GB812980A - Improvements in and relating to electric battery lamps - Google Patents
Improvements in and relating to electric battery lampsInfo
- Publication number
- GB812980A GB812980A GB13528/56A GB1352856A GB812980A GB 812980 A GB812980 A GB 812980A GB 13528/56 A GB13528/56 A GB 13528/56A GB 1352856 A GB1352856 A GB 1352856A GB 812980 A GB812980 A GB 812980A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lamp
- head
- casing
- reflector
- contact
- 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
Links
- 241000239290 Araneae Species 0.000 abstract 1
- 239000011324 bead Substances 0.000 abstract 1
- 239000000428 dust Substances 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
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
- F21V31/00—Gas-tight or water-tight arrangements
-
- 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
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
- F21V14/045—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors in portable lighting devices
-
- 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
- F21V15/00—Protecting lighting devices from damage
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0414—Arrangement of electric circuit elements in or on lighting devices the elements being switches specially adapted to be used with portable lighting devices
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
812,980. Electric battery lamps. B. M. LAMPS Ltd. May 1, 1957 [May 2, 1956; Dec. 5, 1956], Nos. 13528/56 and 37161/56. Addition to 742,804. Class 39(2) In an electric battery lamp of the type in the parent Specification wherein the bulb 'holding reflector or lamp head is partially rotatable to provide switching on and off of the lamp current, the reflector or head is also axially movable or can be tilted to permit intermittent lighting of the lamp. The cap has a casing 13 closed at one end, the opposite end being flared and terminating in a cylindrical extension 14, Fig. 1, round which is fitted a rubber collar 31 having grooves holding the front glass of the lamp and the bulb holding reflector 27, the latter being out of contact with the casing 13 and carrying on its inner end a spider 34 having three contact arms 36. A metal ring 17, Fig. 6 having three sectors 19 separated by gaps is mounted in the casing 13 and carries three insulating pads 21, Fig. 7, each covering about three-quarters of a sector and divided by radial humps into two parts, over one of which a shorter pad 22 is mounted. Rotation of the lamp head from the position shown in Fig. 1 brings the arms 36 into contact with sectors 19 for switching on the lamp, and rotation of the head in the reverse direction brings the arms 36 between the pads 21, 22 thereby locking the head against axial motion. In the intermediate position, pressure on the head brings the rim 26 of the reflector into contact with the lamp casing 13, thereby lighting the lamp. The collar 31 terminates in a bead 33 gripping the casing to prevent ingress of dust and moisture. A lockable safety ring may be secured over the collar to prevent unauthorised removal.
Publications (1)
Publication Number | Publication Date |
---|---|
GB812980A true GB812980A (en) | 1959-05-06 |
Family
ID=1728597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB13528/56A Expired GB812980A (en) | 1956-05-02 | Improvements in and relating to electric battery lamps |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB812980A (en) |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4725932A (en) * | 1986-05-14 | 1988-02-16 | Gammache Richard J | Miniature flashlight |
US4777582A (en) * | 1987-09-16 | 1988-10-11 | Streamlight, Inc. | Micro-flashlight |
US4807097A (en) * | 1986-05-14 | 1989-02-21 | Gammache Richard J | Miniature flashlight |
GB2211924A (en) * | 1987-10-30 | 1989-07-12 | Accurist | Electric torch |
US4875146A (en) * | 1985-08-21 | 1989-10-17 | Duracell Inc. | Flashlight bulb mounting |
US4888670A (en) * | 1987-09-16 | 1989-12-19 | Streamlight, Inc. | Micro-flashlight |
US5003440A (en) * | 1989-05-17 | 1991-03-26 | Mag Instrument, Inc. | Tailcap insert |
US5207502A (en) * | 1984-09-06 | 1993-05-04 | Mag Instrument, Inc. | Miniature flashlight |
