CA1082761A - Guide bush - Google Patents
Guide bushInfo
- Publication number
- CA1082761A CA1082761A CA307,779A CA307779A CA1082761A CA 1082761 A CA1082761 A CA 1082761A CA 307779 A CA307779 A CA 307779A CA 1082761 A CA1082761 A CA 1082761A
- Authority
- CA
- Canada
- Prior art keywords
- posts
- carrier
- articles
- central axis
- stack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
Abstract
GUIDE BUSH
ABSTRACT OF THE DISCLOSURE
A device is described for dispensing articles from a stack, such as trays, plates etc., while maintaining the uppermost article of the stack at a predetermined dispensing level independent of the number of articles in the stack. The device has an upper annular member through which the articles are dispensed and a plurality of vertical posts connecting the annular member to a bottom member. An article carrier has guide bushings for vertically slidable movement on the vertical post members. The guide bushings are movably mounted in the article carrier to permit horizontal movement of the posts to accommodate articles of different sizes.
ABSTRACT OF THE DISCLOSURE
A device is described for dispensing articles from a stack, such as trays, plates etc., while maintaining the uppermost article of the stack at a predetermined dispensing level independent of the number of articles in the stack. The device has an upper annular member through which the articles are dispensed and a plurality of vertical posts connecting the annular member to a bottom member. An article carrier has guide bushings for vertically slidable movement on the vertical post members. The guide bushings are movably mounted in the article carrier to permit horizontal movement of the posts to accommodate articles of different sizes.
Description
~0~2761 Background of the Invention The invention relates to a device for dispensing articles from a stack, always keeping the uppermost article of the stack at a predetermined dispensing level, independent of the number of articles of the stack, which device comprises a vertical container for the stack of articles, with a flange having a passage opening and a bottom, a carrier for the articles cooperating with supporting means, said carrier being able to move unrotatably up and down under influence of guiding means, while between the flange and the bottom a number of mutually and with the longitudinal axis of the container parallely adjusted posts are provided.
A device of this kind is known from the Can. patent 949,644 of applicant. With such a device a number of stationary posts are present on the outside of the carrier, said posts having a U-shaped cross section, wherein inside the U-shaped profile wheels of guide carriages run, which are connected with an annular part of the carrier, said carrier also being suspended to the f~ange by means of springs. Further three adjustable posts are present, which may rotate around points pivot-ally connected to the flange and the bottom, such as that the space between the adjustable posts may be adjusted to arti'cles of different diameter.
The purpose of the invention is to simplify the construction of ~ device of this kind, thus decreasing the number of parts and obtaining a cheaper but moreover very reliable structure while use of the structure is facilitated and the aesthetical exterior is improved.
This purpose is according to the invention achieved by ~,.~..
,i .
providing the carrier with guide bushes that are slidable over the posts.
According to the invention there is provided a device for dispensing articles from a stack while maintaining the uppermost article of the stack at a predetermined dispensing level independent of the number of articles in the stack, said device comprising: an upper annular member through which the articles are dispensed; a bottom member vertically spaced beneath said annular member along a central axis of the dispensing device; a plurality of circumferentially spaced, parallel posts extending between said annular member and said bottom, said posts being movable toward and away from said central axis in accordance with the size of the dispensed articles; an article carrier supported in said device for vertical travel, said article carrier having guide bushes embracing said posts and slidable therealong for permitting vertical travel of said carrier and for guiding same during such travel, said guide bushes being slidably movable with respect to said carrier toward and away from said central axis to accommodate movement of said posts with respect to said central axis.
According to a first preferred embodiment of the .:
invention, wherein the posts are adjustable between a largest and a smallest distance to the longitudinal axis of the container, which posts guide the stack of articles during its up- and downward movement through the container, the guide bushes are slidable with respect to the carrier between the largest and the smallest distance to the longitudinal axis of the container.
