US3636342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting bracket for photographic flashguns
Assignee: General Electric Co
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Filing: 1969-12-08
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Granted: 1972-01-18
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Expires: 1989-12-08
Abstract
Abstract A bracket for mounting a photographic flashgun on a camera is comprised of complementary front and back slidably interfitted members held together in assembled relation and clamped in place on the camera body by a fastening means.
Inventors
- 👤 Richard Blount
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:07
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/04; G03B15/041
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
359 words
A bracket for releasably mounting a flashgun by a depending foot portion thereof on a bandlike casing portion of a camera, said bracket comprising complementary front and back sheet metal members, said front member comprising a channel-shaped portion provided with a transverse guide slot in its web portion having a widened extension at one end located in the adjacent rear side flange of said front member, said guide slot forming a guideway open at the said one end for slidably receiving, through the said open end and widened slot extension, the said foot portion of the flashgun with the side edges of the guideway in said web portion received within cooperating guide grooves in the opposite side faces of said foot portion to thereby support the latter in place on said front member, said back member having at least a portion thereof disposed alongside and spaced outwardly from the said rear side flange of said front member, one of said members having a flat camming surface portion extending along the said guideway in the front member and facing toward and disposed parallel to but spaced inwardly from the inner side of the web portion of said front member a predetermined distance to engage with and depress a spring-loaded plunger mounted on and projecting from the bottom face of said foot portion on sliding insertion movement of said foot portion into the said guideway of said front member, and fastening means interconnecting said members for adjustment movement of said members relative to one another to clamp a free end of said back member and the free end of the front side flange of said front member against the opposite side edges of said camera casing so as to firmly secure the bracket in place thereon, said back member and the free end of the front side flange of said front member being formed with opposed inturned lip portions adapted to catch around the opposite side edges of the said bandlike casing of the camera, on clamping of the said members thereagainst by the said fastening means, to thereby lock the bracket securely in place against tilting movement on said casing.
Claim 2
Dependent Claim
359 words
A bracket for releasably mounting a flashgun by a depending foot portion thereof on a bandlike casing portion of a camera, said bracket comprising complementary front and back sheet metal members, said front member comprising a channel-shaped portion provided with a transverse guide slot in its web portion having a widened extension at one end located in the adjacent rear side flange of said front member, said guide slot forming a guideway open at the said one end for slidably receiving, through the said open end and widened slot extension, the said foot portion of the flashgun with the side edges of the guideway in said web portion received within cooperating guide grooves in the opposite side faces of said foot portion to thereby support the latter in place on said front member, said back member having at least a portion thereof disposed alongside and spaced outwardly from the said rear side flange of said front member, one of said members having a flat camming surface portion extending along the said guideway in the front member and facing toward and disposed parallel to but spaced inwardly from the inner side of the web portion of said front member a predetermined distance to engage with and depress a spring-loaded plunger mounted on and projecting from the bottom face of said foot portion on sliding insertion movement of said foot portion into the said guideway of said front member, and fastening means interconnecting said members for adjustment movement of said members relative to one another to clamp a free end of said back member and the free end of the front side flange of said front member against the opposite side edges of said camera casing so as to firmly secure the bracket in place thereon, said back member and the free end of the front side flange of said front member being formed with opposed inturned lip portions adapted to catch around the opposite side edges of the said bandlike casing of the camera, on clamping of the said members thereagainst by the said fastening means, to thereby lock the bracket securely in place against tilting movement on said casing.
Claim 3
Dependent Claim
37 words
A bracket as specified in claim 1 wherein the said fastening means comprises an adjustment screw passing through an aperture in the said back member and screw threaded into the rear side flange of said front member.
Claim 4
Dependent Claim
25 words
A bracket as specified in claim 1 wherein the said free end of the front side flange of said front member is offset outwardly thereof.
