Patent US3870874A successfully refreshed from Google Patents.
US3870874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-contained light source device for center mounting of photographic reflector
Assignee: Individual
•
Filing: 1973-07-23
•
Granted: 1975-03-11
•
Expires: 1993-07-23
Abstract
Abstract A photographic light source for use in photography wherein the unit is self-contained and is provided with means to centrally mount a reflector apparatus or device which is utilized in photography for obtaining light balance with respect to the subject of which photographs are to be made. The uniqueness of center mounting permits ease of handling the reflector with which the device of the invention is utilized thereby permitting ease of handling because of placement of center of gravity of the reflector in conjunction with the self-contained light source of the invention thereby insuring stability.
Inventors
- 👤 Raymond George Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:48
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/06
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
289 words
A photography light source device for cooperative center mounting of a reflector comprising the combination of: an outer housing forming an interior chamber and having a flared end which is of larger diameter than the remainder of said housing; a rear wall member secured to said housing opposite said flared end; a front wall member inwardly positioned with respect to said flared end and secured to said housing adjacent said flared end; said front wall and the interior surface of said flared end having light reflective surfaces; each of said front and rear wall members having aligned outwardly extending boss-like members having a bore therethrough an elongate sleeve member disposed within the bore of said boss-like members and extending through said interior chamber; means for securing said sleeve member to said boss-like members; an elongate rod shiftably disposed in said sleeve member for mounting a light reflector; said boss-like members extending a sufficient distance exteriorly of said front and rear walls to provide a support for said elongate sleeve member and said elongated rod when the latter is positioned within said sleeve member; a light source mounted within said flared end of said outer housing; a light-protective screen or grid member secured to the front wall boss-like member in front of said light source; means secured to the side of the outer housing for mounting said housing or a tripod support member; said sleeve member and said rear boss-like member having aligned threaded openings when secured together adapted to receive a thumbscrew for locking said elongate rod in selected positions; and electrical means mounted within said chamber in electrical conductive relationship with said light source and adapted to be connected to an energy source to energize said light source.
Claim 2
Dependent Claim
289 words
A photography light source device for cooperative center mounting of a reflector comprising the combination of: an outer housing forming an interior chamber and having a flared end which is of larger diameter than the remainder of said housing; a rear wall member secured to said housing opposite said flared end; a front wall member inwardly positioned with respect to said flared end and secured to said housing adjacent said flared end; said front wall and the interior surface of said flared end having light reflective surfaces; each of said front and rear wall members having aligned outwardly extending boss-like members having a bore therethrough an elongate sleeve member disposed within the bore of said boss-like members and extending through said interior chamber; means for securing said sleeve member to said boss-like members; an elongate rod shiftably disposed in said sleeve member for mounting a light reflector; said boss-like members extending a sufficient distance exteriorly of said front and rear walls to provide a support for said elongate sleeve member and said elongated rod when the latter is positioned within said sleeve member; a light source mounted within said flared end of said outer housing; a light-protective screen or grid member secured to the front wall boss-like member in front of said light source; means secured to the side of the outer housing for mounting said housing or a tripod support member; said sleeve member and said rear boss-like member having aligned threaded openings when secured together adapted to receive a thumbscrew for locking said elongate rod in selected positions; and electrical means mounted within said chamber in electrical conductive relationship with said light source and adapted to be connected to an energy source to energize said light source.
Claim 3
Dependent Claim
289 words
A photography light source device for cooperative center mounting of a reflector comprising the combination of: an outer housing forming an interior chamber and having a flared end which is of larger diameter than the remainder of said housing; a rear wall member secured to said housing opposite said flared end; a front wall member inwardly positioned with respect to said flared end and secured to said housing adjacent said flared end; said front wall and the interior surface of said flared end having light reflective surfaces; each of said front and rear wall members having aligned outwardly extending boss-like members having a bore therethrough an elongate sleeve member disposed within the bore of said boss-like members and extending through said interior chamber; means for securing said sleeve member to said boss-like members; an elongate rod shiftably disposed in said sleeve member for mounting a light reflector; said boss-like members extending a sufficient distance exteriorly of said front and rear walls to provide a support for said elongate sleeve member and said elongated rod when the latter is positioned within said sleeve member; a light source mounted within said flared end of said outer housing; a light-protective screen or grid member secured to the front wall boss-like member in front of said light source; means secured to the side of the outer housing for mounting said housing or a tripod support member; said sleeve member and said rear boss-like member having aligned threaded openings when secured together adapted to receive a thumbscrew for locking said elongate rod in selected positions; and electrical means mounted within said chamber in electrical conductive relationship with said light source and adapted to be connected to an energy source to energize said light source.
Claim 4
Dependent Claim
289 words
A photography light source device for cooperative center mounting of a reflector comprising the combination of: an outer housing forming an interior chamber and having a flared end which is of larger diameter than the remainder of said housing; a rear wall member secured to said housing opposite said flared end; a front wall member inwardly positioned with respect to said flared end and secured to said housing adjacent said flared end; said front wall and the interior surface of said flared end having light reflective surfaces; each of said front and rear wall members having aligned outwardly extending boss-like members having a bore therethrough an elongate sleeve member disposed within the bore of said boss-like members and extending through said interior chamber; means for securing said sleeve member to said boss-like members; an elongate rod shiftably disposed in said sleeve member for mounting a light reflector; said boss-like members extending a sufficient distance exteriorly of said front and rear walls to provide a support for said elongate sleeve member and said elongated rod when the latter is positioned within said sleeve member; a light source mounted within said flared end of said outer housing; a light-protective screen or grid member secured to the front wall boss-like member in front of said light source; means secured to the side of the outer housing for mounting said housing or a tripod support member; said sleeve member and said rear boss-like member having aligned threaded openings when secured together adapted to receive a thumbscrew for locking said elongate rod in selected positions; and electrical means mounted within said chamber in electrical conductive relationship with said light source and adapted to be connected to an energy source to energize said light source.
Claim 5
Dependent Claim
30 words
The device in accordance with claim 1 wherein each said boss-like members have at least one threaded aperture carrying a set screw to retain said sleeve in secured relationship therewith.
References Cited (Backward Citations)
US2794906A
Cited
US3294962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-10 | 1978-09-09 | 1979-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-10 | 1982-09-09 | 1983-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-10 | 1986-09-09 | 1987-03-11 | $7700.00 | Window Closed / Lapsed |