Electrically actuated slide room extension

Details Electrically actuated slide room extension Electrically actuated slide room extension

2005-05-17

2005-05-17

Ip, Paul (Department: 2837)

Electricity: motive power systems

With particular motor-driven load device

Power- or motion-transmitting mechanism

C318S003000, C318S009000, C296S026010, C296S026030, C296S176000

Reexamination Certificate

active

06894447

ABSTRACT:
A system for extending and retracting expandable rooms in vehicles. The system employs linear actuators that can be mounted laterally to the direction of movement of the room when it is expanded or extended. In order to provide for extending and retracting the room, the actuators are connected to heavy chains which are connected to the main body of the vehicle structure and which will flex in one direction only. The chains ride in tracks such that when the actuators are retracted, the room will be extended, and when the actuators are extended, the room will be retracted. The system includes infrared sensors that sense movement of each chain to produce a signal that is used to synchronize movement of all of the actuators as the room is extended or retracted.

REFERENCES:
patent: 5997074 (1999-12-01), Alexander
patent: 6345854 (2002-02-01), McManus
patent: 6471275 (2002-10-01), Kunz et al.
patent: 6536823 (2003-03-01), McManus
patent: 6575514 (2003-06-01), McManus et al.
patent: 20020057000 (2002-05-01), McManus

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