JPS59146394U - Safety device of screw drive mechanism - Google Patents

Safety device of screw drive mechanism

Info

Publication number
JPS59146394U
JPS59146394U JP3916883U JP3916883U JPS59146394U JP S59146394 U JPS59146394 U JP S59146394U JP 3916883 U JP3916883 U JP 3916883U JP 3916883 U JP3916883 U JP 3916883U JP S59146394 U JPS59146394 U JP S59146394U
Authority
JP
Japan
Prior art keywords
nut
safety device
drive mechanism
screw drive
screw
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.)
Granted
Application number
JP3916883U
Other languages
Japanese (ja)
Other versions
JPH038717Y2 (en
Inventor
今井　清吾
清川　信治
Original Assignee
大日本スクリ−ン製造株式会社
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 大日本スクリ−ン製造株式会社 filed Critical 大日本スクリ−ン製造株式会社
Priority to JP3916883U priority Critical patent/JPS59146394U/en
Publication of JPS59146394U publication Critical patent/JPS59146394U/en
Application granted granted Critical
Publication of JPH038717Y2 publication Critical patent/JPH038717Y2/ja
Granted legal-status Critical Current

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  • Transmission Devices (AREA)

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 drawings]

第１図は本考案の実施例の一部断面側面図、第２図は第
１図の平面図、第３図は第１図のＡ矢視側面図、第４図
は第１図での動作説明図を示す。 １・・・メインナツト、２・・・本体、４・・・駆動ネ
ジ、５・・・補助ナツト、６・・・スラストベアリング
、７・・・回り止め。Fig. 1 is a partially sectional side view of an embodiment of the present invention, Fig. 2 is a plan view of Fig. 1, Fig. 3 is a side view taken in the direction of arrow A in Fig. An operation explanatory diagram is shown. 1... Main nut, 2... Main body, 4... Drive screw, 5... Auxiliary nut, 6... Thrust bearing, 7... Stopper.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 回転される駆動ネジに噛合う支持ナツトにより本体を上
下動させ、該支持ナツトに並設し且つ該駆動ネジに噛合
う補助ナツトを有するネジ駆動機構の安全装置において
、本体、支持ナツト及び補助ナツトの順に並設し、支持
ナツトと補助ナツトとの間にスラストベアリングを設け
、これら両ナツトを回り止め部材により係止すると共に
、支持ナツトが摩耗し落下したとき両ナツトの係止が離
脱するようにしたネジ駆動機構の安全装置。In a safety device for a screw drive mechanism, the main body is moved up and down by a support nut that meshes with a rotating drive screw, and the main body, the support nut, and the auxiliary nut are arranged in parallel with the support nut and have an auxiliary nut that meshes with the drive screw. A thrust bearing is provided between the supporting nut and the auxiliary nut, and both nuts are locked by a rotation prevention member, and the locking of both nuts is released when the supporting nut wears out and falls. Safety device for screw drive mechanism.
JP3916883U 1983-03-18 1983-03-18 Safety device of screw drive mechanism Granted JPS59146394U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3916883U JPS59146394U (en) 1983-03-18 1983-03-18 Safety device of screw drive mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3916883U JPS59146394U (en) 1983-03-18 1983-03-18 Safety device of screw drive mechanism

Publications (2)

Publication Number Publication Date
JPS59146394U true JPS59146394U (en) 1984-09-29
JPH038717Y2 JPH038717Y2 (en) 1991-03-04

Family

ID=30169821

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3916883U Granted JPS59146394U (en) 1983-03-18 1983-03-18 Safety device of screw drive mechanism

Country Status (1)

Country Link
JP (1) JPS59146394U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2014156680A1 (en) * 2013-03-29 2017-02-16 株式会社日立製作所 Medical imaging system having a bed and an abnormality diagnosis method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585012A (en) * 1978-12-21 1980-06-26 Toshiba Corp Vertical winding machine

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5585012A (en) * 1978-12-21 1980-06-26 Toshiba Corp Vertical winding machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2014156680A1 (en) * 2013-03-29 2017-02-16 株式会社日立製作所 Medical imaging system having a bed and an abnormality diagnosis method thereof
US10258298B2 (en) 2013-03-29 2019-04-16 Hitachi, Ltd. Medical image scanning system provided with bed and abnormality diagnosis method thereof

Also Published As

Publication number Publication date
JPH038717Y2 (en) 1991-03-04

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