JPS59164861U

JPS59164861U - ball screw

Info

Publication number: JPS59164861U
Application number: JP5892583U
Authority: JP
Inventors: 敏幸加藤
Original assignee: トキコ株式会社
Priority date: 1983-04-20
Filing date: 1983-04-20
Publication date: 1984-11-05

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図および第２図は本考案に係るボールねじを備えた
メカニカルスナツバを示し、第１図は一部切欠正面図、
第２図はその要部を示す断面図である。１・・・ロッド（ねじ軸）、２・・・ボール、３・・・
回転体（ナツト）、５・・・ワイパーシール、９・・・
油溜め、′１１．１５・・・連通路、１２・−・加圧機
構、１３・・・フリーピストン、１４・・・スプリング
、１６・・・グリースニップル、Ｂ・・・ボールネジ。FIGS. 1 and 2 show a mechanical snap lever equipped with a ball screw according to the present invention, and FIG. 1 is a partially cutaway front view;
FIG. 2 is a sectional view showing the main parts thereof. 1...Rod (screw shaft), 2...Ball, 3...
Rotating body (nut), 5... wiper seal, 9...
Oil reservoir, '11.15...Communication path, 12...Pressure mechanism, 13...Free piston, 14...Spring, 16...Grease nipple, B...Ball screw.

Claims

[Scope of utility model registration request]

a nut that is screwed onto a screw shaft through a plurality of balls; an oil reservoir that is provided on the nut and opens on the inner peripheral surface of the nut and communicates with the outside of the nut via a communication path; and an inner periphery at both ends of the nut. a sealing member provided in the oil sump to seal between the inner periphery of both ends of the nut and the outer periphery of the screw shaft, and a pressurizing mechanism provided in the oil sump to pressurize the oil sealed in the oil sump. A ball screw characterized by: