US4685638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cassette for accommodating electrically conductive film
Assignee: Fujifilm Holdings Corp
•
Filing: 1986-01-14
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Granted: 1987-08-11
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Expires: 2006-01-14
Abstract
Abstract A cassette for recording an image on a film which has an electrically conductive layer which is wound on a reel rotatably supported within a cassette casing includes a contact piece for grounding which is mounted on a reel body. A clamp is engaged with the reel body so as to press the film against the contact piece. The contact piece slide-contacts a reel retainer secured to the cassette casing, thereby allowing the film to be electrically connected to the reel retainer through the contact piece. The reel container is connected to a contact member which projects to the outside of the cassette casing, and this contact member is connected to a contact provided on an apparatus into which the cassette is loaded, thereby effecting grounding.
Inventors
- 👤 Yasuhiko Satoyoshi
- 👤 Koji Wada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:46
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/75; G03G15/754; G11; G11B; G11B23/00; G11B23/02; G11B23/04; G11B23/08; G11B23/087; Y; Y10; Y10S; Y10S242/00; Y10S242/906
Claims Analysis
Total Claims: 45
Claim 1
Independent Claim
104 words
A cassette for accommodating a film which has an electrically conductive layer, comprising: (a) a reel body having a recess formed in the outer peripheral portion of its hub; (b) a contact piece for grounding which is disposed on said reel body such that a portion of said contact piece is positioned in said recess; and (c) a clamp fitted into said recess so as to retain one end of said film between the same and said recess and press said film against said contact piece, whereby the end portion of said film wound on said reel body is grounded through said contact piece.
Claim 2
Dependent Claim
104 words
A cassette for accommodating a film which has an electrically conductive layer, comprising: (a) a reel body having a recess formed in the outer peripheral portion of its hub; (b) a contact piece for grounding which is disposed on said reel body such that a portion of said contact piece is positioned in said recess; and (c) a clamp fitted into said recess so as to retain one end of said film between the same and said recess and press said film against said contact piece, whereby the end portion of said film wound on said reel body is grounded through said contact piece.
Claim 3
Dependent Claim
35 words
A cassette according to claim 1, wherein said contact piece is formed from a leaf spring material so as to clamp said film between the same and said clamp by means of a resilient force.
Claim 4
Dependent Claim
41 words
A cassette according to claim 1, wherein said clamp is provided with a projection, and said contact piece is provided with a notch such that said clamp projection enters said notch to clamp said film between said notch and said projection.
Claim 5
Dependent Claim
22 words
A cassette according to claim 3, wherein said contact piece has one end thereof supported by said hub in a cantilever fashion.
Claim 6
Dependent Claim
110 words
A cassette according to claim 3, wherein said clamp includes: a pair of leg plate portions each having a step portion formed on the outer side thereof, said steps respectively engaging with step portions formed on said hub, thereby preventing said clamp from coming out of said recess; and a bent plate portion connecting said pair of leg plate portions, said bent plate portion having a bent portion which defines said projection, and said bent plate portion causing said pair of leg plate portions to separate from each other, whereby said step portions of said leg plate portions are rigidly engaged with the corresponding step portions provided on said hub.
Claim 7
Dependent Claim
27 words
A cassette according to claim 4, wherein said notch extends longitudinally of said contact piece and communicates with the outside at one end of said contact piece.
Claim 8
Dependent Claim
26 words
A cassette according to claim 4, wherein a portion of said contact piece which faces said clamp has its longitudinally central portion projecting toward said clamp.
Claim 9
Dependent Claim
45 words
A cassette according to claim 1, further comprising a cassette casing, and a reel retainer mounted on said casing, and wherein a portion of said contact piece contacts said reel retainer on the axis of said hub, thereby electrically connecting said film to said casing.
Claim 10
Dependent Claim
20 words
A cassette according to claim 8, wherein said reel retainer is biased so as to press against said contact piece.
Claim 11
Dependent Claim
16 words
A cassette according to claim 9, wherein said reel retainer is constituted by a leaf spring.
Claim 12
Dependent Claim
43 words
A cassette according to claim 9, wherein said reel retainer has a contact member secured thereto, said contact member projecting to the outside from said cassette casing so as to contact a contact provided on an apparatus into which said cassette is loaded.
Claim 13
Dependent Claim
23 words
A cassette according to claim 11, wherein said contact member is a pin-like member which secures said reel retainer to said cassette casing.
