Self erecting zipper lift

Details Self erecting zipper lift Self erecting zipper lift

2008-07-25

2011-12-06

Mansen, Michael (Department: 3654)

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific load support drive-means or its control

C254S097000, C254S13300A

Reexamination Certificate

active

08069954

ABSTRACT:
A zipper style lift that coils into a box for storage, but extends to form a rigid, self erecting lift part. The lift stores itself in a housing when retracted, by retracting chain parts into a spiral form.

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