Device for absorbing floor-landing shock for legged mobile...

Details Device for absorbing floor-landing shock for legged mobile... Device for absorbing floor-landing shock for legged mobile...

2008-05-27

2008-05-27

Donovan, Lincoln (Department: 2837)

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

C318S567000

Reexamination Certificate

active

10499116

ABSTRACT:
A landing shock absorbing device18disposed in a foot mechanism6of a leg of a robot, wherein an inflatable bag-like member19(variable capacity element) is provided at a bottom face side of the foot mechanism6. The bag-like member19is constructed of an elastic material such as rubber. The air in atmosphere may flow into and out of the bag-like member19by inflow/outflow means20equipped with a solenoid valve27, and the like. In a lifting state of the foot mechanism6, inflow of the air into the bag-like member19is controlled, thereby controlling the final height of the bag-like member19in an inflated state to the height in response to a gait type of the robot. While properly reducing an impact load during a landing motion of the leg of a legged mobile robot depending on the gait type of the robot, stability of a posture of the robot may easily be secured, resulting in allowing a configuration to be lighter in weight.

REFERENCES:
patent: 4616848 (1986-10-01), Sugasawa et al.
patent: 5455497 (1995-10-01), Hirose et al.
patent: 05-305578 (1993-11-01), None
patent: 06-039755 (1994-02-01), None
patent: 10-277969 (1998-10-01), None
patent: 11-033941 (1999-02-01), None
patent: 11-320461 (1999-11-01), None

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