G - Physics – 01 – L
Patent
G - Physics
01
L
G01L 1/02 (2006.01) B66C 23/90 (2006.01) B66F 17/00 (2006.01)
Patent
CA 2069471
The present invention comprises a hydraulic sensing means to be used in connection with a worm/worm wheel gear arrangement for articulating a boom mounted on a vehicle. A hydraulic chamber on each side of the worm is formed by a bearing retainer and a piston. A worm thrust in the direction of either hydraulic chamber increases the fluid pressure in that particular chamber, which causes the fluid pressure in a closed hydraulic circuit to increase. The pressure increase is sensed by a fluid pressure gauge which sends a signal and/or terminates input power to the worm if the increase in fluid pressure is above a predetermined pressure.
Ball Harold M.
Mundis James W.
Oyen Wiggs Green & Mutala Llp
Paccar Inc.
LandOfFree
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