Patent US3431499A successfully refreshed from Google Patents.
US3747745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tape cartridge case
Assignee: Sony Corp
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Filing: 1971-02-11
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Granted: 1973-07-24
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Expires: 1991-02-11
Abstract
Abstract A tape cassette housing having two covers pivotally joined together by a side. Both covers have recesses to receive the raised portions on the sides of a cassette so that the overall dimensions of the case need be only slightly greater than the maximum dimensions of the cassette. Locking means on the inside surface of the covers extend through one of the reel holes in the cassette to hold the two covers together and prevent the cassette from falling out.
Inventors
- 👤 H Esashi
- 👤 T Matsumoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:59
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/67; B65D85/671; B65D85/672; B65D85/30; G; G11; G11B; G11B23/00; G11B23/02; G11B23/023; G11B23/0233
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
157 words
A case for housing a tape cassette which has substantially parallel top and bottom surfaces, tape access openings along a front surface, tape reel means therein, and holes in said top and bottom surfaces to permit access to said tape reel means, said case comprising: a bottom plate member; a top plate member; side means joined rigidly to said bottom plate member; hinge means connected with said side means whereby said top and bottom plate members may be pivotally moved apart; and an integral projection having a polygonal outer surface fitting with said tape reel means to prevent rotation thereof and extending from said bottom plate member toward said top plate member through said reel means to lock said plate members into position adjacent said surfaces of said cassette the space between said projection and said side means being substantially equal to the diatance between said holes in said top and bottom surfaces and said front surface.
Claim 2
Dependent Claim
157 words
A case for housing a tape cassette which has substantially parallel top and bottom surfaces, tape access openings along a front surface, tape reel means therein, and holes in said top and bottom surfaces to permit access to said tape reel means, said case comprising: a bottom plate member; a top plate member; side means joined rigidly to said bottom plate member; hinge means connected with said side means whereby said top and bottom plate members may be pivotally moved apart; and an integral projection having a polygonal outer surface fitting with said tape reel means to prevent rotation thereof and extending from said bottom plate member toward said top plate member through said reel means to lock said plate members into position adjacent said surfaces of said cassette the space between said projection and said side means being substantially equal to the diatance between said holes in said top and bottom surfaces and said front surface.
Claim 3
Dependent Claim
39 words
The invention as defined in claim 1 in which said case is of a resilient plastic material and said hinge means is an integral part of said plastic material and extends across the central region of said side means.
Claim 4
Dependent Claim
72 words
The case of claim 1 in which said plate members have recesses to receive raised portions of said top and bottom surfaces, the thickness of each of said plate members being greater than the height of said raised portions, and said recesses forming depressions extending into but not through said plate members to receive said raised portions, the depth of said depressions being substantially equal to the height of said raised portions.
Claim 5
Dependent Claim
32 words
The invention as defined in claim 1 in which said plate members have recesses along edges thereof perpendicular to said side means to receive raised portions of said top and bottom surfaces.
Claim 6
Dependent Claim
31 words
The case of claim 1 in which said other plate member has a hole therein aligned with said projection, and said projection snaps into engagement with the perimeter of said hole.
Claim 7
Dependent Claim
51 words
The case of claim 1 comprising, in addition, a second integral projection extending from the inner surfaces of said other plate member and comprising longitudinal outwardly-directed ribs, said first-named projection being a hollow cylinder and said second projection extending into said first-named projection with said ribs frictionally engaging said first-named projection.
Claim 8
Dependent Claim
48 words
The case of claim 1 in which said first-named projection is a hollow cylinder and said second projection is cylindrical and extends from the inner surface of said top plate member into said hollow cylinder, and said first-named projection comprises longitudinal, inwardly-directed ribs to engage said second projection.
Claim 9
Dependent Claim
78 words
The case of claim 1 in which said top plate member comprises first and second windows along opposite edges to receive a raised portion of the top surface of said cassette; and said bottom plate member has third and fourth windows juxtaposed with respect to said first and second windows to receive a raised portion of the bottom surface of said cassette; and said projection is located on a line substantially midway between said third and fourth windows.
Claim 10
Dependent Claim
17 words
The case of claim 8 in which said windows are along edges parallel to said hinge means.
Claim 11
Dependent Claim
17 words
The case of claim 8 in which said windows are along edges perpendicular to said hinge 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) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |