Title:
JOINT FITTING DEVICE FOR SEAT HAVING ADJUSTABLE BACK REST
Document Type and Number:
Japanese Patent JP3650941
Kind Code:
B2
Abstract:
PURPOSE: To conquer blank strokes in an adjustment period and to enable prevention effective of the chattering noise during driving by equipping a resistant member whose entrainer functions to a torsion spring.
CONSTITUTION: An entrainer at the joint part of a backrest side is connected to a resistant member 30, which is linked and effectible to a torsion spring 25. The resistant member 30 is comprised of a cum-protrusion 31 installed on the periphery of an entraining arm 22 of the entrainer. A dent 32 of the torsion spring 25 is supported by the cum-protrusion 31. An idle clearance 33, between the entraining arm 22 and a short piece of an arc-shaped wedge piece 24, can be covered without chattering by the entraining arm 22, which is being taken and kept by the short piece of the arc-shaped wedge piece 24 by a inclined plane of the dent 32. And, when the entraining arm 22 is rotated clockwise, the idle clearance 33 is supplied by a spring function aroused from the cum protrusion 31, which rotates under the dent 32 of the torsion spring 25.
Inventors:
Grit Schort
Derek Angerman
Torsten Nottebaum
Derek Angerman
Torsten Nottebaum
Application Number:
JP10773295A
Publication Date:
May 25, 2005
Filing Date:
March 29, 1995
Export Citation:
Assignee:
Kappel Geselsyaft Mitz Besilyenktel Haftung und Company-
International Classes:
A47C1/025; B60N2/225; (IPC1-7): A47C1/025
Domestic Patent References:
| JP3021237U | ||||
| JP4128644U |
Foreign References:
| US5005907 | ||||
| US5312158 |
Attorney, Agent or Firm:
Osamu Nakahira
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