Claim 5
Dependent Claim
412 words
A bracket for releasably mounting a flashgun by a depending foot portion thereon a bandlike casing portion of a camera, said bracket comprising complementary front and back sheet metal members slidably interfitting with one another, said front member comprising a channel-shaped portion provided with a transverse guide slot in its web portion having a widened extension at one end located in the adjacent rear side flange of said front member, said guide slot forming a guideway open at the said one end for slidably receiving, through the said open end and widened slot extension, the said foot portion of the flashgun with the side edges of the guideway in said web portion received within cooperating guide grooves in the opposite side faces of said foot portion to thereby support the latter in place on said front member, said back member being L-shaped with one of its leg portions slidably insertable through the said widened slot extension in the said rear side flange of said front member and the other one of its leg portions disposed alongside and outwardly of the said rear side flange, one of said members having a flat camming surface portion extending along the said guideway in the front member and facing toward and disposed parallel to but spaced inwardly from the inner side of the web portion of said front member a predetermined distance to engage with and depress a spring-loaded plunger mounted on and projecting from the bottom face of said foot portion on sliding insertion movement of said foot portion into the said guideway of said front member, and fastening means interconnecting said members for slidable adjustment movement of said back member relative to said front member within the said widened slot extension thereof to clamp the free end of the front side flange of the front member and the free end of the said other leg portion of the back member against the opposite side edges of said camera casing so as to firmly secure the bracket in place thereon, the free end of the front side flange of said front member and the free end of the said other leg portion of the back member being formed with opposed inturned lip portions adapted to catch around the opposite side edges of the said bandlike casing of the camera, on clamping of the said members thereagainst by the said fastening means, to thereby lock the bracket securely in place against tilting movement on said casing.
Claim 6
Dependent Claim
412 words
A bracket for releasably mounting a flashgun by a depending foot portion thereon a bandlike casing portion of a camera, said bracket comprising complementary front and back sheet metal members slidably interfitting with one another, said front member comprising a channel-shaped portion provided with a transverse guide slot in its web portion having a widened extension at one end located in the adjacent rear side flange of said front member, said guide slot forming a guideway open at the said one end for slidably receiving, through the said open end and widened slot extension, the said foot portion of the flashgun with the side edges of the guideway in said web portion received within cooperating guide grooves in the opposite side faces of said foot portion to thereby support the latter in place on said front member, said back member being L-shaped with one of its leg portions slidably insertable through the said widened slot extension in the said rear side flange of said front member and the other one of its leg portions disposed alongside and outwardly of the said rear side flange, one of said members having a flat camming surface portion extending along the said guideway in the front member and facing toward and disposed parallel to but spaced inwardly from the inner side of the web portion of said front member a predetermined distance to engage with and depress a spring-loaded plunger mounted on and projecting from the bottom face of said foot portion on sliding insertion movement of said foot portion into the said guideway of said front member, and fastening means interconnecting said members for slidable adjustment movement of said back member relative to said front member within the said widened slot extension thereof to clamp the free end of the front side flange of the front member and the free end of the said other leg portion of the back member against the opposite side edges of said camera casing so as to firmly secure the bracket in place thereon, the free end of the front side flange of said front member and the free end of the said other leg portion of the back member being formed with opposed inturned lip portions adapted to catch around the opposite side edges of the said bandlike casing of the camera, on clamping of the said members thereagainst by the said fastening means, to thereby lock the bracket securely in place against tilting movement on said casing.
Claim 7
Dependent Claim
42 words
A bracket as specified in claim 4 wherein the said fastening means comprises an adjustment screw passing through an aperture in the said other leg portion of the back member and screw threaded into the rear side flange of said front member.
Claim 8
Dependent Claim
115 words
A bracket as specified in claim 4 wherein the said flat camming surface portion is constituted by that surface of the said one leg portion of said back member that faces the web portion of the front member, said one leg portion of the back member abutting at its free end against a stop shoulder on the front side flange of said front member and at its other end against the end of the said widened slot extension in the rear side flange of said front member to thereby locate the said camming surface portion at the said predetermined distance from and parallel to the inner side of the web portion of said front member.