According to a second preferred embodiment of the -~ invention the flange is suspended to posts. Through this :'
A device of this kind is known from the Can. patent 949,644 of applicant. With such a device a number of stationary posts are present on the outside of the carrier, said posts having a U-shaped cross section, wherein inside the U-shaped profile wheels of guide carriages run, which are connected with an annular part of the carrier, said carrier also being suspended to the f~ange by means of springs. Further three adjustable posts are present, which may rotate around points pivot-ally connected to the flange and the bottom, such as that the space between the adjustable posts may be adjusted to arti'cles of different diameter.
The purpose of the invention is to simplify the construction of ~ device of this kind, thus decreasing the number of parts and obtaining a cheaper but moreover very reliable structure while use of the structure is facilitated and the aesthetical exterior is improved.
This purpose is according to the invention achieved by ~,.~..
,i .
providing the carrier with guide bushes that are slidable over the posts.
According to the invention there is provided a device for dispensing articles from a stack while maintaining the uppermost article of the stack at a predetermined dispensing level independent of the number of articles in the stack, said device comprising: an upper annular member through which the articles are dispensed; a bottom member vertically spaced beneath said annular member along a central axis of the dispensing device; a plurality of circumferentially spaced, parallel posts extending between said annular member and said bottom, said posts being movable toward and away from said central axis in accordance with the size of the dispensed articles; an article carrier supported in said device for vertical travel, said article carrier having guide bushes embracing said posts and slidable therealong for permitting vertical travel of said carrier and for guiding same during such travel, said guide bushes being slidably movable with respect to said carrier toward and away from said central axis to accommodate movement of said posts with respect to said central axis.
According to a first preferred embodiment of the .:
invention, wherein the posts are adjustable between a largest and a smallest distance to the longitudinal axis of the container, which posts guide the stack of articles during its up- and downward movement through the container, the guide bushes are slidable with respect to the carrier between the largest and the smallest distance to the longitudinal axis of the container.
According to a second preferred embodiment of the -~ invention the flange is suspended to posts. Through this :'
- 2 -:108276~
Lt iS achieved that the posts also serve for forming the carrier, while the whole device is delivered easily as a building set to be assembled on the spot, so that further simplification and decrease of the production, packing and delivery costs is achieved.
Description of the Drawings The invention will be further elucidated with reference to the accompanying drawings in which Fig. 1 shows a schematic side-view in axial cross-section of an embodiment of the invention, Fig. 2 is a top view of the right hand part of the device according to Figures 1 and 4, Fig. 3 is a bottom view of Fig. 1 showing the left hand part, and Fig. 4 shows in an analogous way to Fig. 1, a second embodiment of a device according to the invention.
According to Figures 1, 2 and 3 a first embodiment of the device 1 comprises a flange, which is generally indicated at 4, said flange being provided with a round opening 2, which is defined by a round inner tube 3. The flange 4 has a flat upper side and is defined on the outside by an outer tube 5.
Between the inner tube 3 and the outer tube 5 two tubes 6 and 7, running downwards, are provided. The tube 6 carries a number of holes 50, which are spaced along and from its bottom edge; through which the ends of a number of coil springs 8 may be hooked, the other end of said springs being hooked in holes 9 in an edge tube 10 of a platelike carrier 11. The carrier is provided with three arcuate grooves 12 (only two being shown in ~ig. 2) through which, respectively, posts 13 run, said posts being round in cross section. Over these posts 13 guiding bushes 14 may slide. These guiding bushes ~?
.
108276~
may also slide thorugh the arcuate grooves in the platelike carrier 11, the inner surface of said guiding bushes preferably being formed by polytetrafluoroethylene plastics. However, with respect to this carrier 11, guiding bushes 14 are fixed by means of clips 15 to the upper side of the carrier 11 and respectively by clips 16 to the bottom side of the carrier.
The bottom ends of the posts 13 are provided with narrower pin parts 17 that extend into holes 18 in a bottom 19. The series of holes 18 are vertically aligned below the grooves 12, so that the posts 13 may move through the grooves and may be fixed in a uniform manner in the holes 18.
