Patent US4235327A successfully refreshed from Google Patents.
US4235327A
Expired / Lapsed
US
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Escalator with driver device for carrying of transportation carts
Assignee: CNH Industrial Baumaschinen GmbH
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Filing: 1979-02-12
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Granted: 1980-11-25
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Expires: 1999-02-12
Abstract
Abstract Escalator with driver device for carrying of transportation carts on the escalator steps. The transportation carts are secured against rolling down the escalator steps by a carrying and abutment device, which device is arranged on both sides of the transportation carts along the balustrades.
Inventors
- 👤 Helmut Heusler
- 👤 Bruno Kiefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:22
CPC Classifications
B; B66; B66B; B66B31/00; B66B31/006
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
136 words
An escalator having balustrades and with a driver device for carrying of transportation carts, particularly trunk wagons on escalator steps, comprising means for securing the transportation cart against rolling off the escalator steps, said means comprising a carrying and abutment device is arranged on both sides of the transportation cart along the balustrades, a transportation cart, an axles rigidly connected to and on each side of said transportation cart, said means is for carrying said transportation cart along in cooperation with the escalator steps, said axles penetrate through longitudinal slots formed in the balustrades, respectively, said means includes guide rollers mounted on free ends of said axles, respectively, said means further includes guide means for constraining said guide rollers therebetween, said guide means being mounted inside of the balustrades on the longitudinal sides of the latter.
Claim 2
Dependent Claim
136 words
An escalator having balustrades and with a driver device for carrying of transportation carts, particularly trunk wagons on escalator steps, comprising means for securing the transportation cart against rolling off the escalator steps, said means comprising a carrying and abutment device is arranged on both sides of the transportation cart along the balustrades, a transportation cart, an axles rigidly connected to and on each side of said transportation cart, said means is for carrying said transportation cart along in cooperation with the escalator steps, said axles penetrate through longitudinal slots formed in the balustrades, respectively, said means includes guide rollers mounted on free ends of said axles, respectively, said means further includes guide means for constraining said guide rollers therebetween, said guide means being mounted inside of the balustrades on the longitudinal sides of the latter.
Claim 3
Dependent Claim
44 words
The escalator as set forth in claim 1, wherein said guide means on each side constitutes two guide rails spaced from one another by the diameter of said guide rollers, said guide rails have a different inclination than stepping surfaces of the escalator steps.
Claim 4
Dependent Claim
139 words
An escalator having balustrades and with a driver device for carrying of transportation carts, particularly trunk wagons on escalator steps, comprising means for securing the transportation cart against rolling off the escalator steps, said means comprising a carrying and abutment device is arranged on both sides of the transportation cart along the balustrades, an axle rigidly connected to said transportation cart and extending to each side thereof, said carrying and abutment device includes, rollers mounted on free ends of said axles, respectively, a locking lever pivotally mounted on each escalator step, said locking lever is bent at an obtuse angle, said lever holds the transportation cart after running against the escalator steps via the free ends of said axles, said free ends project laterally beyond said rollers, said lever securing the transportation cart against rolling down and tilting, respectively,
Claim 5
Dependent Claim
139 words
An escalator having balustrades and with a driver device for carrying of transportation carts, particularly trunk wagons on escalator steps, comprising means for securing the transportation cart against rolling off the escalator steps, said means comprising a carrying and abutment device is arranged on both sides of the transportation cart along the balustrades, an axle rigidly connected to said transportation cart and extending to each side thereof, said carrying and abutment device includes, rollers mounted on free ends of said axles, respectively, a locking lever pivotally mounted on each escalator step, said locking lever is bent at an obtuse angle, said lever holds the transportation cart after running against the escalator steps via the free ends of said axles, said free ends project laterally beyond said rollers, said lever securing the transportation cart against rolling down and tilting, respectively,
Claim 6
Dependent Claim
96 words
The escalator as set forth in claim 3, wherein said carrying and abutment device further includes, guide rollers mounted on a lower end of said locking lever, lateral base walls adjacent the sides of the escalator steps and connected to the balastrades, guide means for constraining said guide rollers therebetween, said guide means are mounted on said lateral base walls, an abutment member is connected to the escalator steps, said locking lever engaging said abutment member when said locking lever via an upper end thereof engages the free ends of said axles of the transportation cart.
Claim 7
Dependent Claim
99 words
An escalator having balustrades and with a driver device for carrying of transportation carts, particularly trunk wagons on escalator steps, comprising means for securing the transportation cart against rolling off the escalator steps, said means comprising a carrying and abutment device is arranged on both sides of the transportation cart along the balustrades, said means comprising the carrying and abutment device includes, endless rotating chains, said chains are arranged inside of the balustrades, said chains comprise links, abutments mounted on said links, axles extend from the transportation cart, rollers are mounted on said axles, said abutments engage said axles.
Claim 8
Dependent Claim
99 words
An escalator having balustrades and with a driver device for carrying of transportation carts, particularly trunk wagons on escalator steps, comprising means for securing the transportation cart against rolling off the escalator steps, said means comprising a carrying and abutment device is arranged on both sides of the transportation cart along the balustrades, said means comprising the carrying and abutment device includes, endless rotating chains, said chains are arranged inside of the balustrades, said chains comprise links, abutments mounted on said links, axles extend from the transportation cart, rollers are mounted on said axles, said abutments engage said axles.
Claim 9
Dependent Claim
38 words
The escalator as set forth in claim 5, wherein said axles are extended beyond said rollers defining free ends, said abutments engage said free ends of said axles, said free ends of said axles extend into said balustrades.
Claim 10
Dependent Claim
36 words
The escalator as set forth in claim 3 or 6, further comprising base plates of the balustrades, angularly-shaped guard plates are fastened to said base plates, the guard plates cover said rollers of the transportation cart.
Claim 11
Dependent Claim
63 words
The escalator as set forth in claim 5, wherein said axles penetrate through longitudinal slots formed in the balustrades, respectively, said rollers are mounted on free ends of said axles, respectively, said means further includes guide means for constraining said rollers therebetween, said guide means being mounted inside of the balastrades, said axles are rigidly connected to each side of said transportation cart.
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) | 1983-11-25 | 1984-05-26 | 1984-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-11-25 | 1988-05-26 | 1988-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-11-25 | 1992-05-26 | 1992-11-25 | $7700.00 | Window Closed / Lapsed |