US4312470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for processing photographic materials
Assignee: BARCLAYS BUSINESS CREDIT Inc
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Filing: 1980-06-10
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Granted: 1982-01-26
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Expires: 2000-06-10
Abstract
Abstract Apparatus for processing photographic materials is disclosed and more specifically equipment for turnaround during processing of an elongated web of photographic material at the midportion of a processing operation, the web being guided in part by inner and outer rollers but having vibrating guides interposed between pairs of rollers, the guides being oscillated by the drive for the rollers. Various types of oscillating mechanism for the guides is shown.
Inventors
- 👤 Henry F. Hope
- 👤 Stephen F. Hope
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:41
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/08; G03D3/13; G03D3/132; B; B65; B65H; B65H23/00; B65H23/04; B65H23/26
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
59 words
In apparatus for processing photographic materials by conveying an elongated web for turnaround in a confined space comprising spaced frame members, means carried by said spaced frame members for directing the web in an arcuate path, said means comprising web guide plates for engagement by the web mounted for oscillatory movement, and members for oscillating said web guide plates.
Claim 2
Dependent Claim
59 words
In apparatus for processing photographic materials by conveying an elongated web for turnaround in a confined space comprising spaced frame members, means carried by said spaced frame members for directing the web in an arcuate path, said means comprising web guide plates for engagement by the web mounted for oscillatory movement, and members for oscillating said web guide plates.
Claim 3
Dependent Claim
18 words
Apparatus as defined in claim 1 in which said web guide plates have therealong pivotally mounted support members.
Claim 4
Dependent Claim
18 words
Apparatus as defined in claim 2 in which said members for oscillating said web guide plates comprise cams.
Claim 5
Dependent Claim
18 words
Apparatus as defined in claim 2 in which said members for oscillating said web guide plates comprise cranks.
Claim 6
Dependent Claim
96 words
In apparatus for processing photographic material by conveying an elongated web for turnaround in a confined space comprising spaced frame members, a plurality of web engaging rollers rotatably supported by said frame members, said rollers comprising a central roller and feed rollers parallel thereto and spaced around a portion of the periphery of said central roller for web engagement, web guide members interposed between said feed rollers, and means for oscillating said web guide members for advancing a web therealong and successively from engagement by one of said feed rollers to another of said feed rollers.
Claim 7
Dependent Claim
96 words
In apparatus for processing photographic material by conveying an elongated web for turnaround in a confined space comprising spaced frame members, a plurality of web engaging rollers rotatably supported by said frame members, said rollers comprising a central roller and feed rollers parallel thereto and spaced around a portion of the periphery of said central roller for web engagement, web guide members interposed between said feed rollers, and means for oscillating said web guide members for advancing a web therealong and successively from engagement by one of said feed rollers to another of said feed rollers.
Claim 8
Dependent Claim
16 words
Apparatus as defined in claim 5 in which driving means is provided for said feed rollers.
Claim 9
Dependent Claim
16 words
Apparatus as defined in claim 5 in which driving means is provided for said central roller.
Claim 10
Dependent Claim
22 words
Apparatus as defined in claim 5 in which driving means is provided for simultaneously driving said feed rollers and said central roller.
Claim 11
Dependent Claim
34 words
Apparatus as defined in claim 5 in which at least one of said web guide members is pivotally mounted at one edge, and said means for oscillating said web guide member comprises a cam.
Claim 12
Dependent Claim
21 words
Apparatus as defined in claim 9 in which said means for oscillating said web guide member is a multiple lobed cam.
Claim 13
Dependent Claim
19 words
Apparatus as defined in claim 9 in which said means for oscillating said web guide member is a crank.
Claim 14
Dependent Claim
22 words
Apparatus as defined in claim 9 in which resilient means is provided for retaining said guide members in engagement with said cam.
Claim 15
Dependent Claim
17 words
Apparatus as defined in claim 5 in which one of said web guide members is substantially flat.
Claim 16
Dependent Claim
16 words
Apparatus as defined in claim 5 in which one of said web guide members is curved.
Claim 17
Dependent Claim
26 words
Apparatus as defined in claim 5 in which one of said web guide members is substantially horizontally disposed contiguous to a downfeed location of the web.
Claim 18
Dependent Claim
26 words
Apparatus as defined in claim 5 in which one of said web guide members is substantially vertically disposed contiguous to an upfeed location of said web.
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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) | 1985-01-25 | 1985-07-27 | 1986-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-01-25 | 1989-07-27 | 1990-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-01-25 | 1993-07-27 | 1994-01-26 | $7700.00 | Window Closed / Lapsed |