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Patent Searching and Data


Title:
FASTENING DEVICE
Document Type and Number:
Japanese Patent JP2002339924
Kind Code:
A
Abstract:

To provide a fastening device facilitating the connecting work, having a high connecting strength, and being invisible from the outside so as to improve a respectable appearance.

This fastening device is provided with a pair of spherical nuts 11 and 12 having tooth shapes on their opposite surfaces, fastening device body 13 rotatably supporting them respectively, and a fastening bolt 14 having a male screw part 14a and a key groove 14b in the longitudinal direction in the outer circumference. The male screw part 14a of the fastening bolt 14 is threadly engaged with a female screw of the spherical nut 11, a key of the spherical nut 12 is inserted into the key groove of the fastening bolt 14, and the fastening bolt 14 is disposed orthogonally to the fastening device body 13 so as to be embedded in a first member. The fastening bolt 14 is rotated and moved axially by a first bit geared with the tooth shapes of the both spherical nuts, the tip part is geared with a receiver nut fixed to a second member, rotated reversely to the first bit by a second bit 20 rotating the spherical nut 11 alone so that the first member and the second member are tensioned and fastened.


Inventors:
MARUYAMA SUMIO
Application Number:
JP2001142748A
Publication Date:
November 27, 2002
Filing Date:
May 14, 2001
Export Citation:
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Assignee:
KENCHIKU KOBO KK U
International Classes:
E04B1/58; F16B7/18; F16B9/02; F16B35/00; F16B37/00; F16B37/04; (IPC1-7): F16B7/18; E04B1/58; F16B9/02; F16B35/00; F16B37/00; F16B37/04
Attorney, Agent or Firm:
Kenzo Fukuda (2 outside)