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US3582638A Expired / Lapsed US ⏱️ 0.0 years remaining

Spot lighting device

Assignee: Kurz Kasch Inc
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Filing: 1968-04-22
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Granted: 1971-06-01
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Expires: 1988-04-22
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Abstract

Abstract A light projecting device featuring a unique adapter enabling the ready mount of a flexible light guide to a pocket flashlight or other light source whereby to provide a simple but highly effective means for directing emitted light to a remote difficult to illuminate spot. The adapter includes a tubular light channelling device held relatively to an illuminable lamp and providing a bearing for the flexible light guide.

Inventors

  • 👤 Maurice E Peters

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 05:02
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/24; G02B6/42; G02B6/4298; F; F21; F21L; F21L4/00; G02B6/0001; G02B6/0005; G02B6/0006

Claims Analysis

Total Claims: 16
Claim 1
Independent Claim 194 words
A light projecting device including a housing having illuminable light means, a cap for said light means in direct connection with said light means defining a channel for light projecting extending through said cap, an elongate light guide means having one end thereof received in said channel and the other end extending a substantial distance therefrom, said channel defining means providing means for retention of said guide means to have one end thereof aligned with said light means, said guide means being adaptable anywhere along its length to orient selectively in the axis of said light means or to deviate therefrom without affecting its light transmitting capacity, said channel defining means including a relatively inflexible tube segment having means forming an extension of one end thereof adapted to the configuration of said light means and sealingly adhered thereto to provide that light emitted from said light means is channelled directly through said tube segment, said extension of said tube segment being formed of a tubular plastic which is heat shrunk to said light means to fix said tube segment in end contacting communication with said light means and in a stabilized projected relation thereto.
Claim 2
Dependent Claim 194 words
A light projecting device including a housing having illuminable light means, a cap for said light means in direct connection with said light means defining a channel for light projecting extending through said cap, an elongate light guide means having one end thereof received in said channel and the other end extending a substantial distance therefrom, said channel defining means providing means for retention of said guide means to have one end thereof aligned with said light means, said guide means being adaptable anywhere along its length to orient selectively in the axis of said light means or to deviate therefrom without affecting its light transmitting capacity, said channel defining means including a relatively inflexible tube segment having means forming an extension of one end thereof adapted to the configuration of said light means and sealingly adhered thereto to provide that light emitted from said light means is channelled directly through said tube segment, said extension of said tube segment being formed of a tubular plastic which is heat shrunk to said light means to fix said tube segment in end contacting communication with said light means and in a stabilized projected relation thereto.
Claim 3
Dependent Claim 200 words
A light projecting device including a housing having illuminable light means and means in connection therewith defining a channel for light projection, an elongate light guide means having one end thereof received in said channel and the other end extending a substantial distance therefrom, said channel defining means providing means for retention of said guide means to have one end thereof aligned with said light means and said guide means being adaptable anywhere along its length to orient selectively in the axis of said light means or to deviate therefrom without affecting its light transmitting capacity, said illuminable light means having the form of a lamp bulb, a cap for said bulb having an aperture and there being means in connection therewith defining said aperture and forming said channel, said channel being relatively extended and said one end of said guide means having a bearing support therein and a frictional engagement with said channel defining means, there further being a spring based on said cap at one end and extending forwardly therefrom in surrounding supporting relation to said guide means, said spring being substantially coextensive with said guide means and terminating at its outer end in an annular permanent magnet.
Claim 4
Dependent Claim 200 words
A light projecting device including a housing having illuminable light means and means in connection therewith defining a channel for light projection, an elongate light guide means having one end thereof received in said channel and the other end extending a substantial distance therefrom, said channel defining means providing means for retention of said guide means to have one end thereof aligned with said light means and said guide means being adaptable anywhere along its length to orient selectively in the axis of said light means or to deviate therefrom without affecting its light transmitting capacity, said illuminable light means having the form of a lamp bulb, a cap for said bulb having an aperture and there being means in connection therewith defining said aperture and forming said channel, said channel being relatively extended and said one end of said guide means having a bearing support therein and a frictional engagement with said channel defining means, there further being a spring based on said cap at one end and extending forwardly therefrom in surrounding supporting relation to said guide means, said spring being substantially coextensive with said guide means and terminating at its outer end in an annular permanent magnet.