Each of the posts 13 is provided with an extending cross arm 20 near the bottom end, said cross arms at their outer end each having a pin 21 running parallel to the respective post. This pin 21 extends through a hole 22, said hole being provided near the vertical outer tube 23 of the bottom, while a sleeve 24 receives the pin 21. The sleeve 24 has a protruding collar 25 on its bottom side, said collar supporting the one end of a coil spring 26, the other end of the coil spring being supported by the upper plate of a nut 27, the latter being screwed on the bottom end of the pin 21 by a screw thread. In this way each of the posts 13 may be pulled out of one of the fixing holes 18 and fixed in an other hole.
Each of the posts 13 is connected on its upper end ~; to a parallel part 41 through a preferably arcuate part 40, said parallel part 41 extending through a hole in the upper surface of flange 4. Moreover below the flange 4 a sleeve 28 -~ is provided on each part 41, while a short distance beneath this sleeve 28 a nut 29 has been screwed. Each post 13 consists of a round bar.
The dispensing device according to the invention is , .. .
a.la~ted to be both built in, the tube 7 being thrust in a corresponding hole in the top of a table, carriage or counter, the bottom 19 resting on a supporting surface, lying underneath;
and for free arrangement, the whole device being self-supporting.
Fig. 4 shows a second embodiment of the device according to the invention. A number of parts of the embodi-ment according to Fig. 1 are found again herein. In Fig. 4 the posts 13 are fixedly connected at their upper ends to the flange 4 through parts 41 and screw bolts 29 and at their bottom ends to the bottom 19 through screw bolts 30. The bolts press on the bottom side against the bottom 19, while the shaft 31 is screwed in a screw bore 32 in the post 13. Further, below the flange 4, instead of the tube 7, a number of brackets 52 are connected to the tube 6 around the circumference, said brackets taking care of centering the device in a hole in a counter, table etc.
The embodiment shown on the right side of Fig. 4 has a collar 34 above the carrier 11. A cylinder 35 extends through the carrier, on which a ring 36 is mounted, said ring being fixed with a clip 37, tensioned in a groove 38 in ~the cylinder.
; The embodiment of the guide bushing 39 shown on the -left side of Fig. 4 is formed by pressing it out of the plate - material of the carrier 11. This bushing 39 may be formed on the upper part as well as on the bottom part of the carrier, but is formed therewith integrally so that it cannot be moved, such as in the former embodiments of the bushings.
The device according to the invention may be delivered with loose components, as a building set, said set being assembled by the customer on the spot, thus saving production, packing and transportation costs.
108276~
The invention is not restricted to the embodiments shown and described, but extends to all variations thereof.
So the passage opening 2 may be square, or polygonal instead of round, according to the outer surface of the articles to be delivered, said articles consisting for example of plates, serving trays etc. Further the guiding may take place in an other way than with guide bushes for example according to the U.S. patent 3,738,722 of the present applicant, whereby inside the U-shaped profile, wheels of guiding carriages run, which are connected to the carrier.
Lt iS achieved that the posts also serve for forming the carrier, while the whole device is delivered easily as a building set to be assembled on the spot, so that further simplification and decrease of the production, packing and delivery costs is achieved.
Description of the Drawings The invention will be further elucidated with reference to the accompanying drawings in which Fig. 1 shows a schematic side-view in axial cross-section of an embodiment of the invention, Fig. 2 is a top view of the right hand part of the device according to Figures 1 and 4, Fig. 3 is a bottom view of Fig. 1 showing the left hand part, and Fig. 4 shows in an analogous way to Fig. 1, a second embodiment of a device according to the invention.
According to Figures 1, 2 and 3 a first embodiment of the device 1 comprises a flange, which is generally indicated at 4, said flange being provided with a round opening 2, which is defined by a round inner tube 3. The flange 4 has a flat upper side and is defined on the outside by an outer tube 5.
