound between two sides of the opening and closing plate and the rotating shaft.

In one embodiment, the conveying belt further comprises a toggle mechanism, the toggle mechanism comprises a fixed rod, a toggle rod, a first bump, a second bump and a second torsion spring, the fixed rod is connected to both sides of the rear portion of the third connecting rod, the toggle rod is rotatably connected to the inner side of the fixed rod, the second torsion spring is arranged between the toggle rod and the fixed rod on the same side, the first bump and the second bump are arranged on the lower portion of the conveying belt, and the first bump is located on one side of the second bump.

The invention has the following advantages: 1. through the cooperation between loading mechanism and the drive mechanism, can realize fixing the publicity paper, can carry out automatic the change to browsing the page according to people's browsing speed simultaneously, the people of being convenient for like this browse more contents.

2. Through the cooperation between chucking mechanism and the separation mechanism, after moving new page, stop the page automatically, be convenient for people browse.

3. Through the cooperation between wiping mechanism, opening and shutting mechanism and the toggle mechanism, can realize carrying out the automation with the glass board and clean, the impurity that will clean down is collected.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of a second three-dimensional structure according to the present invention.

Fig. 3 is a schematic perspective view of the loading mechanism of the present invention.

Fig. 4 is a schematic perspective view of a first part of the transmission mechanism of the present invention.

Fig. 5 is a schematic perspective view of a second part of the transmission mechanism of the present invention.

Fig. 6 is a perspective view of a first part of the clamping mechanism of the present invention.

Fig. 7 is a perspective view of a second part of the clamping mechanism of the present invention.

Fig. 8 is a perspective view of the detachment mechanism of the present invention.

Fig. 9 is a schematic perspective view of the wiping mechanism of the present invention.

Fig. 10 is a partially enlarged perspective view of the present invention at a.

Fig. 11 is a schematic perspective view of a first part of the opening and closing mechanism of the present invention.

Fig. 12 is a schematic perspective view of a second part of the opening and closing mechanism of the present invention.

Fig. 13 is a schematic perspective view of a toggle mechanism of the present invention.

In the reference symbols: 1. a support frame, 2, a display box, 3, a glass plate, 4, a first support, 5, a first transmission shaft, 6, a first annular wedge-shaped block, 7, a conveyor belt, 8, a loading mechanism, 81, a clamping rod, 82, a squeezing block, 83, a rotating plate, 84, a first torsion spring, 9, a transmission mechanism, 91, a double-shaft motor, 92, a second support, 93, a second transmission shaft, 94, a second annular wedge-shaped block, 95, a belt, 96, a third transmission shaft, 10, a clamping mechanism, 101, a fixing frame, 102, a first clamping block, 103, a first compression spring, 11, a disengaging mechanism, 111, a rotating rod, 112, a rotating block, 113, a first connecting rod, 114, a second connecting rod, 115, a fixing plate, 116, a telescopic rod, 117, a squeezing plate, 12, a wiping mechanism, 121, a rodless cylinder, 122, a touch switch, 123, a third connecting rod, 124, a wiping plate, 125, a second compression spring, 13. the opening and closing mechanism comprises an opening and closing mechanism 131, a storage box 132, a third support 133, a rotating shaft 134, a stay wire 135, an opening and closing plate 14, a toggle mechanism 141, a fixed rod 142, a toggle rod 143, a first bump 144, a second bump 145 and a second torsion spring.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings to which the invention is attached.

Example 1

The utility model provides a municipal administration is with multi-functional show shelf, as shown in fig. 1-5, including support frame 1, show case 2, glass sheet 3, first support 4, first transmission shaft 5, first cyclic annular wedge 6, conveyer belt 7, loading mechanism 8 and drive mechanism 9, be equipped with show case 2 on the support frame 1, show case 2 front side is equipped with glass sheet 3, the 2 lower part left and right sides of show case all are connected with first support 4, be connected with first transmission shaft 5 with the equal rotary type in show case 2 upper portion between the upper portion of first support 4, the first transmission shaft 5 left and right sides of downside all is equipped with first cyclic annular wedge 6, the left and right sides all is around having conveyer belt 7 between the first transmission shaft 5, be connected with loading mechanism 8 between the conveyer belt 7, be equipped with drive mechanism 9 between show case 2 and the first support 4.

