B - Operations – Transporting – 66 – F
Patent
B - Operations, Transporting
66
F
B66F 7/06 (2006.01) B65G 1/07 (2006.01)
Patent
CA 2152203
A scissor lift has a pair of leg assemblies pivotally connected to a base. Relative movement between the legs and the base is opposed by spring assemblies that may be selectively connected to a carriage to vary the bias on the legs. A cam member secured to the leg acts on the carriage to modify the motion between the leg and the carriage to maintain a uniform vertical spring rate.
Cooke Gary
Pedersen Paul
Rowan Richard T.
Sutherland Leonard G.
Blake Cassels & Graydon Llp
Pentalift Equipment Corporation
LandOfFree
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