Extendable arm and structure using the same

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United States of America Patent

PATENT NO 9316350
APP PUB NO 20150300560A1
SERIAL NO

14421712

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Abstract

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An extendable arm (30) is formed by a plurality of cross units (31) arranged in one direction and pivotally coupled to each other, and each of the cross units is formed by two rigid members (31a, 31b) that are pivotally coupled at a central coupling point (c) so as to cross over each other to form an X-shape. In order for the extendable arm (30) to follow a curved-line path when being extended and contracted, each of the rigid members (31a, 31b) has such a curved shape that coupling points (d, e) at both ends of the rigid member are shifted toward one side from a longitudinal axis passing through the central coupling point (c).

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Patent Owner(s)

Patent OwnerAddress
FUJIMIYASEISAKUSHO CO LTDARAO-SHI KUMAMOTO 864-0025

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsuoka, Norimichi Kumamoto, JP 12 54

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