Patent US3712557A successfully refreshed from Google Patents.
US3712557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cassette and supply reel for use in cassette-loaded cinematographic apparatus
Assignee: Agfa Gevaert AG
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Filing: 1971-03-25
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Granted: 1973-01-23
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Expires: 1991-03-25
Abstract
Abstract A cassette for use in cassette-loaded motion picture projectors has a pair of sections one of which carries a separable retaining member which can be used to secure the inner end of convoluted motion picture film to the hub of a supply reel. The retaining member is glued to or integral with the respective section and can be broken off by the user to be inserted into a socket of the supply reel in order to clamp the inner end of the film against the inner side of the hub. The position of the retaining member on the one section can be such that a supply reel can be inserted into the housing only when the retaining member is detached. The retaining member does not interfere with insertion of an empty supply reel.
Inventors
- 👤 V Stenzenberger
- 👤 K Fuchsle
- 👤 F Hennig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:15
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/321; G03B21/323
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
88 words
A cassette for use in cassette-loaded cinematographic apparatus, comprising a housing defining a chamber for reception of a reel of the type having a hub surrounded by a supply of convoluted motion picture film having an inner end adjacent to the hub; and a film retaining member separably secured to said housing in a first position, said member being movable upon separation thereof from said housing to a film retaining second position in which said member clamps the inner end of film to the hub of a reel.
Claim 2
Dependent Claim
88 words
A cassette for use in cassette-loaded cinematographic apparatus, comprising a housing defining a chamber for reception of a reel of the type having a hub surrounded by a supply of convoluted motion picture film having an inner end adjacent to the hub; and a film retaining member separably secured to said housing in a first position, said member being movable upon separation thereof from said housing to a film retaining second position in which said member clamps the inner end of film to the hub of a reel.
Claim 3
Dependent Claim
82 words
A cassette for use in cassette-loaded cinematographic apparatus, comprising a housing defining a chamber for reception of a reel of the type having a hub surrounded by a supply of convoluted motion picture film having an inner end adjacent to the hub; and a film retaining member for clamping the inner end of film to the hub of a reel, said retaining member being separably secured to said housing in a region other than that occupied by a reel in said chamber.
Claim 4
Dependent Claim
82 words
A cassette for use in cassette-loaded cinematographic apparatus, comprising a housing defining a chamber for reception of a reel of the type having a hub surrounded by a supply of convoluted motion picture film having an inner end adjacent to the hub; and a film retaining member for clamping the inner end of film to the hub of a reel, said retaining member being separably secured to said housing in a region other than that occupied by a reel in said chamber.
Claim 5
Dependent Claim
21 words
A cAssette as defined in claim 1, wherein said retaining member is located in said chamber in said first position thereof.
Claim 6
Dependent Claim
33 words
A cassette as defined in claim 3, wherein said retaining member is located in said first position thereof in that portion of said chamber which is occupied by a properly inserted film-supporting reel.
Claim 7
Dependent Claim
96 words
A cassette for use in cassette-loaded cinematographic apparatus, comprising a housing defining a chamber for reception of a reel of the type having a hub surrounded by a supply of convoluted motion picture film whose inner end is adjacent to the hub and a pair of spaced flanges extending radially outwardly from the hub; and a film retaining member for clamping the inner end of film to the hub of a reel, said retaining member being separably secured to said housing and being located in said chamber between the flanges of a properly inserted film-supporting reel.
Claim 8
Dependent Claim
96 words
A cassette for use in cassette-loaded cinematographic apparatus, comprising a housing defining a chamber for reception of a reel of the type having a hub surrounded by a supply of convoluted motion picture film whose inner end is adjacent to the hub and a pair of spaced flanges extending radially outwardly from the hub; and a film retaining member for clamping the inner end of film to the hub of a reel, said retaining member being separably secured to said housing and being located in said chamber between the flanges of a properly inserted film-supporting reel.
Claim 9
Dependent Claim
72 words
A cassette for use in cassette-loaded cinematographic apparatus, comprising a housing defining a chamber for reception of a reel of the type having a hub surrounded by a supply of convoluted motion picture film having an inner end adjacent to the hub; and a film retaining member for clamping the inner end of film to the hub of a reel, said retaining member being separably secured to said housing by an adhesive.
Claim 10
Dependent Claim
72 words
A cassette for use in cassette-loaded cinematographic apparatus, comprising a housing defining a chamber for reception of a reel of the type having a hub surrounded by a supply of convoluted motion picture film having an inner end adjacent to the hub; and a film retaining member for clamping the inner end of film to the hub of a reel, said retaining member being separably secured to said housing by an adhesive.
Claim 11
Dependent Claim
71 words
A cassette for use in cassette-loaded cinematographic apparatus, comprising a housing defining a chamber for reception of a reel of the type having a hub surrounded by a supply of convoluted motion picture film having an inner end adjacent to the hub; and a film retaining member for clamping the inner end of film to the hub of a reel, said retaining member being integral with and separable from said housing.
