GB2158426A - Improvements in mechanisms - Google Patents
Improvements in mechanisms Download PDFInfo
- Publication number
- GB2158426A GB2158426A GB08412054A GB8412054A GB2158426A GB 2158426 A GB2158426 A GB 2158426A GB 08412054 A GB08412054 A GB 08412054A GB 8412054 A GB8412054 A GB 8412054A GB 2158426 A GB2158426 A GB 2158426A
- Authority
- GB
- United Kingdom
- Prior art keywords
- article
- block
- fixed end
- end block
- pawl
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F11/00—Coin-freed apparatus for dispensing, or the like, discrete articles
- G07F11/02—Coin-freed apparatus for dispensing, or the like, discrete articles from non-movable magazines
- G07F11/04—Coin-freed apparatus for dispensing, or the like, discrete articles from non-movable magazines in which magazines the articles are stored one vertically above the other
- G07F11/16—Delivery means
- G07F11/24—Rotary or oscillatory members
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F11/00—Coin-freed apparatus for dispensing, or the like, discrete articles
- G07F11/02—Coin-freed apparatus for dispensing, or the like, discrete articles from non-movable magazines
- G07F11/04—Coin-freed apparatus for dispensing, or the like, discrete articles from non-movable magazines in which magazines the articles are stored one vertically above the other
- G07F11/10—Coin-freed apparatus for dispensing, or the like, discrete articles from non-movable magazines in which magazines the articles are stored one vertically above the other two or more magazines having a common delivery chute
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Vending Machines For Individual Products (AREA)
- Branching, Merging, And Special Transfer Between Conveyors (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- De-Stacking Of Articles (AREA)
- Pile Receivers (AREA)
Description
1
GB2 158 426A
1
SPECIFICATION Improvements in mechanisms
5 The invention relates to mechanisms for providing access to articles stored in a container to allow removal of an article or articles by, for example, a customer.
According to one aspect of the invention 10 there is provided a mechanism for controlling loading of articles into and removal of articles from article storage means, which mechanism comprises engagement means for permitting uninterrupted loading of a multiplicity of arti-1 5 cles into the storage means through an opening in the storage means and for permitting removal of articles from the storage means through the opening one at a time but not continuously.
20 The engagement means may comprise a pawl movably mounted on the storage means.
The pawl may be movably mounted on the storage means by mounting means, the mounting means allowing the pawl to be 25 moved away from engagement with the articles during loading and into engagement with the articles during removal of articles from the storage means.
The mounting means preferably allows the 30 pawl to exhibit both sliding and rotational movement relative to the mounting means.
Slide biasing means preferably bias sliding movement of the pawl towards an engagement position, loading of the articles into the 35 storage means urging the pawl away from the engagement position against the slide biasing means.
The pawl preferably has a first contact surface for engagement by a first article during 40 removal of the first article from the storage means, and a second contact surface caused to move into engagement with a next succeeding article by action of the first article on the first contact surface to prevent movement 45 of the next succeeding article from the storage means until the first article has been removed from the storage means.
Action of the first article on the first contact surface preferably causes rotational movement 50 of the pawl. Rotation biasing means preferably bias the pawl in a direction to move the second contact surface out of engagement with an article.
The second contact surface is preferably 55 convex.
The mounting means preferably comprises a pin on one of the pawl and storage means and a slot in the other of the pawl and storage means, and guide means for guiding sliding 60 movement of the pawl. The pin is preferably on the storage means.
According to a further aspect of the invention there is provided a blocking mechanism for allowing articles to be removed only sin-65 gly, in use, from storage means storing a multiplicity of articles in a plurality of stacks, which blocking means comprises a fixed end block, a single series of slidable blocks and means controlling movement of the blocks such that, in one operating cycle, when one article has been removed from the storage means by passing between two blocks, passage of further articles through the blocking means is prevented.
Means are preferably provided for biasing the slidable blocks towards the fixed end block and means are preferably provided for locking the slidable blocks in a closed configuration.
Stop means are preferably provided for preventing displacement of the slidable block furthest from the fixed end block by more than the width of a stored article.
The mechanism preferably comprises means for sensing when the block furthest from the fixed end block has been displaced by the width of a stored article.
The mechanism may comprise stop means, preferably progressive stop means operable in accordance with a signal from the sensing means when the block furthest from the fixed end block has been displaced by the width of a stored article, the stop means acting to prevent movement of the block furthest from the fixed end block in a direction away from the fixed end block.
