HOLLOW OPERATING LEVER AND METHOD FOR MANUFACTURING SAME

WIPO Patent Application WO/2015/005285

A1

To provide a hollow operating lever which has good operability and can be easily manufactured, a hollow operating lever (4) has a hollow shape by being formed by joining ends (W1, W2) of a material to be worked (W) that is a flat plate to each other, also has a bent shape bent as viewed from a crossing direction crossing a joint surface of a joint portion (31) formed by joining the ends to each other, and is rotatable with respect to a support shaft (3), the hollow operating lever being characterized by comprising a first wall (10) which is provided on the recessed side of the bent shape and located on the operating surface side on which rotation force (F) for rotation acts, a pair of second walls (20) in which holes (21) through which the support shaft is inserted are coaxially provided and which are bent from and continuous with both ends of the first wall, a third wall (30) which is provided to face the first wall and connects the pair of second walls via the joint portion, and a dent (13) which is provided in a bent portion (12) of the bent shape of the first wall and dented along a direction from the first wall to the third wall.

FUKUI HIROKI (JP)
TOYAMA NOBORU (JP)
ISHIZUKI MASAHARU (JP)
KUROI YUTAKA (JP)
UENO MASAKI (JP)

PCT/JP2014/068062

January 15, 2015

July 07, 2014

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YOROZU JIDOSHA KOGYO KK (JP)

G05G1/30; B21D5/01; B21D7/06; B21D19/08; B21D47/04; B21D53/88

WO2012124735A1

2012-09-20

JP2003053462A	2003-02-26
JP2011227738A	2011-11-10
JP2000263169A	2000-09-26

HATTA & ASSOCIATES (JP)
Hatta international patent business corporation (JP)

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