Patent US3610501A successfully refreshed from Google Patents.
US3610501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film-transporting apparatus
Assignee: Individual
•
Filing: 1970-03-18
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Granted: 1971-10-05
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Expires: 1990-03-18
Abstract
Abstract Apparatus is provided for transporting a strip of film through the contiguous engagement of the protruding portions of the inner links of a roller chain and a V-belt adapted to engage the strip of film so as to locally clamp the film between the tapered sides of the V-belt and the protruding inner portions of the inner side links of the roller chain. The roller chain is preferably arranged to ride upon and be supported by a guideway and the Vbelt is disposed to be engaged by a plurality of rollers so that the spacing of the V-belt from the roller chain is a determined and substantially consistent distance.
Inventors
- 👤 Robert O Wolfelsperger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:21
CPC Classifications
B; B65; B65B; B65B41/00; B65B41/12; B65B41/14
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
176 words
Apparatus for gripping, positioning and transporting a strip of film and the like as it is fed between advancing film gripping members, said apparatus including: (a) an endless length of chain such as roller chain, pintle chain and the like, said chain having side links with protruding portions thereon spaced at determined intervals; (b) a flexible endless belt of generally regular cross section and having a contoured surface portion adapted to be brought into film gripping engagement with the inwardly facing edges of the protruding portions of the side links of the endless chain, and (c) means for supporting and positioning the chain and the flexible belt in an aligned and determined relationship to each other for and during the extent of transporting of the film in the apparatus, said aligned and determined relationship providing for the releasable gripping of the film between the contoured surface of the endless belt and the several protruding edges of the side links of the chain as they are brought into said aligned facing and gripping relationship to each other.
Claim 2
Dependent Claim
176 words
Apparatus for gripping, positioning and transporting a strip of film and the like as it is fed between advancing film gripping members, said apparatus including: (a) an endless length of chain such as roller chain, pintle chain and the like, said chain having side links with protruding portions thereon spaced at determined intervals; (b) a flexible endless belt of generally regular cross section and having a contoured surface portion adapted to be brought into film gripping engagement with the inwardly facing edges of the protruding portions of the side links of the endless chain, and (c) means for supporting and positioning the chain and the flexible belt in an aligned and determined relationship to each other for and during the extent of transporting of the film in the apparatus, said aligned and determined relationship providing for the releasable gripping of the film between the contoured surface of the endless belt and the several protruding edges of the side links of the chain as they are brought into said aligned facing and gripping relationship to each other.
Claim 3
Dependent Claim
51 words
Apparatus for gripping and transporting film as in claim 1 in which the endless chain is a roller chain having rotatable rollers and In which the support for said chain is a backup bar which is sized and positioned so as to engage and guide the chain in a determined path.
Claim 4
Dependent Claim
38 words
Apparatus for gripping and transporting film as in claim 2 in which the backup bar is a metal bar sized so as to enter between the inner side links and engage and support the rollers of the chain.
Claim 5
Dependent Claim
67 words
Apparatus for gripping and transporting film as in claim 1 in which the endless chain is a pin-type chain having no freely rotatable rollers and in which the belt is contoured so as to engage and grip the film between protruding side link portions of the chain and the contoured belt so as to grip the film at spaced intervals in at least a single longitudinal line.
Claim 6
Dependent Claim
35 words
Apparatus for gripping and transporting film as in claim 1 in which the endless belt is a V-belt, said V-belt being supported by a plurality of like-sized freely turning rollers carried in a determined path.
Claim 7
Dependent Claim
48 words
Apparatus for gripping and transporting film as in claim 5 in which the rollers supporting the V-belt are rollers carried by pins of an extended pitch roller chain, said rollers being freely rotating rollers and supporting the V-belt in a determined path and spacing from the endless chain.
