Tailgate door assist

Details Tailgate door assist Tailgate door assist

2006-12-29

2009-11-10

Lyjak, Lori L (Department: 3612)

Land vehicles: bodies and tops

Bodies

End gates

C296S050000

Reexamination Certificate

active

07614679

ABSTRACT:
An apparatus for assisting with the handling of a door of a tailgate cart features two springs that are strung in seriatim. The first spring is connected at one end to the tailgate door, and connects to the second spring at its other end. The second spring is anchored at a distal end to the frame of the tailgate cart. The first spring has a shorter length than the second spring. As the tailgate door is pivotally lowered from its upright position, the shorter spring moves in tension providing a matching small force. As the tailgate door reaches the end of its travel, the second spring adds its compressive force to the first spring, and a greater force is provided to counterbalance the door.

REFERENCES:
patent: 7029050 (2006-04-01), Johnson et al.

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