Between the inner tube 3 and the outer tube 5 two tubes 6 and 7, running downwards, are provided. The tube 6 carries a number of holes 50, which are spaced along and from its bottom edge; through which the ends of a number of coil springs 8 may be hooked, the other end of said springs being hooked in holes 9 in an edge tube 10 of a platelike carrier 11. The carrier is provided with three arcuate grooves 12 (only two being shown in ~ig. 2) through which, respectively, posts 13 run, said posts being round in cross section. Over these posts 13 guiding bushes 14 may slide. These guiding bushes ~?
.
108276~
may also slide thorugh the arcuate grooves in the platelike carrier 11, the inner surface of said guiding bushes preferably being formed by polytetrafluoroethylene plastics. However, with respect to this carrier 11, guiding bushes 14 are fixed by means of clips 15 to the upper side of the carrier 11 and respectively by clips 16 to the bottom side of the carrier.
The bottom ends of the posts 13 are provided with narrower pin parts 17 that extend into holes 18 in a bottom 19. The series of holes 18 are vertically aligned below the grooves 12, so that the posts 13 may move through the grooves and may be fixed in a uniform manner in the holes 18.
Each of the posts 13 is provided with an extending cross arm 20 near the bottom end, said cross arms at their outer end each having a pin 21 running parallel to the respective post. This pin 21 extends through a hole 22, said hole being provided near the vertical outer tube 23 of the bottom, while a sleeve 24 receives the pin 21. The sleeve 24 has a protruding collar 25 on its bottom side, said collar supporting the one end of a coil spring 26, the other end of the coil spring being supported by the upper plate of a nut 27, the latter being screwed on the bottom end of the pin 21 by a screw thread. In this way each of the posts 13 may be pulled out of one of the fixing holes 18 and fixed in an other hole.
Each of the posts 13 is connected on its upper end ~; to a parallel part 41 through a preferably arcuate part 40, said parallel part 41 extending through a hole in the upper surface of flange 4. Moreover below the flange 4 a sleeve 28 -~ is provided on each part 41, while a short distance beneath this sleeve 28 a nut 29 has been screwed. Each post 13 consists of a round bar.
The dispensing device according to the invention is , .. .
a.la~ted to be both built in, the tube 7 being thrust in a corresponding hole in the top of a table, carriage or counter, the bottom 19 resting on a supporting surface, lying underneath;
and for free arrangement, the whole device being self-supporting.
Fig. 4 shows a second embodiment of the device according to the invention. A number of parts of the embodi-ment according to Fig. 1 are found again herein. In Fig. 4 the posts 13 are fixedly connected at their upper ends to the flange 4 through parts 41 and screw bolts 29 and at their bottom ends to the bottom 19 through screw bolts 30. The bolts press on the bottom side against the bottom 19, while the shaft 31 is screwed in a screw bore 32 in the post 13. Further, below the flange 4, instead of the tube 7, a number of brackets 52 are connected to the tube 6 around the circumference, said brackets taking care of centering the device in a hole in a counter, table etc.
The embodiment shown on the right side of Fig. 4 has a collar 34 above the carrier 11. A cylinder 35 extends through the carrier, on which a ring 36 is mounted, said ring being fixed with a clip 37, tensioned in a groove 38 in ~the cylinder.
; The embodiment of the guide bushing 39 shown on the -left side of Fig. 4 is formed by pressing it out of the plate - material of the carrier 11. This bushing 39 may be formed on the upper part as well as on the bottom part of the carrier, but is formed therewith integrally so that it cannot be moved, such as in the former embodiments of the bushings.
The device according to the invention may be delivered with loose components, as a building set, said set being assembled by the customer on the spot, thus saving production, packing and transportation costs.
108276~
The invention is not restricted to the embodiments shown and described, but extends to all variations thereof.
