Universal room extension

Details Universal room extension Universal room extension

2005-06-14

2005-06-14

Morrow, Jason (Department: 3612)

Land vehicles: bodies and tops

Bodies

Variable capacity of body

C296S175000

Reexamination Certificate

active

06905154

ABSTRACT:
A push-pull drive chain mechanism and scissors linkage assembly and lifter assembly all powered by hydraulic cylinders to affect the coordinated, linear movement of an expandable room in a recreational vehicle. The drive chain moves generally vertically along a first structural member, such as a vehicle frame member, and then horizontally as the hydraulic cylinders extend or retract to move the expandable room relative to the vehicle frame. The lifter assembly assists in raising and lowering the expandable room so that when the room is extended, the floor of the expandable room will be substantially flush with the floor of the vehicle.

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patent: 6679541 (2004-01-01), Hanser et al.
patent: 6684138 (2004-01-01), Friede et al.
patent: 6729670 (2004-05-01), Buls et al.

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