The profiles and positions of the slidable blocks are preferably such that movement of an article between a pair of blocks causes the block or blocks on the side of the article remote from the fixed end block to be moved away from the fixed end block without causing movement of any block lying between the article and the fixed end block.
Preferably, the profiles and positioning of the slidable blocks are such that when the blocks on the side of the article being removed remote from the fixed end block are displaced by at least half the width of the article being removed, an attempt to urge a further article between a pair of said displaced blocks will urge the block on the side of the further article nearer the fixed end block towards the fixed end block.
Each slidable block preferably has a bevelled edge profile on the side of the block nearest the fixed end block, the bevelled edge profile lying across the path of an associated article stack when the block is at its nearest position to the fixed end block. The edge profile preferably has a double bevel to provide a central apex pointing towards the fixed end block.
Each slidable block other than the block furthest from the fixed end block preferably has a bevelled edge profile on the side of the block remote from the fixed end block. The bevelled edge portion preferably lies across the path of the associated article stack when the block is at its position furthest from the
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fixed end block. The edge of each block remote from the fixed end block preferably has a portion lying parallel to the path of an article being removed.
5 By way of example, one embodiment of a mechanism according to the invention will now be described with reference to the accompanying drawings, in which:-
Figure 7 is a plan view of a mechanism 10 according to the first aspect of the invention; Figure 2 is a plan view of the mechanism of Fig. 1 in a loading configuration;
Figure 3 is a view of a blocking mechanism in a first position;
15 Figure 4 is a view of the blocking mechanism of Fig. 3 in a second position;
Figure 5 is a view of the blocking mechanism of Figs. 3 and 4 in a third position; and Figure 6 is a view of the blocking mecha-20 nism of Figs. 3, 4 and 5 in a fourth position. Figs. 1 and 2 illustrate diagrammatically a mechanism for allowing continuous loading of articles into storage means such as a slide support and removal of articles from the slide 25 support one by one but not continuously. The mechanism includes a pawl 10 mounted on a support to provide rotational movement, as illustrated in Fig. 1, and sliding movement, as illustrated in Fig. 2. Mounting 30 is achieved by a pin 11 on the support engaging a slot 12 in the pawl 10, the slot
12 being omitted from Fig. 1 as that Figure is to illustrate rotational movement of the pawl 10.
35 When it is wished to load articles 1 3 into the support slide in the direction shown in the arrow in Fig. 2, the articles 1 3 push the pawl 10 away from engagement with the articles
13 so that the pawl 10 travels relative to the 40 stationary pin 11 and the pawl moves to the positron shown in the chain lines in Fig. 2. In this way, continuous loading of the articles 1 3 can be effected without interference from the pawl 10.
45 A spring biases the pawl 10 towards the position shown in solid line in Fig. 2 and when it is wished to remove an article 13 from the slide support, as shown in Fig. 1, the first article 13 will contact a first contact 50 surface 14 of the pawl 10 thereby rotating the pawl 10 in an anti-clockwise direction in Fig. 1. This rotation brings a second contact surface 1 5 of the pawl into engagement with the next succeeding article 1 3 to prevent 55 removal of the next succeeding article until the first article has moved beyond the first contact surface 14 of the pawl 10, at which time a spring biases the pawl 10 back to the position shown in chain lines in Fig. 1. 60 Articles in the slide support (not shown in the schmetaci Figs. 1 and 2) are baised in the direction given by the arrow in Fig. 1 and the arrangement of the pawl 10 thereby allows convenient withdrawal of articles 1 3 one by 65 one. The articles 13 illustrated are nozzles of sachets of the type described in our published British Patent Application No. 2121762A but it will be appreciated that this is by way of a mere example.
Fig. 3, 4, 5 and 6 show a blocking mechanism for preventing removal of more than one article from a storage apparatus during a particular control cycle, such as is initiated by a coin freed mechanism.
In schematic Figs. 3 to 6, articles 20 are illustrated as circles but it will be appreciated that other shapes could equally be used. The pawl 10 of Figs. 1 and 2 is included in the mechanism to allow single feed of the articles 20 along respective channels 21, 22 and 23, the articles being spaced to allow operation of the pawl.
The blocking mechanism includes a fixed end block 24, intermediate sliding blocks 25 and 26 and an end sliding block 27. The sliding blocks 25, 26 and 27 are slidable laterally with respect to the paths 21, 22 and 23 along which the articles 20 can travel.
