Title:
SUPPORT BOLT FASTENER
Document Type and Number:
Japanese Patent JP2019190647
Kind Code:
A
Abstract:
To provide a compact support bolt fastener that can be attached to the support bolt easily and can be manufactured easily.SOLUTION: This invention relates to a fastener 5 in which a cylinder 7 is provided with an upper part 7a on which a bolt insertion hole 9 through which a support bolt 4 is inserted is provided by boring and a storing chamber 8 having a plurality of annular piece members 6 divided in a peripheral direction, the storing chamber 8 is formed with a tapered face 8a slanted toward a center of the bolt insertion hole 9, each of outer peripheral surfaces 6a of the piece members 6 is abutted against the tapered face 8a, an inner peripheral face 6b against the outer peripheral face 6a of the piece member 6 is provided with an irregularity part 61 fitted to a helical male screw 4a of the support bolt 4, a lower part 7b of the outer peripheral face 6a of the piece member 6 has a punched groove 10 bored thereon, an elastic ring 11 for applying elastic force in a direction to decrease a diameter of the piece member 6 is fitted in the groove 10, and a width B of the groove 10 in a vertical direction is made larger than a diameter of the elastic ring 11 in such a way that the elastic ring 11 can be moved in an axial direction.SELECTED DRAWING: Figure 2
Inventors:
SUZUKI YASUYUKI
ARA HITOSHI
ARA HITOSHI
Application Number:
JP2018092576A
Publication Date:
October 31, 2019
Filing Date:
April 23, 2018
Export Citation:
Assignee:
SUZUKI YASUYUKI
TECHNOCRAT KK
TECHNOCRAT KK
International Classes:
F16B37/10; F16B1/00; F16B33/02; F16B39/30