Claim 12
Dependent Claim
71 words
A cassette for use in cassette-loaded cinematographic apparatus, comprising a housing defining a chamber for reception of a reel of the type having a hub surrounded by a supply of convoluted motion picture film having an inner end adjacent to the hub; and a film retaining member for clamping the inner end of film to the hub of a reel, said retaining member being integral with and separable from said housing.
Claim 13
Dependent Claim
21 words
A cassette as defined in claim 7, wherein said housing comprises readily breakable portions connecting said retaining member with the housing.
Claim 14
Dependent Claim
27 words
A cassette as defined in claim 8, wherein said readily breakable portions are located without the path of film on a properly inserted reel in said chamber.
Claim 15
Dependent Claim
77 words
A cassette for use in cassette-loaded cinematographic apparatus, comprising a housing comprising a plurality of separable sections defining a chamber for reception of a reel of the type having a hub surrounded by a supply of convoluted motion picture film having an inner end adjacent to the hub; and a film retaining member for clamping the inner end of film to the hub of a reel, said retaining member being separably secured to one of said sections.
Claim 16
Dependent Claim
77 words
A cassette for use in cassette-loaded cinematographic apparatus, comprising a housing comprising a plurality of separable sections defining a chamber for reception of a reel of the type having a hub surrounded by a supply of convoluted motion picture film having an inner end adjacent to the hub; and a film retaining member for clamping the inner end of film to the hub of a reel, said retaining member being separably secured to one of said sections.
Claim 17
Dependent Claim
26 words
A cassette as defined in claim 10, further comprising film confining means provided on said one section, said retaining member being secured to said confining means.
Claim 18
Dependent Claim
160 words
A reel for storage in cassettes for use in cassette-loaded cinematographic apparatus, comprising a substantially cylindrical hub having a slot; a pair of flanges extending radially outwardly from the axial ends of said hub; a central core surrounded by and spaced from said hub; connecting means extending between said hub and said core, said connecting means defining with said hub and said core a socket communicating with said slot and arranged to receive the inner end of a supply of motion picture film which is convoluted on said hub between said flanges, said connecting means comprising a pair of substantially radially extending arms flanking said socket; and a film retaining member at least partially received in a portion of said socket to urge the inner end of the film against said hub, said retaining member including an arcuate portion inwardly adjacent to said hub in said socket and two legs each abutting against a different arm of said connecting means.
Claim 19
Dependent Claim
160 words
A reel for storage in cassettes for use in cassette-loaded cinematographic apparatus, comprising a substantially cylindrical hub having a slot; a pair of flanges extending radially outwardly from the axial ends of said hub; a central core surrounded by and spaced from said hub; connecting means extending between said hub and said core, said connecting means defining with said hub and said core a socket communicating with said slot and arranged to receive the inner end of a supply of motion picture film which is convoluted on said hub between said flanges, said connecting means comprising a pair of substantially radially extending arms flanking said socket; and a film retaining member at least partially received in a portion of said socket to urge the inner end of the film against said hub, said retaining member including an arcuate portion inwardly adjacent to said hub in said socket and two legs each abutting against a different arm of said connecting means.
Claim 20
Dependent Claim
23 words
A reel as defined in claim 12, wherein said retaining member further includes friction generating means engaging with the film in said socket.
Claim 21
Dependent Claim
158 words
A reel for storage in cassettes for use in cassette-loaded cinematographic apparatus, comprising a substantially cylindrical hub having a slot; a pair of flanges extending radially outwardly from the axial ends of said hub; a cEntral core surrounded by and spaced from said hub; connecting means extending between said hub and said core, said connecting means defining with said hub and said core a socket communicating with said slot and arranged to receive the inner end of a supply of motion picture film which is convoluted on said hub between said flanges; and a U-shaped film retaining member at least partially received in a portion of said socket to urge the inner end of the film against the hub, said retaining member comprising two legs one of which is outwardly adjacent to said hub and the other of which is inwardly adjacent to said hub in said socket to bias the inner end of film against said hub.
Claim 22
Dependent Claim
158 words
A reel for storage in cassettes for use in cassette-loaded cinematographic apparatus, comprising a substantially cylindrical hub having a slot; a pair of flanges extending radially outwardly from the axial ends of said hub; a cEntral core surrounded by and spaced from said hub; connecting means extending between said hub and said core, said connecting means defining with said hub and said core a socket communicating with said slot and arranged to receive the inner end of a supply of motion picture film which is convoluted on said hub between said flanges; and a U-shaped film retaining member at least partially received in a portion of said socket to urge the inner end of the film against the hub, said retaining member comprising two legs one of which is outwardly adjacent to said hub and the other of which is inwardly adjacent to said hub in said socket to bias the inner end of film against said hub.
References Cited (Backward Citations)
US3354776A
Cited
DE1296509B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |