Title:
HOOK FOR SAFETY BELT FOR HIGH-PLACE WORK
Document Type and Number:
Japanese Patent JP2017108822
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a hook configured to be smoothly locked to a fixing structure and removed therefrom.SOLUTION: A stopper 6 turns around a pin 9. A handle 10 turns around a pin 11. The handle and the stopper are connected by a guide groove 12 of the handle and a guide pin 13 of the stopper. A lock lever 14 turns around a pin 17. The pin 9 is inserted into a long hole 14d of the lock lever. The lock lever and the handle are respectively energized by springs 19 and 20. The stopper is normally engaged with an engagement step part 18 of the lock lever, the guide pin is located at a first portion 12a of the guide groove, and the stopper is double-locked at a closed position. In use, the handle and an operation part of the lock lever are held by a hand, after the first lock of the stopper is first unlocked by turning of the lock lever, a second lock of the stopper is unlocked by turning of the handle, and the stopper turns to an open position.SELECTED DRAWING: Figure 3
Inventors:
FUKUI HIROAKI
FUKUI HIROTAKA
HASE NAOYUKI
FUKUI HIROTAKA
HASE NAOYUKI
Application Number:
JP2015244133A
Publication Date:
June 22, 2017
Filing Date:
December 15, 2015
Export Citation:
Assignee:
POLYMER GEAR KK
International Classes:
A62B35/00; F16B45/02
Domestic Patent References:
| JPH0562270U | 1993-08-20 | |||
| JPS4823858U | 1973-03-19 | |||
| JPS4919160U | 1974-02-18 | |||
| JP2015012914A | 2015-01-22 | |||
| JPH0731687A | 1995-02-03 |
Foreign References:
| US20140110956A1 | 2014-04-24 |
Attorney, Agent or Firm:
Patent Business Corporation Minori Patent Office