EP0285384A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Disposable non-rewinding tape cassette
Assignee: Individual
•
Filing: 1988-03-30
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Granted: —
•
Expires: 2008-03-30
Abstract
Abstract A cassette for a tape comprising a cassette body (12), a takeup reel (42) and a supply reel (44). Each of the reels (42,44) is journalled for rotation about respective axes in the cassette body (12). Means for preventing the tape from being unwound from the takeup reel is provided. Means may also be provided for erasing the tape following the viewing of the tape.
Inventors
- 👤 Kevin M. Williamson
- 👤 Kyle L. Williamson
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 02:18
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B23/087
Claims Analysis
Total Claims: 44
Claim 1
Independent Claim
55 words
A cassette comprising a cassette body, a takeup reel, a supply reel, each of said reels being journalled for rotation relative to said cassette body about a respective center, a tape operable to move from said supply reel to said takeup reel and means for preventing said tape from being rewound onto said supply reel.
Claim 2
Dependent Claim
55 words
A cassette comprising a cassette body, a takeup reel, a supply reel, each of said reels being journalled for rotation relative to said cassette body about a respective center, a tape operable to move from said supply reel to said takeup reel and means for preventing said tape from being rewound onto said supply reel.
Claim 3
Dependent Claim
29 words
A cassette as in claim 1 wherein said means for preventing said tape from being rewound is a means inadequate to transmit proper rewind torque to said supply reel.
Claim 4
Dependent Claim
28 words
A cassette as in claim 2 wherein said means for preventing said tape from being rewound is a deformable core located at the centre of said supply reel.
Claim 5
Dependent Claim
25 words
A cassette as in claim 3 wherein said deformable core is an expanded flexible annulus engageable by a drive spindle of a video cassette recorder.
Claim 6
Dependent Claim
40 words
A cassette as in claim 4 wherein said expanded flexible annulus is mounted on said takeup reel, said annulus on said supply reel having a slightly larger inside diameter than the inside diameter of said annulus of said takeup reel.
Claim 7
Dependent Claim
32 words
A cassette as in claim 1 and further comprising removable lock means between said supply reel and said cassette body said lock means being operable to prevent said supply reel from rotating.
Claim 8
Dependent Claim
23 words
A cassette as in claim 6 wherein said lock means is a perforated tab connected between said cassette body and said supply reel.
Claim 9
Dependent Claim
48 words
A cassette comprising a cassette body, a takeup reel and a supply reel journalled for rotation about respective axes, each of said reels having a respective flange and a member cooperating with one of said flanges and being operable to prevent said supply reel from rewinding said tape.
Claim 10
Dependent Claim
48 words
A cassette comprising a cassette body, a takeup reel and a supply reel journalled for rotation about respective axes, each of said reels having a respective flange and a member cooperating with one of said flanges and being operable to prevent said supply reel from rewinding said tape.
Claim 11
Dependent Claim
15 words
A cassette as in claim 8 wherein said member is mounted on said one flange.
Claim 12
Dependent Claim
11 words
A cassette as in claim 9 wherein said member is angular.
Claim 13
Dependent Claim
41 words
A cassette as in claim 8 wherein said member is triangularly shaped and extends from said one flange of said takeup reel, said member being operable to contact said tape upon a rewinding operation and terminate movement of said takeup reel.
Claim 14
Dependent Claim
102 words
A cassette as in claim 8 wherein said member includes an angular upwardly sloping fin extending from said flange, said fin having a base end and a tail end, an anchor member mounted on said cassette body having a free end and a connected end, said anchor member being Z-shaped in cross section, said base end of said angularly upwardly sloping member being connected to a base, said base being mounted on said flange of said takeup reel, said angularly sloping fin being biased upwardly and to contact said anchor member upon rotation of said tape when said tape is being viewed.
Claim 15
Dependent Claim
42 words
A cassette as in claim 12 wherein said takeup reel is located adjacent a tape inlet, said anchor member being spaced from said tape inlet at an angle of approximately forty-five (45) degrees in the direction of normal play of said tape.
Claim 16
Dependent Claim
25 words
A cassette as in claim 8 and further including removable lock means operable to prevent said supply reel from rotating prior to viewing said tape.
Claim 17
Dependent Claim
24 words
A cassette as in claim 14 wherein said lock means includes a perforated tab connected between said cassette body and one of said reels.
Claim 18
Dependent Claim
30 words
A cassette comprising a tape, a cassette body, a takeup reel and a supply reel, journalled for rotation each about a respective axis, and tape erasing means contacting said tape.
Claim 19
Dependent Claim
30 words
A cassette comprising a tape, a cassette body, a takeup reel and a supply reel, journalled for rotation each about a respective axis, and tape erasing means contacting said tape.
Claim 20
Dependent Claim
14 words
A cassette as in claim 16 wherein said tape erasing means comprises a magnet.
Claim 21
Dependent Claim
22 words
A cassette as in claim 17 wherein said magnet contacts said tape prior to said tape being wound on said takeup reel.
Claim 22
Dependent Claim
27 words
A cassette as in claim 16 wherein said tape erasing means further. includes a second magnet, each of said magnets contacting a respective side of said tape.