Claim 8
Dependent Claim
48 words
Apparatus for gripping and transporting film as in claim 1 in which the endless belt is a round belt of determined cross section, said round belt being supported by a plurality of spaced and suitably contoured freely turning rollers carried by a support means in a determined path.
Claim 9
Dependent Claim
140 words
Apparatus for gripping and transporting film as in claim 1 in which the endless chain is a roller chain having rotatable rollers, said chain being supported by a backup bar of metal which is sized so as to enter between the inner side links of the chain to engage and support the rollers of the chain to thus guide the chain in a determined path; and in which the endless belt is supported by a plurality of like-sized freely turning rollers disposed in a determined path to maintain the belt a determined distance from the roller chain, the endless belt having its contoured surface shaped so as to grip the film between the belt and the protruding side portions of the chain and at these spaced intervals absent engagement of the film with the rotatable rollers of the roller chain.
Claim 10
Dependent Claim
55 words
Apparatus for gripping and transporting film as in claim 8 in which the endless belt is a V-belt whose tapered sides adjacent the narrow end of the belt are sized so as to push the film into engagement with only the inner edges of the protruding portions of the side links of the roller chain.
Claim 11
Dependent Claim
146 words
Apparatus for gripping and transporting film as in claim 1 in which the endless chain in a pintle-type chain having its side members connected by a pin and absent rotatable rollers, said chain being supported by a backup bar of metal which is sized so as to engage and support the links of the chain to guide the chain in a determined path and in which the endless belt is supported by a plurality of like-sized freely turning rollers carried by side plates on a support so that the rollers are disposed in a determined path to maintain the belt a determined distance from the pintle-type chain, the endless belt having its contoured surface so as to grip the film between the contoured surface of the belt and the protruding side portions of the chain, said belt and chain being driven at a like surface speed.
Claim 12
Dependent Claim
54 words
Apparatus for gripping and transporting film as in claim 10 in which the endless belt is a V-belt whose tapered sides adjacent the narrow end of the belt are sized so as to push the film into engagement with only the inner edges of the protruding portions of the side links of the chain.
Claim 13
Dependent Claim
54 words
Apparatus for gripping and transporting film as in claim 1 in which there are at least two like endless chain and endless belt assemblies, said assemblies positioned so that during their extent of film transport the transport paths are in substantially parallel arrangement and in which the assemblies are drivEn at like linear speeds.
Claim 14
Dependent Claim
81 words
Apparatus for gripping and transporting film as in claim 1 in which the endless chain and endless belt are cooperatively disposed so that the transport of the film is at least in part in a curved path with one of the gripping members carried on a convexly curved support member and the other gripping member is urged into a tight concave engagement with the convexly disposed gripping member during the extent of transport of the film through the curved transporting path.
Claim 15
Dependent Claim
35 words
Apparatus for gripping and transporting film as in claim 13 in which the convexly curved gripping member is the endless chain member and in which the concavely curved other gripping member is the endless belt.
Claim 16
Dependent Claim
37 words
Apparatus for gripping transporting film as in claim 14 in which the endless-belt-gripping member is disposed during a portion of its transcribed path to be moved into a plane not in the plane of the endless chain.
Claim 17
Dependent Claim
51 words
Apparatus for gripping and transporting film as in claim 13 in which the convexly curved gripping member is the endless belt member and in which the concavely curved gripping member is the roller chain which is carried in substantially the same plane as the curved film-transporting path of the endless belt.
Claim 18
Dependent Claim
56 words
Apparatus for gripping and transporting film as in claim 1 in which the roller chain is carried on a circular support and in a common plane and in which the endless belt is made taut and is disposed so as to be urged into a gripping engagement with the chain for a determined extent of arc.
Claim 19
Dependent Claim
62 words
Apparatus for gripping and transporting film as in claim 1 in which the endless belt is carried on a circular support and is disposed in a common plane and in which the roller chain is made taut for its period of engagement with the belt so as to be urged into gripping engagement with the belt for a determined extent of arc.
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) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |