JPS5964894U

JPS5964894U - Futsk block

Info

Publication number: JPS5964894U
Application number: JP15971282U
Authority: JP
Inventors: 山岡　義知
Original assignee: 株式会社明電舎
Priority date: 1982-10-22
Filing date: 1982-10-22
Publication date: 1984-04-28
Also published as: JPS63712Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図はこの考案に係るフックブロックの従来技術を示
す一部破断側面図、第２図はこの考案に係るフックブロ
ックの正面図、第３図は一部を破断した第２図の側面図
、第４図はこの考案の要部の一部拡大断面図である。１６・・・フック、１７・・・支軸、２２・・・保護カ
バー、２２ａ・・・内側カバー、２２ｂ・・・外側カバ
ー、２４・・・シーブ、２４ａ・・・ロープ溝、２７・
・・ワイヤロープ、３１・・・締結具、３３・・・弾機
、３４・・・ハンドル部、３５・・・ストッパー。Fig. 1 is a partially cutaway side view showing a conventional hook block according to this invention, Fig. 2 is a front view of the hook block according to this invention, and Fig. 3 is a partially cutaway side view of Fig. 2. , FIG. 4 is a partially enlarged sectional view of the main part of this invention. 16... Hook, 17... Support shaft, 22... Protective cover, 22a... Inner cover, 22b... Outer cover, 24... Sheave, 24a... Rope groove, 27...
... Wire rope, 31 ... Fastener, 33 ... Bullet machine, 34 ... Handle part, 35 ... Stopper.

Claims

[Scope of utility model registration request]

A hook is rotatably suspended around the shaft at the center of the support shaft, and a sheave for hanging and rotating a wire rope for lifting and lowering the hook is rotatably supported on both sides of the support shaft,
In the hook block in which a two-part protective cover consisting of an inner cover piece and an outer cover piece is disposed around the periphery of each sheave, the position of the joint between the inner cover piece and the outer cover piece is set at a position inward of the center position of the rope groove in the seam, and the outer cover piece is connected to the support shaft via a fastener with an operating handle screwed onto the shaft end shaft center of the support shaft. A control mechanism is provided for regulating the movement of the outer cover piece on the support shaft to a predetermined amount; A hook block characterized in that it is equipped with a mechanism for constantly pressing and biasing the support shaft in the direction of the shaft end.