Claim 5
Dependent Claim 227 words
A light projecting device including a housing having illuminable light means and means in connection therewith defining a channel for light projection, an elongate light guide means having one end thereof received in said channel and the other end extendiNg a substantial distance therefrom, said channel defining means providing means for retention of said guide means to have one end thereof aligned with said light means, said guide means being adaptable anywhere along its length to orient selectively in the axis of said light means or to deviate therefrom without affecting its light transmitting capacity, a cap for said light means having an opening in alignment therewith, said channel defining means including a relatively inflexible tube segment having one end projecting in said opening and means sealing its said one end to the surface of said light means to provide that light emitted from said light means is channelled directly therethrough, said light means being a bulb, said tube segment receiving said guide means in a close fit, and said sealing means being a relatively flexible sleeve surrounding said tube segment and having a projected portion which resiliently receives therein and conforms to the outer end of said bulb, said sleeve being opaque to inhibit lateral light emissions and holding said tubular member in end abutting relation to said lamp and in a stabilized projected relation thereto.
Claim 6
Dependent Claim 227 words
A light projecting device including a housing having illuminable light means and means in connection therewith defining a channel for light projection, an elongate light guide means having one end thereof received in said channel and the other end extendiNg a substantial distance therefrom, said channel defining means providing means for retention of said guide means to have one end thereof aligned with said light means, said guide means being adaptable anywhere along its length to orient selectively in the axis of said light means or to deviate therefrom without affecting its light transmitting capacity, a cap for said light means having an opening in alignment therewith, said channel defining means including a relatively inflexible tube segment having one end projecting in said opening and means sealing its said one end to the surface of said light means to provide that light emitted from said light means is channelled directly therethrough, said light means being a bulb, said tube segment receiving said guide means in a close fit, and said sealing means being a relatively flexible sleeve surrounding said tube segment and having a projected portion which resiliently receives therein and conforms to the outer end of said bulb, said sleeve being opaque to inhibit lateral light emissions and holding said tubular member in end abutting relation to said lamp and in a stabilized projected relation thereto.
Claim 7
Dependent Claim 120 words
Adapter means for applying a light transmitting medium to a power source including an illuminable lamp and a cap for said lamp comprising in association with said cap and projecting therefrom a tubular member and a relatively resilient sleeve in surrounding close fitting relation to said member having one end thereof projecting beyond said member to contact and encase a portion of said lamp in surrounding close fitting relation thereto and to define thereby a direct path for light emitted from said lamp to move directly to and through said tubular member, said sleeve being opaque to inhibit lateral light emission and holding said tubular member in end abutting relation to said lamp and in a stabilized projected relation thereto.
Claim 8
Dependent Claim 120 words
Adapter means for applying a light transmitting medium to a power source including an illuminable lamp and a cap for said lamp comprising in association with said cap and projecting therefrom a tubular member and a relatively resilient sleeve in surrounding close fitting relation to said member having one end thereof projecting beyond said member to contact and encase a portion of said lamp in surrounding close fitting relation thereto and to define thereby a direct path for light emitted from said lamp to move directly to and through said tubular member, said sleeve being opaque to inhibit lateral light emission and holding said tubular member in end abutting relation to said lamp and in a stabilized projected relation thereto.
Claim 9
Dependent Claim 35 words
A device as in claim 4 characterized by said sleeve being shrunk fit to said lamp and said tubular member to establish said tubular member in end contacting relatively rigid projecting relation to said lamp.
Claim 10
Dependent Claim 104 words
Apparatus according to claim 4 characterized by said lamp being applied to a pen-type flashlight said cap being an apertured cap for said lamp in connection with said flashlight, the aperture in said cap accommodating the projection therethrough of said tubular member, there further being a solid flexible light guide means of longitudinally extended form, one end of which is inserted in and stabilized by said tubular member, the remainder of which may be flexed and bent past obstructions to produce a spot of light in an area normally difficult to light by conventional means, in a manner to maintain visibility of said area.
Claim 11
Dependent Claim 185 words
