Implements or apparatus for applying pushing or pulling force – Fluid pressure – Vehicle attached
Reexamination Certificate
2005-03-01
2005-03-01
Watson, Robert C. (Department: 3723)
Implements or apparatus for applying pushing or pulling force
Fluid pressure
Vehicle attached
C254S13300A, C254SDIG001, C254SDIG003, C254SDIG004
Reexamination Certificate
active
06860470
ABSTRACT:
A pneumatic monopod hoist that functions as a personal lifting aid. The hoist is light in weight to allow for hand transport and is sized to be used in constrained areas, such as within an aircraft fuselage. The hoist has operating controls located directly upon the housing and may be positioned at varying angles relative to a support surface, such as a floor, to provide optimum load support. The housing and the operating controls are further configured such that the housing can be held in an upright orientation with only a single hand, while the controls are activated with the same hand.
REFERENCES:
patent: 2146403 (1939-02-01), Nilson
patent: 3534659 (1970-10-01), Payson
patent: 3552267 (1971-01-01), Bushnell, Jr.
patent: 4523512 (1985-06-01), Hessel et al.
patent: 4572480 (1986-02-01), Heintzmann et al.
patent: 4715760 (1987-12-01), Browning
patent: 5099748 (1992-03-01), Neubauer
patent: D338310 (1993-08-01), Clarke
patent: 20020056360 (2002-05-01), Shteynberg
Telpro Inc., PANLIFT Brand Mode 138-2 Wallboard Lift found at: www.contractorstools.com/telpanlift.html.
Genie Super Hoist found at: www.genielift.com/ml-series/ml-l-la.html.
T-JAK found at: www.tjak.com/tools.html.
Amell John R.
Schaefer Karl J.
Harness & Dickey & Pierce P.L.C.
The Boeing Company
Watson Robert C.
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