Top lift system for pop-up campers

Details Top lift system for pop-up campers Top lift system for pop-up campers

1996-08-02

1998-06-23

Kramer, Dean

Land vehicles: bodies and tops

Bodies

Camper

296 27, 296173, B60P 3355

Patent

active

057694850

ABSTRACT:
An improved lift mechanism for raising and lowering the tops of pop-up tent campers and similar vehicles. The mechanism of the present invention is used to simultaneously raise or lower a pair of telescoping support posts that connect the extendable top to the body, and includes a pair of guide housings that connect to the telescoping posts. A pair of substantially incompressible flexible springs is slidably disposed within the guide housings, and a drive cable extends between the guide housings and connects the flexible springs so that movement of one of the springs produces a simultaneous movement of the other spring. A block housing having an internal pulley is attached to each end of the guide housings, so that a single drive cable can be used to activate both of the flexible springs at once.

REFERENCES:
patent: 3506300 (1970-04-01), Remmert
patent: 3507535 (1970-04-01), Wallace
patent: 3528698 (1970-09-01), Miller
patent: 3885826 (1975-05-01), Kropf
patent: 3972544 (1976-08-01), Soot
patent: 3981529 (1976-09-01), Bontrager
patent: 4171843 (1979-10-01), Steury
patent: 4738155 (1988-04-01), Stocker
patent: 5246303 (1993-09-01), Trilla et al.
patent: 5295408 (1994-03-01), Nagle et al.
patent: 5570611 (1996-11-01), Pospisil et al.

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