Claim 9
Dependent Claim
507 words
A bracket for releasably mounting a flashgun by a depending foot portion thereof on a bandlike casing portion of a camera, said bracket comprising complementary front and back sheet metal members slidably interfitting with one another, said front member comprising a channel-shaped portion provided with a transverse guide slot in its web portion having a widened extension at one end located in the adjacent rear side flange of said front member, said guide slot forming a guideway open at the said one end for slidably receiving, through the said open end and widened slot extension, the said foot portion of the flashgun with the side edges of the guideway in said web portion received within cooperating guide grooves in the opposite side faces of said foot portion to thereby support the latter in place on said front member, said front member having a stop lug portion extending inwardly from its front siDe flange approximately parallel to but spaced inwardly from the inner side of its web portion, said back member being L-shaped with a camming leg portion insertable through and having a sliding fit within the said widened slot extension in the said rear side flange of said front member and a clamping leg portion disposed alongside and outwardly of the said rear side flange, the same camming leg portion of said back member having a flat camming surface portion extending along the said guideway in the front member and facing toward the inner side of the web portion of said front member, said camming leg portion abutting at its free end against the said stop lug portion of said front member and at its other end against the end of the said widened slot extension in the rear side flange of said front member to thereby locate the said camming surface portion a predetermined distance inwardly from and parallel to the inner side of the web portion of said front member to engage with and depress a spring-loaded plunger mounted on and projecting from the bottom face of said foot portion on sliding insertion movement of said foot portion into the said guideway of said front member, and fastening means interconnecting said members for slidable adjustment movement of said back member relative to said front member within the said widened slot extension thereof to clamp the free end of the front side flange of the front member and the free end of the said clamping leg portion of the back member against the opposite side edges of said camera casing so as to firmly secure the bracket in place thereon, the free end of the front side flange of said front member and the free end of the said clamping leg portion of the back member being formed with opposed inturned lip portions adapted to catch around the opposite side edges of the said bandlike casing of the camera, on clamping of the said members there against by the said fastening means, to thereby lock the bracket securely in place against tilting movement on said casing.
Claim 10
Dependent Claim
507 words
A bracket for releasably mounting a flashgun by a depending foot portion thereof on a bandlike casing portion of a camera, said bracket comprising complementary front and back sheet metal members slidably interfitting with one another, said front member comprising a channel-shaped portion provided with a transverse guide slot in its web portion having a widened extension at one end located in the adjacent rear side flange of said front member, said guide slot forming a guideway open at the said one end for slidably receiving, through the said open end and widened slot extension, the said foot portion of the flashgun with the side edges of the guideway in said web portion received within cooperating guide grooves in the opposite side faces of said foot portion to thereby support the latter in place on said front member, said front member having a stop lug portion extending inwardly from its front siDe flange approximately parallel to but spaced inwardly from the inner side of its web portion, said back member being L-shaped with a camming leg portion insertable through and having a sliding fit within the said widened slot extension in the said rear side flange of said front member and a clamping leg portion disposed alongside and outwardly of the said rear side flange, the same camming leg portion of said back member having a flat camming surface portion extending along the said guideway in the front member and facing toward the inner side of the web portion of said front member, said camming leg portion abutting at its free end against the said stop lug portion of said front member and at its other end against the end of the said widened slot extension in the rear side flange of said front member to thereby locate the said camming surface portion a predetermined distance inwardly from and parallel to the inner side of the web portion of said front member to engage with and depress a spring-loaded plunger mounted on and projecting from the bottom face of said foot portion on sliding insertion movement of said foot portion into the said guideway of said front member, and fastening means interconnecting said members for slidable adjustment movement of said back member relative to said front member within the said widened slot extension thereof to clamp the free end of the front side flange of the front member and the free end of the said clamping leg portion of the back member against the opposite side edges of said camera casing so as to firmly secure the bracket in place thereon, the free end of the front side flange of said front member and the free end of the said clamping leg portion of the back member being formed with opposed inturned lip portions adapted to catch around the opposite side edges of the said bandlike casing of the camera, on clamping of the said members there against by the said fastening means, to thereby lock the bracket securely in place against tilting movement on said casing.
Claim 11
Dependent Claim
68 words
A bracket as specified in claim 7 wherein the said stop lug on the front member and the said camming leg portion of the back member are provided with tongue and groove sliding interfit means thereon to guide the free end of the said camming leg of the back member during the sliding movement of said camming leg within the said widened slot extension of the front member.
Claim 12
Dependent Claim
55 words
A bracket as specified in claim 8 wherein the said tongue and groove sliding interfit means comprises a guideway on the free end of the said camming leg portion of the back member into which the said stop lug extends and is slidable to thereby guide the free end of the said camming leg portion.
Claim 13
Dependent Claim
41 words
A bracket as specified in claim 9 wherein the said fastening means comprises an adjustment screw passing through an aperture in the said clamping leg of the back member and screw threaded into the rear side flange of said front member.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-17 | 1975-07-19 | 1976-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-17 | 1979-07-19 | 1980-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-17 | 1983-07-19 | 1984-01-18 | $7700.00 | Window Closed / Lapsed |