Fig. 3 illustrates the configuration of the blocks in which the mechanism as a whole is blocked by means of a locking wedge 28 engaging a recess in the sliding end block 27. Engagement or disengagement of the wedge 28 is effected by a solenoid 29. A spring 30 biases the blocks 25, 26 and 27 towards the fixed end block 24.
When the blocking mechanism is freed, for example by insertion of a coin or token, the solenoid 29 lifts the wedge 28 from engagement with the slidable end block 27 and a user then decides which article is to be removed from which row.
As shown in Fig. 2, an article from the central path 22 is to be removed. The profiles of the three slidable blocks 25, 26 and 27 at their ends nearest the fixed block 24 are each bevelled, meeting in a central apex pointing towards the fixed end block 24. There is thus provided on the block 25 a first contact edge 31 and similarly on the block 26 a first contact edge 32 is provided and on the block 27 a first contact edge 33 is provided. Second bevelled contact edges 34, 35 and 36 extend below respective contact edged 31, 32 and 33 as shown in Figs. 3 to 6, thereby allowing loading of articles into the rows through the blocks.
As can be seen in Fig. 3, the first contact edges 31, 32 and 33 extend completely across the respective paths 21, 22 and 23 of the articles 20 when the mechanism is locked. When an article from the central stack is to be removed, the article is pulled towards the exit thereby urging the blocks 26 and 27 to the right in Fig. 4. Although the block is allowed to make some movement away from the fixed end block, this movement is insufficient to allow an article from the left hand stack to be removed.
Movement of the blocks 26 and 27 away
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from the fixed end block 24 continues until the position shown in Fig. 5 at which time the blocks 26 and 27 are at their maximum displacement from their original positions. In 5 Fig. 3, a micro switch 40 is operated to switch the solenoid 29 to drop the wedge 28, there being a physical stop 41 to prevent any further movement of the block 27 away from the fixed end block 24.
10 Further movement of the articles of the central stack to the position shown in Fig. 6 has the following effect. The profiles of the blocks 25 and 26 on the side remote from the fixed end block 24 come into play, these 15 profiles having a first bevelled edge portion 45 and 46 respectively and a second portion 47 and 48 respectively lying parallel to the article travel paths. In the Fig. 6 position, any attempt to remove an article from the left 20 hand stack 21 is prevented since the block 25 is jammed by the article being removed from the centre stack. Any attempt to pull an article from the right hand stack 23 urges the block
26 towards the fixed end block 24 and will 25 not prevent the block 27 from following the block 26 under the bias of the spring 30. However, the bevelled edge profile 35 of the block 26 is also jammed against the article being removed and will thus prevent any 30 outward movement of an article from the right hand stack 23.
As the article from the central stack 22 is progressively removed, the wedge 28 takes up any play in the system and thereby re-35 duces the overall spacing between the fixed end block 24 and the block 27 to less than one article width. It is thereby impossible to extract more than one article 20 from the stacks until the solenoid 29 is activated again 40 to lift the wedge 28.
Figs. 3 to 6 and the foregoing description illustrate removal of an article from the central stack 22 but it will be appreciated that the blocking mechanism is equally effective if an 45 article is chosen to be removed from the left hand stack 21 or the right hand stack 23.
If an article is to be removed from the left hand stack 21, all three blocks 25, 26 and
27 are pushed away from the fixed end block 50 24, and the action of the wedge 28 is the same as that already described. Any attempt to remove an article from the central or right hand stack while an article is being withdrawn from the left hand stack will cause the block 55 25, 26 and 27 to be urged to the left and allow the wedge 28 to take up any free play.
If an article is to be removed from the right hand stack 23, the blocks 25 and 26 are unmoved and the block 27 is moved to the 60 right. A small amount of play in the blocks 25 and 26 is present initially in the same way as described in relation in Fig. 4, but is insufficient to allow an article to be removed from the central or left hand stack. Once the article has 65 passed the apex of the block 27, the wedge acts as a progressive stop against the block 27.
It will be appreciated that the pawl mechanism of Figs. 1 and 2 and the blocking mechanism of Figs. 3 and 6 are useful in relation to many varieties of article. The present invention has been described above purely by way of example, and modifications of detail can be made within the scope of the invention as defined by the apended Claims.
