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Title:
STRUCTURE OF THUMB-TURN SEAT
Document Type and Number:
Japanese Patent JP2010127009
Kind Code:
A
Abstract:

To facilitate work of attaching a thumb-turn seat even if the straight line connecting attaching holes of the thumb-turn seat is oblique and the thumb-turn seat has a deformed shape projected to a door face.

The structure of the thumb-turn seat comprises: a first base plate 15 of a circular thick plate with a thumb-turn guiding hole opened in the center, which includes a pair of attaching bars 17, 17 protruding from the outer circumferential part on one face thereof and forming a female screw hole formed in the tip end of each of the bars; and a second base plate 19 made of a thick plate of a deformed shape projected to the door face, which includes a bottomed first-base-plate guiding hole formed in the indoor side in the thickness direction and turnably fitted to the first base plate. A pair of circular arc shaped angle restricting openings 23 are formed symmetrically to each other about the center axis in the outer circumference of the bottom face of the first-base-plate guiding hole in the second base plate. The first base plate is fitted in the first-base-plate guiding hole by inserting the individual attaching bars of the first base plate in the angle restricting openings, and is brought to correspond to angular positional changes of the attaching holes of the thumb-turn seat by turning the first base plate.


Inventors:
NAKAMURA TATSUYA
Application Number:
JP2008000303216
Publication Date:
June 10, 2010
Filing Date:
November 27, 2008
Export Citation:
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Assignee:
MIWA LOCK KK
International Classes:
E05B15/02; E05B9/08; E05B55/04; E05B63/04; E05B65/06
Domestic Patent References:
JPS59104938U1984-07-14
Attorney, Agent or Firm:
飯田 岳雄