| CPC F16M 11/10 (2013.01) [B25J 18/00 (2013.01); F16M 2200/041 (2013.01)] | 5 Claims |
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1. An assist device, comprising:
an upper extremity support capable of detachably supporting an upper extremity of a worker and generating an assist force counteracting a gravitational force acting on the upper extremity,
a body attachable to a back side of the worker;
at least one connector connecting the body and the upper extremity support;
an axial support; and
a first elastic member, wherein
the connector and the upper extremity support are supported by the axial support to be rotatable,
the connector and the upper extremity support are connected through the first elastic member at a position other than the axial support, and
the first elastic member urges the upper extremity support towards the connector when the assist is off,
the assist device enables the upper extremity support to move to and be kept outside an area in which work is executable by the upper extremity with an assist being off,
at least a first end of the first elastic member is fixed to a first one of the first upper extremity support or the connector,
when the upper extremity support is pivotally moved about the axial support as a pivot point, a position of a second end of the first elastic member is changeable on a second upper extremity support and the connector to approach the axial support, and
a second one of the upper extremity support or the connector further includes a fixed part, a movable part, and a second elastic member connecting the fixed part and the movable part, and the second end of the first elastic member is attached to the movable part.
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