Claims (27)
1. A mechanism for controlling loading of articles into and removal of articles from article storage means, which mechanism comprises engagement means for permitting uninterrupted loading of a multiplicity of articles into the storage means through an opening in the storage means and for permitting removal of the articles from the storage means through the opening one at a time but not continuously.
2. A mechanism as claimed in Claim 1 wherein the engagement means comprise a pawl movably mounted on the storage means.
3. A mechanism as claimed in Claim 2 wherein the pawl is movably mounted on the storage means by mounting means, the mounting means allowing the pawl to be moved away from engagement with the articles during loading and into engagement with the articles during removal of articles from the storage means.
4. A mechanism as claimed in Claim 3 wherein the mounting means allows the pawl to exhibit both sliding and rotational movement relative to the mounting means.
5. A mechanism as claimed in Claim 4 comprising slide biasing means biasing sliding movement of the pawl towards an engagement position, loading of the articles into the storage means urging the pawl away from the engagement position against the slide biasing means.
6. A mechanism as claimed in Claim 4 or Claim 5 wherein the pawl has a first contact surface for engagement by a first article during removal of the first article from the storage means, and a second contact surface caused to move into engagement with a next succeeding article by action of the first article on the first contact surface to prevent movement of the next succeeding article from the storage means until the first article has been removed from the storage means.
7. A mechanism as claimed in Claim 6 wherein action of the first article on the first contact surface causes rotational movement of the pawl.
8. A mechanism as claimed in Claim 6 or Claim 7 comprising rotation biasing means for biasing the pawl in a direction to move the second contact surface out of engagement with an article.
9. A mechanism as claimed in any one of
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Claims 6 to 8 wherein the second contact surface is convex.
10. A mechanism as claimed in any one of Claims 3 to 9 wherein the mounting means
5 comprises a pin on one of the pawl and storage means and a slot in the other of the pawl and storage means, and guide means for guiding sliding movement of the pawl.
11. A mechanism as claimed in Claim 10 10 wherein the pin is on the storage means.
12. A blocking mechanism for allowing articles to be removed only singly, in use,
from storage means storing a multiplicity of articles in a plurality of stacks, which blocking
15 means comprises a fixed end block, a single series of slidable blocks and means controlling movement of the blocks such that, in one operating cycle, when one article has been removed from the storage means by passing 20 between two blocks, passage of further articles through the blocking means is prevented.
1 3. A blocking mechanism as claimed in Claim 12 comprising means for biasing the slidable blocks towards the fixed end block. 25
14. A blocking mechanism as claimed in Claim 12 or Claim 1 3 comprising means for locking the slidable blocks in a closed configuration.
15. A blocking mechanism as claimed in 30 any one of Claims 12 to 14 comprising stop means for preventing displacement of the slidable block furthest from the fixed end block by more than the width of a stored article.
16. A blocking mechanism as claimed in 35 any one of Claims 12 to 15 comprising means for sensing when the block furthest from the fixed end block has been displaced by the width of a stored article.
17. A block mechanism as claimed in 40 Claim 16 wherein the mechanism comprises stop means operable in accordance with a signal from the sensing means when the block furthest from the fixed end block has been displaced by the width of a stored article, the 45 stop means acting to prevent movement of the block furthest from the fixed end block in the direction away from the fixed end block.
18. A blocking mechanism as claimed in Claim 17 wherein the stop means act progres-
50 sively.
19. A blocking mechanism as claimed in any one of Claims 12 to 18 wherein the profiles and positions of the slidable blocks are such that movement of an article between
55 a pair of blocks causes the block or blocks on the side of the article remote from the fixed end block to be moved away from the fixed end block without causing movement of any block lying between the article and the fixed 60 end block.
20. A blocking mechanism as claimed in Claim 1 9 wherein the profiles and positioning of the slidable blocks are such that when the blocks on the side of the article being re-
65 moved remote from the fixed end block are displaced by at least half the width of the article being removed, an attempt to urge a further article between a pair of said displaced blocks will urge the block on the side of the 70 further article nearer the fixed end block towards the fixed end block.
21. A blocking mechanism as claimed in Claim 19 or Claim 20 wherein each slidable block has a bevelled edge profile on the side
75 of the block nearest the fixed end block, the bevelled edge profile lying across the path or an associated article stack when the block is at its nearest position to the fixed end block.
22. A blocking mechanism as claimed in 80 Claim 21 wherein the edge profile has a double bevel to provide a central apex pointing towards the fixed end block.
