GB2113374A - Rechargeable pocket lamp - Google Patents

Rechargeable pocket lamp Download PDF

Info

Publication number
GB2113374A
GB2113374A GB08236463A GB8236463A GB2113374A GB 2113374 A GB2113374 A GB 2113374A GB 08236463 A GB08236463 A GB 08236463A GB 8236463 A GB8236463 A GB 8236463A GB 2113374 A GB2113374 A GB 2113374A
Authority
GB
United Kingdom
Prior art keywords
housing
housing part
charging
current source
pocket lamp
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.)
Withdrawn
Application number
GB08236463A
Inventor
Waldemar Witte
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.)
Witte und Sutor GmbH
Original Assignee
Witte und Sutor GmbH
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 Witte und Sutor GmbH filed Critical Witte und Sutor GmbH
Publication of GB2113374A publication Critical patent/GB2113374A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21LLIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00Electric lighting devices with self-contained electric batteries or cells
    • F21L4/08Electric lighting devices with self-contained electric batteries or cells characterised by means for in situ recharging of the batteries or cells
    • F21L4/085Pocket lamps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21LLIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00Electric lighting devices with self-contained electric batteries or cells
    • F21L4/08Electric lighting devices with self-contained electric batteries or cells characterised by means for in situ recharging of the batteries or cells
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21LLIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00Electric lighting devices with self-contained electric batteries or cells

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

A pocket lamp comprising a housing containing an incandescent bulb fed by a current source and a charging part for charging up the current source from the electric mains, the housing comprising two fit-together housing parts of which a first housing part carries an incandescent bulb at its one end and contact pins at its other end and the second housing part carries plug pins which can be introduced into a mains socket for charging the current source, the current source being accommodated in the housing part containing the bulb and the charging part in the housing part which carries the plug pins.

Description

SPECIFICATION Rechargeable pocket lamp The invention relates to a rechargeable pocket lamp having a housing which contains an incandescent bulb fed by a current source and a charging part for charging up the current source from the electric mains, the housing having, for the purpose of charging from the mains, two fit-together housing parts of which a first housing part carries an incandescent bulb at its one end and contact pins at its other end, and the second housing part carries plug pins which can be introduced into a mains socket for charging the current source.
Two-part pocket lamps have become known hitherto the housing parts of which are separated for the purpose of charging. The first housing part contains the bulb while the second housing part comprises the current source, the charging parts necessary for charging the current source, and plug pins which are connected to the mains in charging.
When not in use, the plug pins can be pushed into corresponding apertures of the first housing part, also for the purpose of a mechanical connection. When not in use the mains plug pins are arranged concealed in the interior of the housing, and the two housing parts complete one another to form a jointless closed housing form. In the unassembled condition the previously known separable pocket lamp is not able to function.
The invention is based upon the problem of producing a pocket lamp which is of minimum size-about the size of a gas lighter-and nevertheless fully capable of functioning and rechargeable. In accordance with the invention this problem is solved in that the current source is housed in the housing part which contains the bulb and the charging part is arranged in the housing part carrying the plug pins. Due to this construction it is possible that one can carry and use the pocket lamp without the charging accessory while the charging part can remain at home in a socket, where it can also serve for the charging of further pocket appliances. The lamp has such small dimensions that it fits well into the breast pocket of a gentleman's shirt or into a jacket or trouser pocket, without causing the pocket to bulge.The depth dimension is for example about 1.2 cm., the length dimension about 6 cm., and the total weight of the lamp body amounts to only about 23 g.
According to a preferred example of embodiment, for the purpose of charging the pocket lamp according to the invention it is provided that the first housing part which comprises the incandescent bulb and the current source is pluggable in shape-engaging manner with its housing end piece having the contact pins into the widened end part, adapted to its peripheral form, of the second housing part, the contact pins being in engagement with corresponding contact sleeves.
In contrast to all two-part forms of embodiment of pocket lamps known hitherto, in the lamp in accordance with the invention the contact pins, in the assembled condition of the housing, are arranged protruding freely away from one end of the housing part carrying them.
The construction in accordance with the invention renders it possible for the miniature lamp to be fully capable of functioning and for the first housing part, in the condition separated from the second housing part, to possess a flat parallelepipedic form with roundedoff longitudinal edges. Thus it possesses a configuration which is simultaneously attractive of form and convenient to hand.
An example of embodiment of the object of the invention is illustrated in the drawing, wherein: Figure 1 shows a perspective representation of the pocket lamp, the two housing parts being separated from one another, Figure 2 shows a view of the end part of the housing of the pocket lamp, in the direction of the arrow.
The pocket lamp according to the invention as illustrated consists of two separable housing parts, namely a first housing part 10 which comprises an incandescent bulb 1 2 within a reflector 14 and is provided with a slider switch 17, and a second housing part 20 carrying plug pins 26. As well as the parts mentioned, the first housing part 10 also comprises a rechargeable current source 19, which is merely indicated in chain lines. To this current source there lead two contact pins 18, which are arranged flush through corresponding apertures 1 Oc in the housing and end piece lOb of the first housing part 10.
The incandescent bulb 1 2 can be actuated by operation of the slider switch 17, which is expediently made as a quick-break switch, in that when the finger pressure is relaxed it switches off again automatically. The bulb 1 2 is situated within a housing chamber 1 4 formed as a reflector.
The second housing part 10, apart from the plug pins 26 extending away from the housing end part 20a, possesses on the side opposite to these a widened end part 22 into which the housing end piece 1 Ob can be plugged in shape-engaging manner. Then the two contact pins 18, which are provided offcentre for the purpose of connection with correct polarity, come into engagement with corresponding contact sleevers 24 which are arranged in the widened end part 22 of the second housing part 20. Through the electrically conductive connection thus produced between the charging part 29, arranged in the second housing part 20 and only indicated in chain lines, and the current source 1 9 of the first housing part 10, the accumulators of the current source are charged up. After charging, when the two housing parts are separated the housing part 10 can be used independently as pocket lamp.