Claim 14
Dependent Claim
42 words
A cassette according to claim 11, wherein the portion of said contact member which projects from said cassette casing is formed such as to have a spherical shape, thereby ensuring the contact between said contact member and said contact on said apparatus.
Claim 15
Dependent Claim
63 words
A cassette according to claim 11, wherein said cassette casing has a guide rail provided thereon near the projecting portion of said contact member, said guide rail extending in a direction in which said cassette is inserted and having a recess positioned to the side of said contact member, whereby said contact on said apparatus enters said recess when contacting said contact member.
Claim 16
Dependent Claim
28 words
A cassette according to claim 13, wherein there are a plurality of said contact members provided for one reel retainer, thereby allowing the grounding to be reliably effected.
Claim 17
Dependent Claim
51 words
A cassette according to claim 14, wherein there are two of said contact members provided for one reel retainer, said contact members being arranged in series in the cassette inserting direction, and there are a pair of said guide rails provided so as to face each other across said contact members.
Claim 18
Dependent Claim
69 words
A cassette according to claim 16, wherein said pair of rails have recesses provided on both sides of the row of contact members such that the recesses which are positioned on one side of said row are offset from those which are positioned on the other side as viewed in the cassette inserting direction, and the imaginary straight lines connecting the diagonally facing recesses pass said contact members, respectively.
Claim 19
Dependent Claim
100 words
A cassette for recording an image on a film which has an electrically conductive layer, which is wound on a reel disposed within a cassette casing, said cassette comprising: (a) a contact piece for grounding which is mounted on said reel so as to electrically connect with said film; (b) a reel body; (c) a fixed member secured to said cassette casing so as to slide-contact said contact piece which rotates together with said reel body; and (d) a contact member electrically connected to said fixed member and having a poriton thereof disposed on the outside of said cassette casing.
Claim 20
Dependent Claim
100 words
A cassette for recording an image on a film which has an electrically conductive layer, which is wound on a reel disposed within a cassette casing, said cassette comprising: (a) a contact piece for grounding which is mounted on said reel so as to electrically connect with said film; (b) a reel body; (c) a fixed member secured to said cassette casing so as to slide-contact said contact piece which rotates together with said reel body; and (d) a contact member electrically connected to said fixed member and having a poriton thereof disposed on the outside of said cassette casing.
Claim 21
Dependent Claim
22 words
A cassette according to claim 18, wherein said fixed member is a reel retainer which presses said reel through said contact piece.
Claim 22
Dependent Claim
55 words
A cassette according to claim 18, wherein said reel body is provided with a hub having a recess formed in the outer peripheral portion thereof, a portion of said contact piece being disposed within said recess, and wherein a clamp is fitted into said recess so as to press said film against said contact piece.
Claim 23
Dependent Claim
35 words
A cassette according to claim 20, wherein said contact piece is formed from a leaf spring material so as to clamp said film between the same and said clamp by means of a resilient force.
Claim 24
Dependent Claim
36 words
A cassette according to claim 20, wherein said contact piece is provided with a notch such that a projection provided on said clamp enters said notch to clamp said film between said notch and said projection.
Claim 25
Dependent Claim
22 words
A cassette according to claim 22, wherein said contact piece has one end thereof supported by said hub in a cantilever fashion.
Claim 26
Dependent Claim
110 words
A cassette according to claim 22, wherein said clamp includes: a pair of leg plate portions each having a step portion formed on the outer side thereof, said steps respectively engaging with step portions formed on said hub, thereby preventing said clamp from coming out of said recess; and a bent plate portion connecting said pair of leg plate portions, said bent plate portion having a bent portion which defines said projection, and said bent plate portion causing said pair of leg plate portions to separate from each other, whereby said step portions of said leg plate portions are rigidly engaged with the corresponding step portions provided on said hub.
Claim 27
Dependent Claim
27 words
A cassette according to claim 23, wherein said notch extends longitudinally of said contact piece and communicates with the outside at one end of said contact piece.
Claim 28
Dependent Claim
26 words
A cassette according to claim 23, wherein a portion of said contact piece which faces said clamp has its longitudinally central portion projecting toward said clamp.
Claim 29
Dependent Claim
40 words
A cassette according to claim 20, wherein a portion of said contact piece contacts a reel retainer on the axis of said hub, said reel retainer being mounted on said cassette casing, thereby electrically connecting said film to said casing.
Claim 30
Dependent Claim
20 words
A cassette according to claim 27, wherein said reel retainer is biased so as to press against said contact piece.
