HYDRAULIC SHOCK ABSORBER AND DAMPING FORCE GENERATOR
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Aug 9, 2012
app pub date -
Feb 1, 2012
filing date -
Feb 9, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A hydraulic shock absorber includes: a dividing member dividing a closed space and having a communicating passage for communicating divided spaces; a valve covering an open end of the communicating passage; a bolt penetrating through the dividing member and the valve; and a nut fastening the dividing member and the valve together with the bolt. The bolt or the nut has a head fitted with an industrial tool, and a base end arranged on a valve side beyond the head to contact with the valve and including an extending part extending outside an outer shape of the head in a radial direction, a facing part of the base end facing the valve comes into contact with the valve at a position inside an outermost end of the extending part in the radial direction, and an outer region outside a contact part does not come into contact with the valve.
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