US3655013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor for shopping carts
Assignee: MESSRS TRANSPORTTECHNIK GmbH
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Filing: 1970-04-03
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Granted: 1972-04-11
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Expires: 1990-04-03
Abstract
Abstract In a multifloor department store, floor-to-floor conveying means for customer carts comprising a pair of moving belts disposed laterally of the cart conveying path, grippers being carried by the belts to automatically engage the carts.
Inventors
- 👤 Wilhelm Weller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:12
CPC Classifications
B; B66; B66B; B66B31/00; B66B31/006
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
87 words
Conveying means for conveying upwardly and downwardly, respectively, shopping carts along conveying path from one floor to the other in stores or the like, having a multiplicity of floors, comprising tracks of different track gauge for front and rear wheels of the cart, said tracks being at different levels for said front and rear wheels, respectively, and conveyor means with engaging pieces, said conveyor means being disposed only laterally with respect to the conveying path, and said engaging pieces laterally engaging said carts for transporting them therebetween.
Claim 2
Dependent Claim
87 words
Conveying means for conveying upwardly and downwardly, respectively, shopping carts along conveying path from one floor to the other in stores or the like, having a multiplicity of floors, comprising tracks of different track gauge for front and rear wheels of the cart, said tracks being at different levels for said front and rear wheels, respectively, and conveyor means with engaging pieces, said conveyor means being disposed only laterally with respect to the conveying path, and said engaging pieces laterally engaging said carts for transporting them therebetween.
Claim 3
Dependent Claim
31 words
Conveying means according to claim 1, in which the conveyor means comprise endless belts looped about rollers, the axes of which are disposed substantially perpendicular with respect to the conveying path.
Claim 4
Dependent Claim
25 words
Conveying means according to claim 1, in which the conveyor means are provided with rubber plugs serving as nose clutches in engagement with the carts.
Claim 5
Dependent Claim
29 words
Conveying means according to claim 1, in which a housing is provided covering the entire conveying means and being provided with a slot through which the engagement elements extend.
Claim 6
Dependent Claim
52 words
Conveying means according to claim 1, in which the conveying means is in the form of a belt, the surface of which adjacent the cart to be conveyed being designed to act as engagement means when subjected to a force laterally applied to the belt in the direction of the conveying path.
Claim 7
Dependent Claim
50 words
In a multifloor building, means for floor-to-floor conveying of carts comprising inclined track means for guiding wheels of said carts along a conveying path, endless means being provided only laterally with respect to said path for engaging said carts with their inner runs to apply a controlled moving force thereto.
Claim 8
Dependent Claim
50 words
In a multifloor building, means for floor-to-floor conveying of carts comprising inclined track means for guiding wheels of said carts along a conveying path, endless means being provided only laterally with respect to said path for engaging said carts with their inner runs to apply a controlled moving force thereto.
Claim 9
Dependent Claim
73 words
A trackway for sue between floors in a building comprising a double track for conveying carts from one floor to the other of the building, said track being set at at least two different gages to accommodate at least two pairs of wheels of different widths relative to each pair, and means being provided only along the side of at least one track to engage and move the wheeled vehicles on the trackway.
Claim 10
Dependent Claim
73 words
A trackway for sue between floors in a building comprising a double track for conveying carts from one floor to the other of the building, said track being set at at least two different gages to accommodate at least two pairs of wheels of different widths relative to each pair, and means being provided only along the side of at least one track to engage and move the wheeled vehicles on the trackway.
Claim 11
Dependent Claim
26 words
A trackway according to claim 7, in which said means are provided on each side of the trackway adapted to engage and move the wheeled vehicles.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-04-11 | 1975-10-11 | 1976-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-11 | 1979-10-11 | 1980-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-11 | 1983-10-11 | 1984-04-11 | $7700.00 | Window Closed / Lapsed |