The loading mechanism 8 comprises a clamping rod 81, extrusion blocks 82, a rotating plate 83 and a first torsion spring 84, the clamping rod 81 is arranged on the upper side, the lower side, the front side and the rear side of the conveying belt 7, the extrusion blocks 82 are rotatably connected to the left side and the right side of the clamping rod 81, the rotating plate 83 is arranged on the outer side of each extrusion block 82, and the first torsion spring 84 is arranged between the inner side of each extrusion block 82 and the clamping rod 81.

Drive mechanism 9 is including biax motor 91, second support 92, second transmission shaft 93, the annular wedge of second 94, belt 95 and third transmission shaft 96, the diapire is equipped with biax motor 91 in the display box 2, biax motor 91 output shaft and the connection of first support 4 rotary type, the lower part left and right sides all is equipped with second support 92 in the display box 2, equal rotary type is connected with second transmission shaft 93 in the second support 92, all sliding type is connected with annular wedge of second 94 in the second transmission shaft 93, the equal sliding type in the display box 2 lower part left and right sides is connected with third transmission shaft 96, third transmission shaft 96 and the annular wedge of second 94 rotary type are connected, all around there being belt 95 between second transmission shaft 93 and the biax motor 91 output shaft.

When people need propaganda knowledge, the equipment can be used, firstly, the extrusion block 82 is rotated to drive the rotating plate 83 to rotate, the first torsion spring 84 is twisted, then people insert the propaganda paper between the front side clamping rods 81, the other kind of propaganda paper is inserted between the rear side clamping rods 81, so that two kinds of propaganda board newspapers can be displayed, then, the hands are loosened, under the action of the first torsion spring 84, the extrusion block 82 and the rotating plate 83 are driven to rotate and reset, the rotating plate 83 limits the propaganda paper, when the propaganda page needs to be switched, the third transmission shaft 96 is manually moved inwards to drive the second annular wedge block 94 to move inwards, the second annular wedge block 94 is in contact with the first annular wedge block 6, then the double-shaft motor 91 is started, the output shaft of the double-shaft motor 91 rotates to drive the belt 95, the second transmission shaft 93, the second annular wedge block 94 and the first annular wedge block 6, First transmission shaft 5, conveyer belt 7 and kelly 81 rotate for the propaganda page rotates the change, and when needs stopped propaganda page, people moved third transmission shaft 96 to the outside and drove the dicyclic wedge of second 94 and move to the outside and reset, made the separation of the dicyclic wedge of second 94 and the cyclic annular wedge 6, propaganda page stall like this, closed when not using this equipment biax motor 91 can.

Example 2

On the basis of embodiment 1, as shown in fig. 6 to 13, the display case further includes a clamping mechanism 10, the clamping mechanism 10 includes a fixing frame 101, a first clamping block 102 and a first compression spring 103, the left and right sides of the lower portion of the inner side of the display case 2 are connected to the fixing frame 101, the fixing frame 101 is connected to the first clamping block 102 in a sliding manner, and two first compression springs 103 are disposed between the first clamping block 102 and the fixing frame 101 on the same side.

Still including breaking away from mechanism 11, breaking away from mechanism 11 including bull stick 111, rotatory piece 112, head rod 113, second connecting rod 114, fixed plate 115, telescopic link 116 and stripper plate 117, equal rotary type is connected with bull stick 111 between the inboard lower part left and right sides of show case 2 and the first support 4, the bull stick 111 outside all is equipped with rotatory piece 112, rotatory piece 112 and the cooperation of third transmission shaft 96, bull stick 111 inboard all is equipped with head rod 113, all sliding connection has second connecting rod 114 on the mount 101, second connecting rod 114 rear side all with head rod 113 movable connection, second connecting rod 114 front side all is equipped with stripper plate 117, the 3 lower part left and right sides of glass board all is equipped with fixed plate 115, all be equipped with telescopic link 116 on the fixed plate 115, telescopic link 116 rear side and stripper plate 117 connect, the inside spring that all is equipped with of telescopic link 116.

