JPS58175893U

JPS58175893U - crank device

Info

Publication number: JPS58175893U
Application number: JP7208882U
Authority: JP
Inventors: 滋河原
Original assignee: 株式会社プレス技術研究所
Priority date: 1982-05-17
Filing date: 1982-05-17
Publication date: 1983-11-24

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図は従来のクランク装置の説明図、第２図は本考案
の実施例を示す縦断面図、第３図は第２図のｍ−ｍ線断
面図である。１・・・スライダー　２・・・偏心ブロック、３・・・
コネクションロッド、４・・・回転軸、５・・・偏心ク
ランク、６・・・調整ネジ、１０・・・ガイド軸、１９
・・・機枠、２０・・・調整ハンドル、２８・・田ツク
機構。FIG. 1 is an explanatory diagram of a conventional crank device, FIG. 2 is a longitudinal sectional view showing an embodiment of the present invention, and FIG. 3 is a sectional view taken along line mm in FIG. 1...Slider 2...Eccentric block, 3...
Connection rod, 4... Rotating shaft, 5... Eccentric crank, 6... Adjustment screw, 10... Guide shaft, 19
... Machine frame, 20 ... Adjustment handle, 28 ... Tatsuku mechanism.

Claims

[Scope of utility model registration request]

An eccentric crank 5 is rotatably provided on the machine frame 19, an eccentric block 2 is provided on the eccentric crank 5 so that the amount of eccentricity can be adjusted via an adjustment screw 6, and the eccentric block 2 and the slider 1 are connected by a connection rod 3. In the crank device, the machine frame 19 has an adjustment handle 20 that can freely move forward and backward with respect to the eccentric crank 5 and that can be engaged to rotate the adjustment screw 6 when the adjustment handle 20 is advanced. A crank characterized in that it is provided with lock mechanisms 2 and 8 that allow its rotation and prevent it when it is moved backward, and that an indicator 34 that displays the amount of rotation is connected to the adjustment handle 20. Device.