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Patent Searching and Data


Title:
SUSPENSION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2014/064498
Kind Code:
A3
Abstract:
A suspension apparatus includes: a cylinder (21) connected to one of a sprung member and an unsprung member, an interior space of the cylinder (21) being partitioned into a piston upper chamber (39) and a piston lower chamber (40); a piston (22) connected to the other of the sprung member and the unsprung member; an expansion side friction member (44) configured to damp a movement of the piston (22), a force of the expansion side friction member (44) for damping the movement of a piston (22) being increased by exerting a pressure of the piston upper chamber (39) on the expansion side friction member (44); and a contraction side friction member (45) configured to damp the movement of the piston (23), a force of the contraction side friction member (45) for damping the movement of the piston (22) being increased by exerting a pressure of the piston lower chamber (40) on the contraction side friction member (45).

Inventors:
TABATA, Masaaki (of 1 Toyota-cho,Toyota-sh, Aichi-ken ., 471-8571, JP)
Application Number:
IB2013/002296
Publication Date:
July 10, 2014
Filing Date:
October 16, 2013
Export Citation:
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Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA (1 Toyota-cho, Toyota-shiAichi-ken, 471-8571, JP)
TABATA, Masaaki (of 1 Toyota-cho,Toyota-sh, Aichi-ken ., 471-8571, JP)
International Classes:
F16F9/36; F16F7/09
Foreign References:
US2928507A1960-03-15
EP0465887A11992-01-15
FR2164158A51973-07-27
US4979595A1990-12-25
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