When the extrusion block 82 moves to contact with the extrusion plate 117, the extrusion plate 117 and the second connecting rod 114 are driven to move forward, the telescopic rod 116 and the spring are compressed, so that the first connecting rod 113, the rotating rod 111 and the rotating block 112 rotate, teeth on the extrusion block 82 are just engaged with the first clamping block 102, the first clamping block 102 is continuously moved left and right under the action of the first compression spring 103, the rotating block 112 rotates to enable the third transmission shaft 96 to move outwards, and further the second annular wedge-shaped block 94 is separated from the first annular wedge-shaped block 6, at the moment, the first clamping block 102 can prevent the extrusion block 82 from moving upwards, the second annular wedge-shaped block 94 is separated from the first annular wedge-shaped block 6, so that the propaganda page automatically stops moving, the browsing is convenient for people to browse, when people need to browse the next page, the third transmission shaft 96 can be manually moved inwards, and then the second annular wedge block 94 is contacted with the first annular wedge block 6, at this time, the extrusion block 82 continues to move, when the extrusion block 82 moves and is separated from the extrusion plate 117, under the action of the telescopic rod 116 and the spring, the extrusion plate 117 and the second connecting rod 114 move backwards and reset, and then the rotating rod 111 and the rotating block 112 are driven to rotate and reset.

Still including wiping mechanism 12, wiping mechanism 12 is including no pole cylinder 121, touch switch 122, third connecting rod 123, wiping board 124 and second compression spring 125, the 2 outside left and right sides of show case all are connected with no pole cylinder 121, the 2 lower part left and right sides of show case all are connected with touch switch 122, sliding type is connected with third connecting rod 123 between no pole cylinder 121, sliding type is connected with wiping board 124 behind third connecting rod 123, be connected with two second compression springs 125 between wiping board 124 and the third connecting rod 123.

When third transmission shaft 96 moves contact touch switch 122 to the outside for rodless cylinder 121 is started, drives third connecting rod 123, wiping plate 124 and second compression spring 125 and reciprocates, makes wiping plate 124 wipe glass, and in the wiping process, second compression spring 125 is constantly out of shape and is played the cushioning effect, and when third transmission shaft 96 moved to the inboard and kept away from touch switch 122, rodless cylinder 121 self-closing.

The folding and unfolding mechanism 13 is further included, the folding and unfolding mechanism 13 comprises a storage box 131, a third support 132, a rotating shaft 133, a pull wire 134 and a folding and unfolding plate 135, the storage box 131 is arranged at the bottom of the display box 2, the third support 132 is arranged on the left side and the right side of the storage box 131, the rotating shaft 133 is connected to the third support 132 in a rotating mode, the rotating shaft 133 is connected to a protruding block on the third transmission shaft 96 in a sliding mode, the folding and unfolding plate 135 is connected to the upper side of the front portion of the storage box 131 in a rotating mode, and the pull wire 134 is wound between the left side and the right side of the folding and unfolding plate 135 and the rotating shaft 133.

Third transmission shaft 96 moves to the outside and drives rotation axis 133 to rotate for act as go-between 134 rotates and drives open plate 135 to rotate and open, and the impurity that cleans down like this drops and collects in storage box 131, and third transmission shaft 96 moves to the inside and drives rotation axis 133 and reverse, makes act as go-between 134 rotate and drives open plate 135 to rotate and close.

The conveying belt conveying mechanism is characterized by further comprising a toggle mechanism 14, wherein the toggle mechanism 14 comprises a fixing rod 141, a toggle rod 142, a first lug 143, a second lug 144 and a second torsion spring 145, the fixing rod 141 is connected to the left side and the right side of the rear portion of the third connecting rod 123, the toggle rod 142 is connected to the inner side of the fixing rod 141 in a rotating mode, the second torsion spring 145 is arranged between the toggle rod 142 and the fixing rod 141 on the same side, the first lug 143 and the second lug 144 are arranged on the lower portion of the conveying belt 7, and the first lug 143 is located on the lower side of the second lug 144.

When the third connecting rod 123 moves upward to drive the fixing rod 141, the shift lever 142 and the second torsion spring 145 to move upward, when the shift lever 142 contacts with the second protrusion 144, the second protrusion 144 is driven to rotate, so that the second torsion spring 145 is twisted, when the shift lever 142 is separated from the second protrusion 144, the second protrusion 144 is driven to rotate and reset under the action of the second torsion spring 145, when the third connecting rod 123 moves downward to drive the fixing rod 141, the shift lever 142 and the second torsion spring 145 to move downward, when the shift lever 142 contacts with the second protrusion 144 again, the second protrusion 144 is driven to move downward, so that the conveying belt 7 rotates, so that the second connecting rod 114 drives the rotating rod 111 and the rotating block 112 to rotate and reset, so that the third transmission shaft 96 moves inward, so that the second annular wedge block 94 contacts with the first annular wedge block 6, so that the conveying belt 7 continues to rotate automatically, the propaganda paper is driven to rotate to replace the page.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. The scope of the following claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.