A light projecting device including a unit adapted to be held in the hand and terminating at one portion in an illuminable lamp having a cap tubular means fixed in axially projecting relation to said lamp and relative to said unit and said cap, said tubular means having a portion defining an inner bore so disposing relative to said lamp as to form a direct effective continuation thereof for an axial transmission of light, and a slender flexible light transmitting means having one end received in said inner bore portion of said tubular means to substantially contact with said lamp, said light transmitting means having a frictional bearing in said bore and extending through and beyond the outer end thereof for a selectively directed transmission of emitted light and said tubular means having in connection therewith resilient means for a stabilized mount of said light transmitting means in substantially end contacting relation to said lamp, said light transmitting means being adaptable anywhere along its length to orient selectively in the axis of said light means or to deviate therefrom without affecting its light transmitting capacity.
Claim 12
Dependent Claim 185 words
A light projecting device including a unit adapted to be held in the hand and terminating at one portion in an illuminable lamp having a cap tubular means fixed in axially projecting relation to said lamp and relative to said unit and said cap, said tubular means having a portion defining an inner bore so disposing relative to said lamp as to form a direct effective continuation thereof for an axial transmission of light, and a slender flexible light transmitting means having one end received in said inner bore portion of said tubular means to substantially contact with said lamp, said light transmitting means having a frictional bearing in said bore and extending through and beyond the outer end thereof for a selectively directed transmission of emitted light and said tubular means having in connection therewith resilient means for a stabilized mount of said light transmitting means in substantially end contacting relation to said lamp, said light transmitting means being adaptable anywhere along its length to orient selectively in the axis of said light means or to deviate therefrom without affecting its light transmitting capacity.
Claim 13
Dependent Claim 86 words
A light projecting device according to claim 7, wherein said tubular means is part of an adapter means comprising an Elongated eyelet defining said bore and adapted to seat at one end of said lamp and project therefrom, and further comprising a resilient sleeve in a surrounding close fitting relation to said eyelet and extending beyond the said one end thereof to achieve a similar surrounding close fitting relation to said lamp, holding said lamp and eyelet in a unitary relation and providing said stabilized mount.
Claim 14
Dependent Claim 84 words
A light projecting device according to claim 8, wherein said sleeve expands at the joint between said eyelet and said lamp to accommodate a larger diameter of the lamp, characterized by a cap mounted on said power generating unit in a surrounding relation to said lamp and having an axial end opening through which said eyelet projects, said cap at the periphery of said axial end opening having a bearing on said sleeve substantially at the said joint between said eyelet and said lamp.
Claim 15
Dependent Claim 189 words
A light projecting device including a portable power generating unit adapted to be held in the hand and terminating at one portion in an illuminable lamp, tubular means fixed in axially projecting relation to said lamp and relative to said unit, said tubular means having a portion defining an inner bore so disposing relative to said lamp as to form a direct effective continuation thereof for an axial transmission of light, and a slender flexible light transmitting means having one end received in said inner bore portion of said tubular means to substantially contact said lamp, said light transmitting means having a frictional bearing in said bore and extending through and beyond the outer end thereof for a selectively directed transmission of emitted light, said tubular means being a part of a cap mounted on said unit in a surrounding relation to said lamp and terminating in a reduced diameter portion beyond the lamp forming said bore, and a coil spring wound on the reduced diameter portion of said cap and extending therefrom in continuously wound relation to said slender flexible light transmitting means substantially throughout the length thereof.
Claim 16
Dependent Claim 189 words
A light projecting device including a portable power generating unit adapted to be held in the hand and terminating at one portion in an illuminable lamp, tubular means fixed in axially projecting relation to said lamp and relative to said unit, said tubular means having a portion defining an inner bore so disposing relative to said lamp as to form a direct effective continuation thereof for an axial transmission of light, and a slender flexible light transmitting means having one end received in said inner bore portion of said tubular means to substantially contact said lamp, said light transmitting means having a frictional bearing in said bore and extending through and beyond the outer end thereof for a selectively directed transmission of emitted light, said tubular means being a part of a cap mounted on said unit in a surrounding relation to said lamp and terminating in a reduced diameter portion beyond the lamp forming said bore, and a coil spring wound on the reduced diameter portion of said cap and extending therefrom in continuously wound relation to said slender flexible light transmitting means substantially throughout the length thereof.

References Cited (Backward Citations)

US1932143A Cited
US2273360A Cited
US2358867A Cited
US2424064A Cited
US2922873A Cited
US3327712A Cited
US3131690A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-05-31 1974-11-30 1975-06-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-05-31 1978-11-30 1979-06-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-05-31 1982-11-30 1983-06-01 $7700.00 Window Closed / Lapsed

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