Joint mechanism

Details Joint mechanism Joint mechanism

2011-07-05

2011-07-05

Krause, Justin (Department: 3656)

Machine element or mechanism

Control lever and linkage systems

Multiple controlling elements for single controlled element

C901S048000

Reexamination Certificate

active

07971503

ABSTRACT:
There is provided a joint mechanism constituted by a base1, a turning base4provided above the base and rotated, and an arm6a lower end portion is pivotably supported by the turning base, in which a speed reducer2for rotating the turning base is provided at inside of the base, a counterbalance system10constituted by a cylinder7pivotably supported above the turning base and filled with a lubricant, a piston8provided in a hermetically sealed state slidably in a longitudinal direction at inside of the cylinder, and a piston rod9one end portion of which is connected to the piston and other end portion of which is connected to the arm6is provided, the speed reducer and the cylinder of the counterbalance system are connected and a lubricant of the speed reducer is introduced into the cylinder.

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patent: 2005-319550 (2005-11-01), None

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