Claim 31
Dependent Claim
16 words
A cassette according to claim 28, wherein said reel retainer is constituted by a leaf spring.
Claim 32
Dependent Claim
43 words
A cassette according to claim 28, wherein said reel retainer has a contact member secured thereto, said contact member projecting to the outside from said cassette casing so as to contact a contact provided on an apparatus into which said cassette is loaded.
Claim 33
Dependent Claim
23 words
A cassette according to claim 30, wherein said contact member is a pin-like member which secures said reel retainer to said cassette casing.
Claim 34
Dependent Claim
42 words
A cassette according to claim 30, wherein the portion of said contact member which projects from said cassette casing is formed such as to have a spherical shape, thereby ensuring the contact between said contact member and said contact on said apparatus.
Claim 35
Dependent Claim
63 words
A cassette according to claim 30, wherein said cassette casing has a guide rail provided thereon near the projecting portion of said contact member, said guide rail extending in a direction in which said cassette is inserted and having a recess positioned to the side of said contact member, whereby said contact on said apparatus enters said recess when contacting said contact member.
Claim 36
Dependent Claim
28 words
A cassette according to claim 32, wherein there are a plurality of said contact members provided for one reel retainer, thereby allowing the grounding to be reliably effected.
Claim 37
Dependent Claim
51 words
A cassette according to claim 33, wherein there are two of said contact members provided for one reel retainer, said contact members being arranged in series in the cassette inserting direction, and there are a pair of said guide rails provided so as to face each other across said contact members.
Claim 38
Dependent Claim
69 words
A cassette according to claim 35, wherein said pair of rails have recesses provided on both sides of the row of contact members such that the recesses which are positioned on one side of said row are offset from those which are positioned on the other side as viewed in the cassette inserting direction, and the imaginary straight lines connecting the diagonally facing recesses pass said contact members, respectively.
Claim 39
Dependent Claim
26 words
A cassette according to claim 18, wherein said contact member is provided on a cassette holder and is inserted from the outside of said cassette casing.
Claim 40
Dependent Claim
19 words
A cassette according to claim 18, wherein said contact piece is mounted on a flange portion of said reel.
Claim 41
Dependent Claim
145 words
A cassette for recording an image on a film which has an electrically conductive layer which is wound on a reel disposed within a cassette casing, said cassette comprising: (a) a reel body; (b) a contact piece for grounding which is mounted on said reel body so as to electrically connect with said film; (c) a contact member secured to said cassette casing so as to electrically connect with said contact piece and having a portion thereof exposed to the outside of said cassette casing; and (d) a guide rail provided near the exposed portion of said contact member, said guide rail extending in a direction in which said cassette is inserted and having a recess positioned to the side of said contact member, whereby a contact provided on an apparatus into which said cassette is loaded enters said recess when contacting said contact member.
Claim 42
Dependent Claim
145 words
A cassette for recording an image on a film which has an electrically conductive layer which is wound on a reel disposed within a cassette casing, said cassette comprising: (a) a reel body; (b) a contact piece for grounding which is mounted on said reel body so as to electrically connect with said film; (c) a contact member secured to said cassette casing so as to electrically connect with said contact piece and having a portion thereof exposed to the outside of said cassette casing; and (d) a guide rail provided near the exposed portion of said contact member, said guide rail extending in a direction in which said cassette is inserted and having a recess positioned to the side of said contact member, whereby a contact provided on an apparatus into which said cassette is loaded enters said recess when contacting said contact member.
Claim 43
Dependent Claim
37 words
A cassette according to claim 39, wherein said contact member is connected to a reel retainer which is secured to said cassette casing so as to slide-contact said contact piece which rotates together with said reel body.
Claim 44
Dependent Claim
51 words
A cassette according to claim 40, wherein there are two of said contact members provided for one reel retainer, said contact members being arranged in series in the cassette inserting direction, and there are a pair of said guide rails provided so as to face each other across said contact members.
Claim 45
Dependent Claim
69 words
A cassette according to claim 40, wherein said pair of rails have recesses provided on both sides of the row of contact members such that the recesses which are positioned on one side of said row are offset from those which are positioned on the other side as viewed in the cassette inserting direction, and the imaginary straight lines connecting the diagonally facing recesses pass said contact members, respectively.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-08-10 | 1991-02-09 | 1991-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-10 | 1995-02-09 | 1995-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-10 | 1999-02-09 | 1999-08-11 | $7700.00 | Window Closed / Lapsed |