23. A blocking mechanism as claimed in any one of Claims 19 to 22 wherein each
85 slidable block other than the block furthest from the fixed end block has a bevelled edge profile on the side of the block remote from the fixed end block.
24. A blocking mechanism as claimed in 90 Claim 23 wherein the bevelled edge portion lies across the path of the associates article stack when the block is at its position furthest from the fixed end block.
25. A blocking mechanism as claimed in 95 Claim 23 or Claim 24 wherein the edge of each block remote from the fixed end block has a portion lying parallel to the path of an article being removed.
26. A mechanism for controlling loading
100 and removal of articles substantially as hereinbefore described with reference to and as shown in Figs. 1 and 2 of the accompanying drawings.
27. A blocking mechanism substantially 105 as hereinbefore described with reference to and as shown in Figs. 3 to 6 of the accompanying drawings.
Printed in the United Kingdom for
Her Majesty's Stationery Office, Dd 8818935, 1985, 4235. Published at The Patent Office, 25 Southampton Buildings,
London, WC2A 1AY, from which copies may be obtained.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB08412054A GB2158426A (en) | 1984-05-11 | 1984-05-11 | Improvements in mechanisms |
| DK206885A DK206885A (en) | 1984-05-11 | 1985-05-09 | BLOCKING MECHANISM TO ENABLE SINGLE DISPOSAL OF A MAGAZINE |
| EP85303319A EP0171872B1 (en) | 1984-05-11 | 1985-05-10 | Mechanism for controlling the loading of articles into or the removal of articles from article-storage means |
| DE8585303319T DE3570260D1 (en) | 1984-05-11 | 1985-05-10 | Mechanism for controlling the loading of articles into or the removal of articles from article-storage means |
| JP60099401A JPH085504B2 (en) | 1984-05-11 | 1985-05-10 | Article loading and unloading control mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB08412054A GB2158426A (en) | 1984-05-11 | 1984-05-11 | Improvements in mechanisms |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB8412054D0 GB8412054D0 (en) | 1984-06-20 |
| GB2158426A true GB2158426A (en) | 1985-11-13 |
Family
ID=10560799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB08412054A Withdrawn GB2158426A (en) | 1984-05-11 | 1984-05-11 | Improvements in mechanisms |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0171872B1 (en) |
| JP (1) | JPH085504B2 (en) |
| DE (1) | DE3570260D1 (en) |
| DK (1) | DK206885A (en) |
| GB (1) | GB2158426A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT793U1 (en) * | 1994-01-14 | 1996-05-28 | Hirsch Armbaender | SECURITY DEVICE AGAINST UNAUTHORIZED REMOVAL OF GOODS STACKED IN DEVICES |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1089047A (en) * | 1966-03-04 | 1967-11-01 | Solo Cup Co | Dispenser for containers |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2165590A (en) * | 1937-03-20 | 1939-07-11 | Walter A Tratsch | Coin-freed control |
| US2434257A (en) * | 1947-01-13 | 1948-01-13 | Burch Nathan | Dispensing device for slender articles |
| JPS50143941U (en) * | 1974-05-15 | 1975-11-27 | ||
| JPS5430281U (en) * | 1977-08-02 | 1979-02-27 | ||
| SE8302444L (en) * | 1982-05-13 | 1983-11-14 | Mars Ltd | dispensing device |
| US4452373A (en) * | 1982-06-15 | 1984-06-05 | Packaging By Forming Industries, Inc. | Jewelry box hinge structure |
-
1984
- 1984-05-11 GB GB08412054A patent/GB2158426A/en not_active Withdrawn
-
1985
- 1985-05-09 DK DK206885A patent/DK206885A/en unknown
- 1985-05-10 EP EP85303319A patent/EP0171872B1/en not_active Expired
- 1985-05-10 JP JP60099401A patent/JPH085504B2/en not_active Expired - Lifetime
- 1985-05-10 DE DE8585303319T patent/DE3570260D1/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1089047A (en) * | 1966-03-04 | 1967-11-01 | Solo Cup Co | Dispenser for containers |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3570260D1 (en) | 1989-06-22 |
| JPS60251064A (en) | 1985-12-11 |
| EP0171872B1 (en) | 1989-05-17 |
| JPH085504B2 (en) | 1996-01-24 |
| DK206885D0 (en) | 1985-05-09 |
| GB8412054D0 (en) | 1984-06-20 |
| DK206885A (en) | 1985-11-12 |
| EP0171872A1 (en) | 1986-02-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |