Movable conveyor

Details Movable conveyor Movable conveyor

1996-02-26

1998-06-09

Hurley, Kevin

Motor vehicles

Special driving device

Stepper

180 86, B62D 57032

Patent

active

057621527

ABSTRACT:
A movable conveyor (10) comprising a platform (24) for carrying a soccer field (12) or the like, and pairs of sled assemblies (26). Each sled assembly (26) includes a shoe (42), a pair of linear hydraulic motors or actuators (60, 62), a plastic bearing (79), and an expandable air bag (83). Air bag (83) inflates to raise platform (24), while actuators (60, 62) operate to move platform (24) along shoe (42). With air bag (83) deflated, platform (24) rests on a foot support (38). This allows actuators (60, 62) to reposition shoe 42 to a forward position, to again raise and move platform (24).

REFERENCES:
patent: 3135345 (1964-06-01), Scruggs
patent: 3527313 (1970-09-01), Reimann
patent: 3576225 (1971-04-01), Chambers
patent: 3796276 (1974-03-01), Maeda
patent: 3866425 (1975-02-01), Morrice
patent: 3871534 (1975-03-01), Bursk
patent: 4095661 (1978-06-01), Sturgas
patent: 4121679 (1978-10-01), March
patent: 4324302 (1982-04-01), Rabinovitch
patent: 4462476 (1984-07-01), Shkolnik
patent: 4832168 (1989-05-01), Farmer
patent: 5193661 (1993-03-01), Foster
patent: 5350054 (1994-09-01), Foster
patent: 5427229 (1995-06-01), Foster
Basil Peters, "The `Brute Force` Method", Hovering Craft and Hydrofoil, pp. 4-7, Jan. 1977.

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