IT989156B - Cortina di luce di protezione dagli infortuni - Google Patents

Cortina di luce di protezione dagli infortuni

Info

Publication number
IT989156B
IT989156B IT25350/73A IT2535073A IT989156B IT 989156 B IT989156 B IT 989156B IT 25350/73 A IT25350/73 A IT 25350/73A IT 2535073 A IT2535073 A IT 2535073A IT 989156 B IT989156 B IT 989156B
Authority
IT
Italy
Prior art keywords
light curtain
accident protection
accident
protection
curtain
Prior art date
Application number
IT25350/73A
Other languages
English (en)
Original Assignee
Sick Optik Elektronik Erwin
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 Sick Optik Elektronik Erwin filed Critical Sick Optik Elektronik Erwin
Application granted granted Critical
Publication of IT989156B publication Critical patent/IT989156B/it

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
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
    • F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
    • F16P3/144—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact using light grids

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Burglar Alarm Systems (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
IT25350/73A 1972-07-25 1973-06-13 Cortina di luce di protezione dagli infortuni IT989156B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2236482A DE2236482C3 (de) 1972-07-25 1972-07-25 Unfallschutzlichtvorhang

Publications (1)

Publication Number Publication Date
IT989156B true IT989156B (it) 1975-05-20

Family

ID=5851635

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25350/73A IT989156B (it) 1972-07-25 1973-06-13 Cortina di luce di protezione dagli infortuni

Country Status (5)

Country Link
US (1) US3841766A (it)
DE (1) DE2236482C3 (it)
FR (1) FR2194289A5 (it)
GB (1) GB1387083A (it)
IT (1) IT989156B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2550653C3 (de) * 1975-11-11 1978-12-21 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Drehstrahl-Lichtvorhang
DE2818942C2 (de) * 1978-04-28 1986-03-27 Zellweger Uster Ag, Uster Verfahren zur Raumüberwachung und Vorrichtung zur Durchführung des Verfahrens
CH643382A5 (de) * 1979-06-06 1984-05-30 Zellweger Uster Ag Verfahren zur raumueberwachung mittels gepulster richtstrahlung und vorrichtung zur ausfuehrung des verfahrens.
US4420261A (en) * 1980-09-02 1983-12-13 Lowbar, Inc. Optical position location apparatus
US4432648A (en) * 1981-05-18 1984-02-21 The Austin Company Multiple dimension laser gauge
PL144670B1 (en) * 1985-06-14 1988-06-30 Kombinat Urz Dzen Mechanicznych >>Bumarlabedy<< Osrodek Badawczorozwojowy Urz Dzen Mechanicznych Protective guard with a contactless obstacle detection system
DE3606594A1 (de) * 1986-02-28 1987-09-03 Sick Optik Elektronik Erwin Unfallschutzlichtvorhang
DE19527832C2 (de) * 1995-07-29 2002-11-21 Werner & Pfleiderer Lebensmitt Verfahren zum Betrieb einer Vorrichtung zum Beschicken und Entleeren von Industriebacköfen
US6166371A (en) * 1999-04-30 2000-12-26 Beckman Coulter, Inc. Diffuse reflective light curtain system
US8446247B2 (en) * 2009-10-21 2013-05-21 J&L Group International, Llc Safety system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1221927B (de) * 1964-05-06 1966-07-28 Sick Erwin Lichtschranke, insbesondere Unfallschutzvorrichtung
US3619630A (en) * 1969-02-14 1971-11-09 Brunswick Corp Arrow detection system employing a sweeping laser beam

Also Published As

Publication number Publication date
GB1387083A (en) 1975-03-12
DE2236482B2 (de) 1977-09-01
DE2236482C3 (de) 1978-04-27
FR2194289A5 (it) 1974-02-22
DE2236482A1 (de) 1974-02-07
US3841766A (en) 1974-10-15

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