Title:
LOCKING STRUCTURE FOR BOLT WITH HEAD
Document Type and Number:
WIPO Patent Application WO/2017/082223
Kind Code:
A1
Abstract:
[Problem] Using a simple operation, to reliably prevent loosening caused by vibration or the like when a bolt with a head is threaded in. [Solution] A locking structure for a bolt with a head, in which a bolt 1 with a head is passed through a bolt hole 22 in an upper member 21 and threaded into a lower member 24, two pins 7 of a pin support panel are then passed through two drill holes 5 of a bolt head part 2 and lowered toward an entrance angle part 23 of the bolt hole 22, after which a press-down small bolt 14 is threaded into a small threaded hole 6, the two pins 7 of the pin support panel are firmly pressed down, cuneate cutting plates 9 at the tips of the pins 7 are caused to cut into the entrance angle part 23 of the bolt hole 22, and the bolt with a head is stopped from rotating.
Inventors:
OOTA RYOUZOU (JP)
Application Number:
PCT/JP2016/083018
Publication Date:
May 18, 2017
Filing Date:
November 08, 2016
Export Citation:
Assignee:
OOTA RYOUZOU (JP)
International Classes:
F16B39/06; F16B15/00; F16B39/24; F16B43/00
Foreign References:
| GB1224343A | 1971-03-10 | |||
| US2783811A | 1957-03-05 |
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