Claims (5)

1. Pocket lamp having a housing containing an incandescent bulb fed by a current source and a charging part for charging up the current source from the electric mains, the housing comprising, for the purpose of charging from the mains, two fit-together housing parts of which a first housing part carries an incandescent bulb at its one end and contact pins at its other end and the second housing part carries plug pins which can be introduced into a mains socket for charging the current source, characterised in that the current source is accommodated in the housing part (10) containing the bulb (12) and the charging part is arranged in the housing part (20) which carries the plug pins (26).
2. Pocket lamp according to Claim 1, characterised in that the first housing part (10) comprising the bulb (12) and the current source can be plugged in shape-engaging manner and its housing end piece (lOb) which comprises the contact pins (18) into the widened end part (2), adapted to its periph eral form, of the second housing part (20), the contact pins (18) being in engagement with corresponding contact sleeves (24).
3. Pocket lamp according to Claim 1 or 2, characterised in that the contact pins (18) are arranged protruding freely away from the one end (20a) of the housing part (20) carrying them, when the housing (10, 20) is in the fitted-together condition.
4. Pocket lamp according to one of the preceding Claims, characterised in that the first housing part (10), in the condition separated from the second housing part (20), possesses a flat parallelepidedic form with rounded-off longitudinal edges.
5. A rechargeable pocket lamp substantially as described herein with reference to the accompanying drawings.
GB08236463A 1981-12-28 1982-12-22 Rechargeable pocket lamp Withdrawn GB2113374A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19818137998U DE8137998U1 (en) 1981-12-28 1981-12-28 SMALL POCKET LAMP, LOADABLE, WITH DISCONNECTED MAINS CHARGER

Publications (1)

Publication Number Publication Date
GB2113374A true GB2113374A (en) 1983-08-03

Family

ID=6734284

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08236463A Withdrawn GB2113374A (en) 1981-12-28 1982-12-22 Rechargeable pocket lamp

Country Status (5)

Country Link
JP (1) JPS58103401U (en)
KR (1) KR870000976Y1 (en)
DE (1) DE8137998U1 (en)
GB (1) GB2113374A (en)
HK (1) HK11186A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2208135A (en) * 1987-06-19 1989-03-01 Beghelli G P B Srl Portable lamp with rechargeable supply

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4003808C2 (en) * 1990-02-08 1994-02-03 Mellert Fa Hermann Battery powered electrical device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4113993Y1 (en) * 1964-03-26 1966-06-29
JPS4530745Y1 (en) * 1967-10-12 1970-11-25

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2208135A (en) * 1987-06-19 1989-03-01 Beghelli G P B Srl Portable lamp with rechargeable supply
GB2208135B (en) * 1987-06-19 1991-08-21 Beghelli G P B Srl Portable lamp with rechargeable supply

Also Published As

Publication number Publication date
HK11186A (en) 1986-02-28
JPS58103401U (en) 1983-07-14
KR870000976Y1 (en) 1987-03-18
DE8137998U1 (en) 1982-07-08
KR840003239U (en) 1984-07-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee