US3704940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unitary projector player
Assignee: Individual
•
Filing: 1971-08-12
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Granted: 1972-12-05
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Expires: 1991-08-12
Abstract
Abstract A self-contained unitary projector-player unit to provide a complete entertainment center within itself including a housing, a projector in the housing, a rear projector screen formed in the sidewall of the housing and including a film cartridge change mechanism for handling a plurality of film cartridges and sequentially inserting a cartridge from a stack of cartridges into the projector-player, withdrawing the cartridge after play has been completed, stacking the used cartridge in a receiving receptacle, and inserting the next cartridge in sequence into the projector player.
Inventors
- 👤 Ray C Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:15
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/321; G03B21/323; G11; G11B; G11B15/00; G11B15/675; G11B15/68; G11B15/6885
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
151 words
In a self-contained automatic film cartridge projector apparatus the combination comprising: a housing having a plurality of side walls; a rear projection screen disposed in one of said side walls of said housing; film projector means disposed in said housing for projecting images on said screen; a fixed base; a horizontally movable slide mechanism mounted for reciprocating sliding movement on said base for sequentially injecting film cartridges into the projector; injector arm means mounted on said slide mechanism and carrying a pair of injector pins adapted to contact a pair of opposed horizontally extending arms on the film cartridge during the injection cycle; ejector arm means also mounted on said slide mechanism and carrying a pair of ejector pins adapted to contact the arms on said cartridges during the ejection cycle; and guide means effective to cause said ejector pins to clear the arms of said cartridges during the injection cycle.
Claim 2
Dependent Claim
151 words
In a self-contained automatic film cartridge projector apparatus the combination comprising: a housing having a plurality of side walls; a rear projection screen disposed in one of said side walls of said housing; film projector means disposed in said housing for projecting images on said screen; a fixed base; a horizontally movable slide mechanism mounted for reciprocating sliding movement on said base for sequentially injecting film cartridges into the projector; injector arm means mounted on said slide mechanism and carrying a pair of injector pins adapted to contact a pair of opposed horizontally extending arms on the film cartridge during the injection cycle; ejector arm means also mounted on said slide mechanism and carrying a pair of ejector pins adapted to contact the arms on said cartridges during the ejection cycle; and guide means effective to cause said ejector pins to clear the arms of said cartridges during the injection cycle.
Claim 3
Dependent Claim
44 words
The combination of claim 1 wherein said ejector arm means comprises: a pair of pivotally mounted arms each carrying one of said ejector pins; and spring bias means connected to said arms and to said slide mechanism and effective to bias said arms together.
Claim 4
Dependent Claim
38 words
The combination of claim 2 wherein said guide means comprises: a guide block formed with a recessed continuous groove in the face of said block; and a guide pin mounted on said ejector arm and engaging said groove.
Claim 5
Dependent Claim
55 words
The combination of claim 3 wherein said continuous groove is in the form of an elongated rectaNgle disposed parallel to the direction of travel of said slide mechanism and in which said guide pin engages the groove nearest to said slide mechanism during the ejection cycle and engages to outermost groove during the injection cycle.
Claim 6
Dependent Claim
37 words
The combination of claim 4 including: a torsion arm mounted within said groove and effective to direct said guide pin into said outermost groove upon completion of an ejection cycle and commencement of the next injection cycle.
Claim 7
Dependent Claim
29 words
The combination of claim 1 including: a pair of vertically mounted guide channels disposed above said slide mechanism and effective to retain the arms of a stack of cartridges.
Claim 8
Dependent Claim
36 words
The combination of claim 1 including: a cartridge receiving receptacle mounted above said slide mechanism and having a sloping ramp by means of which said cartridges are removed from said slide mechanism during the ejection cycle.
Claim 9
Dependent Claim
47 words
The combination of claim 1 including drive means for driving said slide mechanism comprising: a electric drive motor carrying a pinion gear; and a rack engaged by said pinion gear with one of said elements being mounted on said base and the other on said slide mechanism.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-12-05 | 1976-06-05 | 1976-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-05 | 1980-06-05 | 1980-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-05 | 1984-06-05 | 1984-12-05 | $7700.00 | Window Closed / Lapsed |