B - Operations – Transporting – 66 – F
Patent
B - Operations, Transporting
66
F
254/110
B66F 1/00 (2006.01) B66F 1/08 (2006.01) B66F 5/04 (2006.01)
Patent
CA 2003341
ABSTRACT OF THE DISCLOSURE A two-part jack system includes a mechanical jack stand with a ratchet mechanism and a ratchet release, and a power unit that may be selectively aligned with and attached to the jack stand for raising or lowering it. A unitary control mechanism carried by the, power unit is adapted to selectively lock the power unit in an aligned position relative to the jack stand, and also to selectively release the ratchet release of the jack stand. A locking mechanism is carried in part by the jack stand and in part by the power unit. The unitary control mechanism has three different operating positions. In one operating position the locking mechanism is kept locked while the ratchet release is left in an unreleased state; in a second operating position the locking mechanism is kept locked while the ratchet release is released; and in the third operating position locking mechanism is held in an unlocked condition while the ratchet release is left in an unreleased state. The power unit has an operating handle, and a single lever which operates the unitary control mechanism is carried on the power unit operating handle for convenient access and easy control by a human operator.
Arzouman Harry
Slay Clyde E.
Arzouman Harry
Gowling Lafleur Henderson Llp
Safe-T-Jack Inc.
Slay Clyde E.
LandOfFree
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