Title:
DAMPER FOR HYDRAULIC BUFFER
Document Type and Number:
Japanese Patent JP3199289
Kind Code:
B
Abstract:
PURPOSE: To ensure slide ability and the liquidtight ability of each slide part without needing high-degree machining and assembly precision in addition to structure wherein an oil pressure during hydraulic lock is cut off.
CONSTITUTION: A hydraulic buffer 1 comprises an expansion contraction cylinder 2; a damper 3; and a suspension spring 2c. The damper 3 comprises a damper cylinder 5 with a built-in piston; and a piston rod 6 moved forward to and backward from a rod guide part 5a and coupled to a piston. An oil lock fit-in part 7 is protruded from the lock guide part 5a and a check valve 7b is eccentrically disposed to the inner peripheral side of a valve holding part 7c on the tip side thereof. A hole 7e through which the inside and the outside of rod guide part are intercommunicated is formed on the rod guide part 5a side of the oil lock fit-in part 7.
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Inventors:
Kajino, Tsutomu
Application Number:
JP1992000326059
Publication Date:
June 15, 2001
Filing Date:
November 11, 1992
Export Citation:
Assignee:
SHOWA:KK
International Classes:
B60G13/08; B62K25/06; F16F9/49; B60G13/00; B62K25/06; F16F9/48; (IPC1-7): F16F9/49
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