Extendable and retractable support system

Details Extendable and retractable support system Extendable and retractable support system

2007-07-24

2007-07-24

Pedder, Dennis H. (Department: 3612)

Land vehicles: bodies and tops

Bodies

Camper

C296S026050, C296S171000

Reexamination Certificate

active

10959699

ABSTRACT:
An extendable and retractable support system for raising and lowering structures, including covers or tops of mobile and immobile dwellings which includes a plurality of telescopic assemblies. The telescopic assemblies include at least two tube members that are provided with enclosed sides and a centrally located internal channel structure that is parallel to and proximal to a center of the tube members, though which internal channel structures one of a plurality of spring elements extends. A mechanism extends and retracts the spring elements thereby causing the telescopic assemblies to extend and retract.

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