F - Mech Eng,Light,Heat,Weapons – 16 – F
Patent
F - Mech Eng,Light,Heat,Weapons
16
F
F16F 15/22 (2006.01) B25J 5/02 (2006.01) B25J 19/00 (2006.01) B66C 23/00 (2006.01)
Patent
CA 2044090
LOAD BALANCING MECHANISM ABSTRACT A load balancing mechanism (10) disclosed includes an arm (12) including first and second arm portions (14,26). A support post (22) is rotatable about its vertical axis A and supports arm (12) by first arm portion (14) for pivotal movement in a vertical plane and also for rotational movement about axis A. First arm portion (14) includes parallel spaced members (16,16') defining a parallel linkage arrangement. A piston and cylinder balancing arrangement (38) connects post (22) and first arm portion (14) allowing upward and downward pivotal movement of arm (12) and is responsive to such upward and downward pivotal movement to provide balancing of a load thereon. The second arm portion (26) can be longitudinally moved relative to a second mount (32) to increase or decrease the length of arm (12) without having to change the force applied via balancing arrangement (38) to maintain balancing of the load.
Tanchida Joseph G.
Warner William G.
Macrae & Co.
Protomark Corporation
LandOfFree
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