JPS6126112U - Tightening device in fine movement device of surveying machine - Google Patents

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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案の実施例を示す部分縦断平面図、第２
図はこの考案の他の実施例を示す部分縦断平面図である
。 １・・・本体ケーシング、５・・・作動アーム、１２・
・・緊締力導入軸、１６・・・微動軸、１７・・・緊締
軸、２０′・・・ネジ穴、２１・・・微動摘まみ、２２
・・・微動内軸、３３・・・自在継手。Fig. 1 is a partial longitudinal sectional plan view showing an embodiment of this invention;
The figure is a partial longitudinal sectional plan view showing another embodiment of this invention. 1... Main body casing, 5... Operating arm, 12.
...Tightening force introduction shaft, 16...Fine movement axis, 17...Tightening shaft, 20'...Screw hole, 21...Fine movement knob, 22
...Fine adjustment inner shaft, 33...Universal joint.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 本体ケーシングに設けたネジ孔にねじ込まれ、後端に微
動摘まみを設けた中空管状の微動軸と、前記微動軸内に
挿嵌され、この微動軸と一体に進退可能で、軸芯回りに
は回転を制せられた中空管状の微動内軸と、前記微動内
軸内にねじ込まれ、後端に前記微動摘まみよりも外径が
小さい緊締摘まみを設け、かつ先端に自在継手を介して
作動アームの緊締力導入軸に連結した緊締軸とからなる
ことを特徴とする測量機械における微動装置。A hollow tubular fine movement shaft is screwed into a screw hole provided in the main body casing and has a fine movement knob at the rear end, and the fine movement shaft is inserted into the fine movement shaft and can move forward and backward together with this fine movement shaft, and rotates around the axis. has a hollow tubular fine adjustment inner shaft whose rotation is controlled, a tightening knob screwed into the fine adjustment inner shaft, the rear end of which has a smaller outer diameter than the fine adjustment knob, and a universal joint at the tip. A fine movement device for a surveying machine, comprising a tightening shaft connected to a tightening force introducing shaft of an operating arm.