Claim 23
Dependent Claim
19 words
A cassette as in claim 16 and further including lock means between said supply reel and said cassette body.
Claim 24
Dependent Claim
23 words
A cassette as in claim 20 wherein said lock means is a perforated tab connected between said supply reel and said cassette body.
Claim 25
Dependent Claim
60 words
A cassette having a cassette body, said cassette body having a face portion, a tape connected between a supply reel and a takeup reel and passing over said face portion, said body having a recess for each of said supply and takeup reels and at least one adhesive pad mounted on said face portion between said body and said tape.
Claim 26
Dependent Claim
60 words
A cassette having a cassette body, said cassette body having a face portion, a tape connected between a supply reel and a takeup reel and passing over said face portion, said body having a recess for each of said supply and takeup reels and at least one adhesive pad mounted on said face portion between said body and said tape.
Claim 27
Dependent Claim
38 words
A cassette as in claim 22 wherein two adhesive pads are mounted on said face portion, one of said pads being located adjacent said supply reel and the other of said pads being located adjacent said takeup reel.
Claim 28
Dependent Claim
76 words
A cassette comprising a cassette housing, a cassette body, first and second recesses in said body for a takeup and a supply reel, respectively, at least one flex member mounted on one of said housing or reel, a stop member mounted on the other of said housing or reel, said flex and stop members cooperating to allow rotation of said reel in a first direction and to prevent rotation of said reel in the opposite direction.
Claim 29
Dependent Claim
76 words
A cassette comprising a cassette housing, a cassette body, first and second recesses in said body for a takeup and a supply reel, respectively, at least one flex member mounted on one of said housing or reel, a stop member mounted on the other of said housing or reel, said flex and stop members cooperating to allow rotation of said reel in a first direction and to prevent rotation of said reel in the opposite direction.
Claim 30
Dependent Claim
52 words
A cassette as in claim 24 wherein said flex member further comprises a pin and a hole is positioned in one of said takeup or supply reels, said hole being operable to receive said pin in a press fit relationship and to hold flex member in a position substantially adjacent said reel.
Claim 31
Dependent Claim
27 words
A cassette as in claim 25 and further comprising an access passage to said hold, said access passage being accessible from a position external of said cassette.
Claim 32
Dependent Claim
24 words
A cassette as in claim 26 wherein said flex member is mounted on said reel and said stop member is mounted on said housing.
Claim 33
Dependent Claim
16 words
A cassette as in claim 27 wherein said flex member is mounted on said takeup reel.
Claim 34
Dependent Claim
70 words
A cassette comprising a body, first and second recesses in said body for a takeup reel and a supply reel, respectively, flexible and angularly mounted fin members extending from the hub of at least one of said reels, said fin members being operable to allow rotation of said one reel in a first direction and to prohibit rotation of said one reel in a direction opposite to said first direction.
Claim 35
Dependent Claim
70 words
A cassette comprising a body, first and second recesses in said body for a takeup reel and a supply reel, respectively, flexible and angularly mounted fin members extending from the hub of at least one of said reels, said fin members being operable to allow rotation of said one reel in a first direction and to prohibit rotation of said one reel in a direction opposite to said first direction.
Claim 36
Dependent Claim
23 words
A cassette as in claim 29 wherein said flexible and angularly mounted fin members are mounted on the hub of said takeup reel.
Claim 37
Dependent Claim
24 words
A cassette as in claim 30 wherein said flexible and angularly mounted fin members are also mounted on the hub of said supply reel.
Claim 38
Dependent Claim
49 words
A cassette comprising a body, a takeup reel, a supply reel mounted in said body, a tape connected between said takeup and supply reels and movable from said supply reel to said takeup reel and a magnet mounted adjacent said takeup reel and being operable to contact said tape.
Claim 39
Dependent Claim
49 words
A cassette comprising a body, a takeup reel, a supply reel mounted in said body, a tape connected between said takeup and supply reels and movable from said supply reel to said takeup reel and a magnet mounted adjacent said takeup reel and being operable to contact said tape.
Claim 40
Dependent Claim
15 words
A cassette as in claim 32 and further comprising a removable shield for said magnet.
Claim 41
Dependent Claim
24 words
A cassette as in claim 24 wherein said flex member is biased and operable to create a force between said housing and said reel.
Claim 42
Dependent Claim
33 words
A cassette as in claim 34 wherein one flex member is mounted between said takeup reel and said housing and a further flex member is mounted between said supply reel and said housing.
Claim 43
Dependent Claim
60 words
A cassette for a tape comprising a cassette body, a takeup reel and a supply reel, each of said reels being journalled for rotation relative to said cassette body about respective axes, a tape operable to move from said supply reel to said takeup reel and a first means for preventing said tape from being rewound onto said supply reel.
Claim 44
Dependent Claim
60 words
A cassette for a tape comprising a cassette body, a takeup reel and a supply reel, each of said reels being journalled for rotation relative to said cassette body about respective axes, a tape operable to move from said supply reel to said takeup reel and a first means for preventing said tape from being rewound onto said supply reel.
References Cited (Backward Citations)
No citation records indexed.
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