GB1194168A - Lamp Turret Assembly with Safety Electrical Interlock. - Google Patents

Lamp Turret Assembly with Safety Electrical Interlock.

Info

Publication number
GB1194168A
GB1194168A GB02143/69A GB1214369A GB1194168A GB 1194168 A GB1194168 A GB 1194168A GB 02143/69 A GB02143/69 A GB 02143/69A GB 1214369 A GB1214369 A GB 1214369A GB 1194168 A GB1194168 A GB 1194168A
Authority
GB
United Kingdom
Prior art keywords
lamp
turret
link
button
knob
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
GB02143/69A
Other languages
English (en)
Inventor
Frank Walter Betlejewski
George Frank Krtous
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.)
Bell and Howell Co
Original Assignee
Bell and Howell Co
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 Bell and Howell Co filed Critical Bell and Howell Co
Publication of GB1194168A publication Critical patent/GB1194168A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/02—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken
    • F21V25/04—Safety devices structurally associated with lighting devices coming into action when lighting device is disturbed, dismounted, or broken breaking the electric circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
GB02143/69A 1968-03-07 1969-03-07 Lamp Turret Assembly with Safety Electrical Interlock. Expired GB1194168A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71139768A 1968-03-07 1968-03-07

Publications (1)

Publication Number Publication Date
GB1194168A true GB1194168A (en) 1970-06-10

Family

ID=24857924

Family Applications (1)

Application Number Title Priority Date Filing Date
GB02143/69A Expired GB1194168A (en) 1968-03-07 1969-03-07 Lamp Turret Assembly with Safety Electrical Interlock.

Country Status (9)

Country Link
US (1) US3529146A (https=)
AT (1) AT288734B (https=)
BE (1) BE729525A (https=)
CH (1) CH506019A (https=)
DE (1) DE1911492B2 (https=)
FR (1) FR2003449A1 (https=)
GB (1) GB1194168A (https=)
NL (2) NL6903547A (https=)
SE (1) SE358458B (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7628047U1 (de) * 1976-09-08 1976-12-30 Rollei-Werke Franke & Heidecke, 3300 Braunschweig Stehbildprojektor
US4225906A (en) * 1978-03-16 1980-09-30 Koehler Manufacturing Company Luminaire apparatus with multiple light sources and methods of operating same
JPS5596933A (en) * 1979-01-17 1980-07-23 Suraidetsukusu Kk Overhead projector
US5135301A (en) * 1991-01-22 1992-08-04 Minnesota Mining And Manufacturing Company Reflective overhead projector with alternate light sources
US5526249A (en) * 1992-06-17 1996-06-11 Olympus Optical Co., Ltd. Light source device
US5241333A (en) * 1992-10-22 1993-08-31 Minnesota Mining And Manufacturing Company Overhead projector with pivoting lamp changer and color adjustment
US6945310B2 (en) * 2003-05-19 2005-09-20 Takata Corporation Method and apparatus for manufacturing metallic parts by die casting
US11028989B2 (en) * 2019-11-13 2021-06-08 James M. Aparo Vehicle headlight device having an ejectable and replaceable lightbulb assembly
US11046235B2 (en) * 2019-11-13 2021-06-29 James M. Aparo Vehicle headlight assembly having an ejectable and replaceable lightbulb

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126785A (en) * 1964-03-31 Slide projector with interchangeable lamp housing components
US1825121A (en) * 1929-05-03 1931-09-29 Owens Dev Corp Lamp-holder
US3228286A (en) * 1963-06-03 1966-01-11 Moviecol Sales Ltd Rotatable lamp means in moving or still picture projectors
US3269795A (en) * 1964-05-11 1966-08-30 Rca Corp Automatic exciter lamp changer

Also Published As

Publication number Publication date
FR2003449A1 (https=) 1969-11-07
US3529146A (en) 1970-09-15
SE358458B (https=) 1973-07-30
DE1911492B2 (de) 1971-12-02
NL136342C (https=)
BE729525A (https=) 1969-08-18
NL6903547A (https=) 1969-09-09
DE1911492A1 (de) 1970-01-02
AT288734B (de) 1971-03-25
CH506019A (fr) 1971-04-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee