JPS6122190B2 - - Google Patents

Info

Publication number
JPS6122190B2
JPS6122190B2 JP11672582A JP11672582A JPS6122190B2 JP S6122190 B2 JPS6122190 B2 JP S6122190B2 JP 11672582 A JP11672582 A JP 11672582A JP 11672582 A JP11672582 A JP 11672582A JP S6122190 B2 JPS6122190 B2 JP S6122190B2
Authority
JP
Japan
Prior art keywords
stage
detent
stage element
threaded
threaded part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP11672582A
Other languages
English (en)
Japanese (ja)
Other versions
JPS599350A (ja
Inventor
Yoshiaki Ichikawa
Chikara Sato
Kenichiro Sadakane
Norihiko Ozaki
Fumio Tomizawa
Nobuyoshi Iwatsuka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP11672582A priority Critical patent/JPS599350A/ja
Publication of JPS599350A publication Critical patent/JPS599350A/ja
Publication of JPS6122190B2 publication Critical patent/JPS6122190B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/2056—Telescopic screws with at least three screw members in coaxial arrangement

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
JP11672582A 1982-07-07 1982-07-07 多段伸縮装置 Granted JPS599350A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11672582A JPS599350A (ja) 1982-07-07 1982-07-07 多段伸縮装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11672582A JPS599350A (ja) 1982-07-07 1982-07-07 多段伸縮装置

Publications (2)

Publication Number Publication Date
JPS599350A JPS599350A (ja) 1984-01-18
JPS6122190B2 true JPS6122190B2 (fr) 1986-05-30

Family

ID=14694252

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11672582A Granted JPS599350A (ja) 1982-07-07 1982-07-07 多段伸縮装置

Country Status (1)

Country Link
JP (1) JPS599350A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5012688A (en) * 1989-02-24 1991-05-07 Ellis Malcolm P Sizing apparatus and proportional spacing mechanism
JPH0338448U (fr) * 1989-08-28 1991-04-15
JPH0711310B2 (ja) * 1989-10-17 1995-02-08 日本スカイロボット株式会社 フレキシブルボールねじユニットとこのねじユニットを用いた伸縮自在支柱
IT1283163B1 (it) * 1996-07-15 1998-04-07 Giovanni Binaghi Dispositivo di sollevamento di cuscino,particolarmente per letti e simili

Also Published As

Publication number Publication date
JPS599350A (ja) 1984-01-18

Similar Documents

Publication Publication Date Title
US3404581A (en) Ball screw actuator
DE19946750B4 (de) Zweischritt-Analog-Digital-Wandler und -Verfahren
KR101703498B1 (ko) 파동 기어식 직동 기구
US5749265A (en) Ball screw device
JP2004076943A (ja) セルフロックねじ山を備えたネジ
JPH03138267A (ja) 回転ドラムの内部に駆動機構を内蔵している閉鎖部材巻付け装置
AU2887289A (en) Push actuator
US4419025A (en) Locking device in a telescopic tubular tripod leg element assembly
JPH0377430A (ja) Ｄ／ａコンバータ
KR20010016922A (ko) 고속 스위칭 가능하고 정밀하게 전압 변환 가능한 디지털 아날로그 변환기
JPH10196757A (ja) 回転−直動変換機構
US5451952A (en) CMOS flash analog-to-digital converter with hysteresis
Chen An analytical method for synthesizing the four-bar crank-rocker mechanism
CN110657214A (zh) 一种多级行星滚柱丝杠传动结构
US20200182338A1 (en) Actuating mechanism with a planetary roller screw mechanism
JPS599350A (ja) 多段伸縮装置
CN213655628U (zh) 一种新型滚柱结构的行星滚柱丝杠
EP0585922A2 (fr) Tube de lentille
JP3381294B2 (ja) 薄肉型ボールナット
GB1136185A (en) An extensible screw actuator
KR102711883B1 (ko) 텔레스코픽 리니어 액추에이터
JPH02199347A (ja) ボールねじ及びボールねじ用ナット
JPS597319A (ja) ズ−ムレンズ用カムフオロア
EP4317746A1 (fr) Dispositif de vis à billes
JPH03262799A (ja) 伸展装置