Multi-joint bending structure and wearable device using multi-joint bending structure
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United States of America Patent
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Feb 14, 2017
Grant Date -
Aug 13, 2015
app pub date -
Jan 23, 2015
filing date -
Feb 7, 2014
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Abstract
A multi-joint bending structure includes: a first-band-piece including joint potions on both ends; bending-units enabling the multi-joint-bending-structure to change in position between a straight state and a bent state; a third-band-piece including a joint potion provided on one end, the joint portion connected to the joint potion of the end of one of the bending-units; one pair of two linear bodies, each of the linear bodies having one end fixed to the housings and another end movable along the housings; and an assisting-force-generation-mechanism provided at predetermined opposed positions of the pair of two linear bodies and configured to generate assisting force, wherein the assisting-force-generation-mechanism includes rod-like bodies, a contracting-elastic-body inserted into the gap, and two piece members which both the ends of the overlapping potions energized by the piece members switch over, and the contracting force of the elastic-body acts as the assisting force between both the ends.
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