So the passage opening 2 may be square, or polygonal instead of round, according to the outer surface of the articles to be delivered, said articles consisting for example of plates, serving trays etc. Further the guiding may take place in an other way than with guide bushes for example according to the U.S. patent 3,738,722 of the present applicant, whereby inside the U-shaped profile, wheels of guiding carriages run, which are connected to the carrier.
Claims (15)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A device for dispensing articles from a stack while maintaining the uppermost article of the stack at a perdetermined dispensing level independent of the number of articles in the stack, said device comprising: an upper annular member through which the articles are dispensed; a bottom member vertically spaced beneath said annular member along a central axis of the dispensing device; a plurality of circumferentially spaced, parallel posts extending between said annular member and said bottom, said posts being movable toward and away from said central axis in accordance with the size of the dispensed articles; an article carrier supported in said device for vertical travel, said article carrier having guide bushes embracing said posts and slidable therealong for permitting vertical travel of said carrier and for guiding same during such travel, said guide bushes being slidably movable with respect to said carrier toward and away from said central axis to accommodate movement of said posts with respect to said central axis.
2. Device according to claim 1, wherein said article carrier is supported from said annular member.
3. Device according to claim 1 characterized in that the guide bushes have a passage opening that is adapted to the cross section of the posts.
4. Device according to claim 1, claim 2 or claim 3, characterized in that the guide bushes have a round passage opening formed of polytetrafluoroethylene or the like.
5. Device according to claim 1, claim 2 or claim 3, characterized in that the guide bushes are provided with a layer of plastic material at the inner surface.
6. Device according to claim 1, characterized in that the carrier is provided with a slit for each guide bush for permitting said forward and away movement of said posts.
7. Device according to claim 1, characterized in that the guide bush has a slidable means of confinement on both sides of the carrier.
8. Device according to claim 6, wherein said posts are arcuately movable toward and away from central axis and wherein said slits are arcuate.
9. Device according to claim 8, wherein said posts are connected to said bottom member by means of offset pivot pins running parallel to and being connected to said posts.
10. The device according to claim 20 wherein said pivot pins are journalled in said bottom member and contain bias means permitting limited upward vertical movement of said posts, said posts having locating means on the lower ends thereof coacting with locating means on said bottom member for positioning said posts at desired locations with respect to said central axis.
11. Device according to claim 8, wherein the upper end of said posts are pivotally mounted on said annular members.
12. Device according to claim 1 wherein said posts are adjustably bolted to said bottom member for providing movement of said posts toward and away from said central axis.
13. The device according to claim 10 wherein said locating means on said posts comprise extensions of reduced cross-section and said locating means on said bottom member comprises a plurality of holes suitable for receiving said extensions and vertically aligned with the corresponding slits in said carrier.
14. The device according to claim 7 characterized in that said guide bush is formed with a collar above the carrier, a cylinder extending through said carrier containing a second collar retained thereon beneath said carrier.
15. Device according to claim 1, claim 2 or claim 3, characterized in that the guide bushes are being formed out of one piece with the plate material of the carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA307,779A CA1082761A (en) | 1977-07-20 | 1978-07-20 | Guide bush |
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7708061.A NL166662C (en) | 1977-07-20 | 1977-07-20 | DEVICE FOR DELIVERING OBJECTS FROM A STACK. |
| NL7708061 | 1977-07-20 | ||
| NL7709380A NL7709380A (en) | 1977-08-25 | 1977-08-25 | DEVICE FOR DELIVERING ITEMS FROM A STACK. |
| NL7709380 | 1977-08-25 | ||
| CA288,801A CA1082760A (en) | 1977-07-20 | 1977-10-14 | Stacking device |
| CA307,779A CA1082761A (en) | 1977-07-20 | 1978-07-20 | Guide bush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1082761A true CA1082761A (en) | 1980-07-29 |
Family
ID=27426032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA307,779A Expired CA1082761A (en) | 1977-07-20 | 1978-07-20 | Guide bush |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1082761A (en) |
-
1978
- 1978-07-20 CA CA307,779A patent/CA1082761A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |