Patent US1922400A successfully refreshed from Google Patents.
US3748985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoflash apparatus
Assignee: Polaroid Corp
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Filing: 1972-06-08
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Granted: 1973-07-31
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Expires: 1992-06-08
Abstract
Abstract An extremely shallow flash socket assembly for use in or with a photographic camera is constructed to receive a multilamp flash assembly having at least one array of lamps facing in a common direction and a thin, shallow connector blade adapted to be inserted into the socket assembly. Anti-roll, anti-pitch, and anti-yaw structures are provided for accurately orienting and stabilizing the flash assembly in the socket assembly.
Inventors
- 👤 E Brandt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:39
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/03; G03B15/04; G03B15/041; G03B15/0426
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
472 words
A photographic camera having a picture-taking axis, a socket assembly for receiving and retaining a multilamp flash assembly having first and second like but oppositely facing linear arrays of lamps of common orientation and a planar support structure perpendicular to the arrays of lamps from which extends a connector blade carrying on opposite faces of the blade corresponding in orientation to the orientation of the first and second arrays of lamps first and second electrically isolated sets of electrical terminal strips for the lamps in the first and second lamp arrays, respectively, the strips in each set being arranged in parallel along the direction of insertion of the flash assembly into said socket assembly, said camera comprising: a camera housing section; means defining a boss extending outwardly from said camera housing section; means defining An entrance slot in said boss for the connector blade which is perpendicular to said picture-taking axis of the camera, said means defining said entrance slot including antiroll surface means for engaging the planar support structure of the flash assembly at laterally spaced points to accurately orient the flash assembly and to stably support the flash assembly against rolling movement about an axis normal to the connector blade when the latter is fully inserted into said socket assembly and at points on opposite sides of the connector blade for stabilizing movement of the flash assembly about a pitch axis; blade support means for guiding the blade of the flash assembly from said entrance slot into an operative position within said socket assembly and for supporting the blade in said operative position, said blade support means including electrically insulative rear support surface means defining a support plane parallel to a roll reference line defined by said anti-roll surface means and perpendicular to said picture-taking axis of said camera; contact means mounted within said socket assembly and extending toward but short of said entrance slot for making electrical contact exclusively with the terminal strips on the forwardly directed face of the blade of a flash assembly operatively connected in said socket assembly, comprising a stationary set of parallel and rearwardly facing resilient contact members arranged to register with and to engage the strips with a lengthwise wiping action when the connector blade of a flash assembly is inserted into said socket assembly, said contact members exerting a predetermined loading of the blade against said rear support surface means of said blade support means which is effective to restrain pitch and yaw movement of the flash assembly and which is such that the frictional forces exerted on the blade by said contact members and by said rear support surface means are solely effective to retain the flash assembly securely in said socket assembly; and means for confining side-to-side translational movement of the blade in said socket assembly within predetermined narrow limits.
Claim 2
Dependent Claim
472 words
A photographic camera having a picture-taking axis, a socket assembly for receiving and retaining a multilamp flash assembly having first and second like but oppositely facing linear arrays of lamps of common orientation and a planar support structure perpendicular to the arrays of lamps from which extends a connector blade carrying on opposite faces of the blade corresponding in orientation to the orientation of the first and second arrays of lamps first and second electrically isolated sets of electrical terminal strips for the lamps in the first and second lamp arrays, respectively, the strips in each set being arranged in parallel along the direction of insertion of the flash assembly into said socket assembly, said camera comprising: a camera housing section; means defining a boss extending outwardly from said camera housing section; means defining An entrance slot in said boss for the connector blade which is perpendicular to said picture-taking axis of the camera, said means defining said entrance slot including antiroll surface means for engaging the planar support structure of the flash assembly at laterally spaced points to accurately orient the flash assembly and to stably support the flash assembly against rolling movement about an axis normal to the connector blade when the latter is fully inserted into said socket assembly and at points on opposite sides of the connector blade for stabilizing movement of the flash assembly about a pitch axis; blade support means for guiding the blade of the flash assembly from said entrance slot into an operative position within said socket assembly and for supporting the blade in said operative position, said blade support means including electrically insulative rear support surface means defining a support plane parallel to a roll reference line defined by said anti-roll surface means and perpendicular to said picture-taking axis of said camera; contact means mounted within said socket assembly and extending toward but short of said entrance slot for making electrical contact exclusively with the terminal strips on the forwardly directed face of the blade of a flash assembly operatively connected in said socket assembly, comprising a stationary set of parallel and rearwardly facing resilient contact members arranged to register with and to engage the strips with a lengthwise wiping action when the connector blade of a flash assembly is inserted into said socket assembly, said contact members exerting a predetermined loading of the blade against said rear support surface means of said blade support means which is effective to restrain pitch and yaw movement of the flash assembly and which is such that the frictional forces exerted on the blade by said contact members and by said rear support surface means are solely effective to retain the flash assembly securely in said socket assembly; and means for confining side-to-side translational movement of the blade in said socket assembly within predetermined narrow limits.
Claim 3
Dependent Claim
53 words
The camera defined by claim 1 wherein said socket assembly includes a body composed of a plastic material and having formed integrally therein said means defining an entrance slot and said blade support means, said body defining an outwardly beveled mouth surrounding said entrance slot for guiding the blade into said entrance slot.
Claim 4
Dependent Claim
79 words
The camera defined by claim 1 wherein said blade support means defines opposed end support surfaces having lip portions, one adjacent and beneath each end of said entrance slot for engaging opposite ends of the connector blade received in said socket assembly to effect said confinement of side-to-side translational movement of the blade, said end support surfaces being undercut below said lip portions to cause said end support surfaces to engage the connector blade only at said lip portions.
Claim 5
Dependent Claim
155 words
A flash assembly for use with a camera of the type having a housing including a surface surrounding a raised flash assembly receiving socket, said flash assembly comprising: means for supporting a plurality of photoflash lamps of common orientation; connector means extending from said support means and adapted to be received by said socket; a plurality of terminals connected to said lamps, said terminals being mounted on said connector means for making electrical engagement with contacts located within said socket, said terminals extending in a row transverse to the direction of insertion of said connector means into said socket assembly; and means protruding from said support means for engaging said surface to limit rotation of said flash assembly about an axis parallel to the camera''s lens axis, said protruding means being adapted to engage said surface prior to one of said terminals rotating out of electrical engagement with one of said contacts in said socket.
Claim 6
Dependent Claim
155 words
A flash assembly for use with a camera of the type having a housing including a surface surrounding a raised flash assembly receiving socket, said flash assembly comprising: means for supporting a plurality of photoflash lamps of common orientation; connector means extending from said support means and adapted to be received by said socket; a plurality of terminals connected to said lamps, said terminals being mounted on said connector means for making electrical engagement with contacts located within said socket, said terminals extending in a row transverse to the direction of insertion of said connector means into said socket assembly; and means protruding from said support means for engaging said surface to limit rotation of said flash assembly about an axis parallel to the camera''s lens axis, said protruding means being adapted to engage said surface prior to one of said terminals rotating out of electrical engagement with one of said contacts in said socket.
Claim 7
Dependent Claim
24 words
A flash assembly is deFined in claim 4 wherein said protruding means includes at least one protrusion on each side of said connector means.
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) | 1976-07-30 | 1977-01-29 | 1977-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-30 | 1981-01-29 | 1981-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-30 | 1985-01-29 | 1985-07-31 | $7700.00 | Window Closed / Lapsed |