B - Operations – Transporting – 66 – F
Patent
B - Operations, Transporting
66
F
B66F 3/24 (2006.01) B66F 5/02 (2006.01) B66F 5/04 (2006.01)
Patent
CA 2353780
A manually operated zero-load rapid lifting hydraulic jack has a lifting arm and a lever which are connected properly together by contacting one another. As a contact way of the jack lifting arm and the lever, a lifting arm is formed with an integral receiver portion, which could be in the form of a receiving hole, a receiving tube, a receiving block or any infinite variety of receiver configurations, there by, one end of the lever can be inserted into or locate over those receivers as described above. Thereby, in zero load, as the lever being pressed downwards and the lifting arm axle serving as a fulcrum to drive the lifting arm to move upwards rapidly to a position of contacting with a lift point.
Robic
Shinn Fu Corporation
LandOfFree
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