JPH02110474U

JPH02110474U -

Info

Publication number: JPH02110474U
Application number: JP1930389U
Authority: JP
Priority date: 1989-02-21
Filing date: 1989-02-21
Publication date: 1990-09-04

Description

[Brief explanation of drawings]

第１図は、本考案の実施例のラチエツトメガネ
レンチの斜視図である。第２図は、第１図のレン
チ部の平面図で首部の一部断面を示す図である。
第３図は、第４図の側面図である。第４図は、従
来のラチエツトメガネレンチの斜視図である。第
５図は、第４図の平面図でレンチ部の一部断面を
示す図である。１……ラチエツト、１ａ……ラチエツト外歯、
１ｂ……ラチエツト内歯、２……爪切替用リング
、３……ラチエツト爪、３ａ……ラチエツト左端
部、３ｂ……ラチエツト右端部、４……球、５…
…スプリング、６……柄、７……レンチの側壁、
８……首部の孔、９ａ……ラチエツト爪３の左端
部突起、９ｂ……ラチエツト爪３の右端部突起、
１０ａ，１０ｂ……ラチエツト爪の溝、１１……
Ｃリング、Ａ，Ｂ……左右のレンチ部、１２……
従来のラチエツトの外歯、１３……ラチエツト爪
、１３ａ……ラチエツト爪の左側端部、１３ｂ…
…ラチエツト爪の右側端部、１５……スプリング
、１６……柄、１７……レンチ側壁、１８……従
来のラチエツト。 FIG. 1 is a perspective view of a ratchet box wrench according to an embodiment of the present invention. FIG. 2 is a plan view of the wrench portion of FIG. 1, showing a partial cross section of the neck portion.
FIG. 3 is a side view of FIG. 4. FIG. 4 is a perspective view of a conventional ratchet box wrench. FIG. 5 is a plan view of FIG. 4 showing a partial cross section of the wrench portion. 1...Rachiet, 1a...Rachiet external tooth,
1b... Ratchet internal tooth, 2... Pawl switching ring, 3... Ratchet claw, 3a... Ratchet left end, 3b... Ratchet right end, 4... Ball, 5...
...Spring, 6...Handle, 7...Wrench side wall,
8... Neck hole, 9a... Left end protrusion of ratchet claw 3, 9b... Right end protrusion of ratchet claw 3,
10a, 10b...Ratchet pawl groove, 11...
C ring, A, B... left and right wrench parts, 12...
External teeth of conventional ratchet, 13... Ratchet claw, 13a... Left end of ratchet claw, 13b...
... Right end of ratchet pawl, 15... Spring, 16... Handle, 17... Wrench side wall, 18... Conventional ratchet.

Claims

[Scope of utility model registration request]

In a ratchet trench in which the tightening direction is selected by switching the position of the ratchet claw relative to the ratchet tooth, the ratchet claw provided at the neck of the ratchet trench is rotatably provided along the outer peripheral side wall of the ratchet tooth. 1. A ratchet trench according to claim 1, characterized in that said ratchet claw is switched by a claw switching ring having a notch that holds both ends of said ratchet claw.