Portable scissor-lift-assembly

Details Portable scissor-lift-assembly Portable scissor-lift-assembly

2006-08-22

2006-08-22

Matecki, Kathy (Department: 3654)

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific load support drive-means or its control

Includes scissored supporting levers in drive-means

C187S211000, C187S244000, C187S271000, C187S406000, C182S069500, C182S069600, C182S131000, C414S444000, C108S106000, C108S109000, C108S149000, C108S151000, C108S179000, C280S047340, C280S047350

Reexamination Certificate

active

07093691

ABSTRACT:
A lift assembly includes a first platform provided with a top surface, a pair of opposed sides, and wheels and brackets connected to one of the sides for rotating the assembly. A plurality of rectilinear support shafts have opposed end portions conjoined to the platform and extending upwardly therefrom, and are spaced at opposed corners of the platform. Inverted U-shape guide rails are telescopically engageable along a length of the support shafts and have a pair of rectilinear regions slidably positionable about the support shafts. A second platform is provided with top and bottom surfaces, and apertures formed at opposed corners thereof that are vertically registered with the support shafts. A lifting mechanism is included for vertically biasing the second platform and the guide rails along the support shafts. The lifting mechanism is connected to the top surface of the first platform and the bottom surface of the second platform.

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patent: 2001/0040233 (2001-11-01), Chamberlain

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