JPS5236264A - Press device safety device for press brake - Google Patents

Press device safety device for press brake

Info

Publication number
JPS5236264A
JPS5236264A JP11208475A JP11208475A JPS5236264A JP S5236264 A JPS5236264 A JP S5236264A JP 11208475 A JP11208475 A JP 11208475A JP 11208475 A JP11208475 A JP 11208475A JP S5236264 A JPS5236264 A JP S5236264A
Authority
JP
Japan
Prior art keywords
press
brake
safety device
press brake
light
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
JP11208475A
Other languages
Japanese (ja)
Other versions
JPS5638837B2 (en
Inventor
Tsutomu Hasebe
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP11208475A priority Critical patent/JPS5236264A/en
Publication of JPS5236264A publication Critical patent/JPS5236264A/en
Publication of JPS5638837B2 publication Critical patent/JPS5638837B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

PURPOSE: Safety device in press brake to be free the circuit only immediately before the upper die intercepts the beam of light, positioning the beam of light on the descending line of upper die.
COPYRIGHT: (C)1977,JPO&Japio
JP11208475A 1975-09-18 1975-09-18 Press device safety device for press brake Granted JPS5236264A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11208475A JPS5236264A (en) 1975-09-18 1975-09-18 Press device safety device for press brake

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11208475A JPS5236264A (en) 1975-09-18 1975-09-18 Press device safety device for press brake

Publications (2)

Publication Number Publication Date
JPS5236264A true JPS5236264A (en) 1977-03-19
JPS5638837B2 JPS5638837B2 (en) 1981-09-09

Family

ID=14577674

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11208475A Granted JPS5236264A (en) 1975-09-18 1975-09-18 Press device safety device for press brake

Country Status (1)

Country Link
JP (1) JPS5236264A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5818200U (en) * 1981-07-29 1983-02-04 株式会社小松製作所 Optical safety device
JPH09329296A (en) * 1996-06-05 1997-12-22 Yodogawa Steel Works Ltd Safety device of press machine
JP2003094116A (en) * 2001-09-21 2003-04-02 Amada Co Ltd Bending machine
JP2006102754A (en) * 2004-09-30 2006-04-20 Kyuhen Co Ltd Bending apparatus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61152939U (en) * 1985-03-11 1986-09-22
JPS61155745U (en) * 1985-03-19 1986-09-27

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5818200U (en) * 1981-07-29 1983-02-04 株式会社小松製作所 Optical safety device
JPH09329296A (en) * 1996-06-05 1997-12-22 Yodogawa Steel Works Ltd Safety device of press machine
JP2003094116A (en) * 2001-09-21 2003-04-02 Amada Co Ltd Bending machine
JP2006102754A (en) * 2004-09-30 2006-04-20 Kyuhen Co Ltd Bending apparatus
JP4707988B2 (en) * 2004-09-30 2011-06-22 株式会社キューヘン Bending machine

Also Published As

Publication number Publication date
JPS5638837B2 (en) 1981-09-09

Similar Documents

Publication Publication Date Title
JPS5263036A (en) Full addition and subtraction circuit
JPS5231414A (en) Safety device for electromobile
JPS5236264A (en) Press device safety device for press brake
JPS522277A (en) Soldering device
JPS5234598A (en) Device for descending
JPS5233400A (en) Slow-lowering device
JPS525144A (en) Automatic overload brake apparatus of winch
JPS5226008A (en) Oil supply system
JPS51113262A (en) Safety device for press
JPS5422623A (en) Device of automatic ally releasing parking brake
JPS5413046A (en) Pressure releasing device for boiling cooling device
JPS5231444A (en) Device for contrlling elevator
JPS5231439A (en) Device for contrlling elevator
JPS51120510A (en) Device for preventing the error departure of train
JPS5422139A (en) Retrial system
JPS51133671A (en) Hydraulic device with deairing device
JPS5223896A (en) Escape device
JPS5224537A (en) Slide preparing device
JPS51131964A (en) Filter device
JPS5244909A (en) Vehicle constant position stopping apparatus
JPS5219868A (en) Braking apparatus
JPS526138A (en) Safty device of c ombution equipment
JPS5399572A (en) Emergency stop apparatus for press
JPS5313750A (en) Elevator waiting time indicator
JPS5229060A (en) Emergency escape device for elevator