US5349506A (en) * | 1984-09-06 | 1994-09-20 | Mag Instrument, Inc. | Miniature flashlight |
US5590951A (en) | 1994-12-21 | 1997-01-07 | Laser Products Ltd. | Switch-less flashlights |
US5642932A (en) | 1994-12-22 | 1997-07-01 | Laser Products Corporation | Combat-oriented flashlight |
US5806964A (en) * | 1984-09-06 | 1998-09-15 | Mag Instrument, Inc. | Miniature flashlight |
US6135611A (en) * | 1991-06-21 | 2000-10-24 | Mag Instrument, Inc. | Miniature flashlight |
EP1020680A3 (en) * | 1999-01-14 | 2001-10-10 | Stefano Canale | Underwater torch with rechargeable battery pack |
US6733152B2 (en) | 1991-06-21 | 2004-05-11 | Mag Instrument, Inc. | Flashlight |
US6991360B2 (en) | 2001-08-16 | 2006-01-31 | Mag Instrument, Inc. | Flashlight with a light source aligned with a reflector axis |
US8210709B2 (en) | 2004-03-16 | 2012-07-03 | Mag Instrument, Inc. | Apparatus and method for aligning a substantial point source of light with a reflector feature |
US8366290B2 (en) | 2009-01-14 | 2013-02-05 | Mag Instrument, Inc. | Portable lighting device |
USD844874S1 (en) | 2017-12-11 | 2019-04-02 | Streamlight, Inc. | Lighting device |
USD846783S1 (en) | 2017-12-08 | 2019-04-23 | Streamlight, Inc. | Lighting device |
USD851797S1 (en) | 2017-09-20 | 2019-06-18 | Streamlight, Inc. | Lighting device |
-
1956
- 1956-05-02 GB GB13528/56A patent/GB812980A/en not_active Expired
Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5806964A (en) * | 1984-09-06 | 1998-09-15 | Mag Instrument, Inc. | Miniature flashlight |
US5722765A (en) * | 1984-09-06 | 1998-03-03 | Mag Instrument, Inc. | Tailcap for a flashlight |
US5207502A (en) * | 1984-09-06 | 1993-05-04 | Mag Instrument, Inc. | Miniature flashlight |
US5349506A (en) * | 1984-09-06 | 1994-09-20 | Mag Instrument, Inc. | Miniature flashlight |
US5485360A (en) * | 1984-09-06 | 1996-01-16 | Mag Instrument, Inc. | Miniature flashlight |
US6170960B1 (en) | 1984-09-06 | 2001-01-09 | Mag Instrument Inc. | Miniature flashlight |
US4875146A (en) * | 1985-08-21 | 1989-10-17 | Duracell Inc. | Flashlight bulb mounting |
US4725932A (en) * | 1986-05-14 | 1988-02-16 | Gammache Richard J | Miniature flashlight |
US4807097A (en) * | 1986-05-14 | 1989-02-21 | Gammache Richard J | Miniature flashlight |
US4777582A (en) * | 1987-09-16 | 1988-10-11 | Streamlight, Inc. | Micro-flashlight |
US4888670A (en) * | 1987-09-16 | 1989-12-19 | Streamlight, Inc. | Micro-flashlight |
GB2211924A (en) * | 1987-10-30 | 1989-07-12 | Accurist | Electric torch |
US5003440A (en) * | 1989-05-17 | 1991-03-26 | Mag Instrument, Inc. | Tailcap insert |
US6135611A (en) * | 1991-06-21 | 2000-10-24 | Mag Instrument, Inc. | Miniature flashlight |
US7641359B2 (en) | 1991-06-21 | 2010-01-05 | Mag Instrument, Inc. | Flashlight |
US7320530B2 (en) | 1991-06-21 | 2008-01-22 | Mag Instrument, Inc. | Flashlight |
US7070296B2 (en) | 1991-06-21 | 2006-07-04 | Mag Instrument, Inc. | Flashlight |
US6361183B1 (en) | 1991-06-21 | 2002-03-26 | Mag Instrument, Inc. | Flashlight |
US6575592B2 (en) | 1991-06-21 | 2003-06-10 | Mag Instrument, Inc. | Flashlight |
US6733152B2 (en) | 1991-06-21 | 2004-05-11 | Mag Instrument, Inc. | Flashlight |
US5590951A (en) | 1994-12-21 | 1997-01-07 | Laser Products Ltd. | Switch-less flashlights |
US5642932A (en) | 1994-12-22 | 1997-07-01 | Laser Products Corporation | Combat-oriented flashlight |
EP1020680A3 (en) * | 1999-01-14 | 2001-10-10 | Stefano Canale | Underwater torch with rechargeable battery pack |
US6991360B2 (en) | 2001-08-16 | 2006-01-31 | Mag Instrument, Inc. | Flashlight with a light source aligned with a reflector axis |
US8210709B2 (en) | 2004-03-16 | 2012-07-03 | Mag Instrument, Inc. | Apparatus and method for aligning a substantial point source of light with a reflector feature |
US8366290B2 (en) | 2009-01-14 | 2013-02-05 | Mag Instrument, Inc. | Portable lighting device |
USD851797S1 (en) | 2017-09-20 | 2019-06-18 | Streamlight, Inc. | Lighting device |
USD846783S1 (en) | 2017-12-08 | 2019-04-23 | Streamlight, Inc. | Lighting device |
USD844874S1 (en) | 2017-12-11 | 2019-04-02 | Streamlight, Inc. | Lighting device |
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