US3589633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film selector
Assignee: WRAPPING MACHINERY CO Inc
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Filing: 1969-01-21
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Granted: 1971-06-29
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Expires: 1989-01-21
Abstract
Abstract This disclosure relates to wrapping apparatus having a plurality of rolls of wrapping film, a film-handling station to which the free ends of the film are brought in the course of using the apparatus, and a film selector between the rolls and the station. The film selector comprises a shelf for each film web, a film restrainer for each shelf to capture the film web trained thereover, and pivotal mountings on which at least some of the said shelves are individually and independently swingable into and out of a position for handling the film at said station.
Inventors
- 👤 John T Young
- 👤 Gilbert M Hagemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:25
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/43; B; B65; B65B; B65B41/00; B65B41/12; G03B21/54; G03B21/64
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
113 words
In wrapping apparatus having a plurality of webs of wrapping film, film rolls from which the webs are unwound, a film-handling station to which the free ends of the film webs are brought in the course of using the apparatus, and a film selector between said rolls and said station, the improvement in which said film selector comprises: a shelf for each film web and over which the film web is trained, a film restrainer for each shelf to capture the film web trained thereover, and shelf-mounting means including pivotal mountings on which at least some of said shelves are individually swingable into positions for manual pickup of the film at said positions.
Claim 2
Dependent Claim
113 words
In wrapping apparatus having a plurality of webs of wrapping film, film rolls from which the webs are unwound, a film-handling station to which the free ends of the film webs are brought in the course of using the apparatus, and a film selector between said rolls and said station, the improvement in which said film selector comprises: a shelf for each film web and over which the film web is trained, a film restrainer for each shelf to capture the film web trained thereover, and shelf-mounting means including pivotal mountings on which at least some of said shelves are individually swingable into positions for manual pickup of the film at said positions.
Claim 3
Dependent Claim
153 words
In wrapping apparatus having a plurality of webs of wrapping film, film rolls from which the webs are unwound, a film-handling station to which the free ends of the film webs are brought in the course of using the apparatus, and a film selector between said rolls and said station, the improvement in which said film selector comprises a shelf for each film web and over which the film web is trained, a film restrainer for each shelf to capture the film web trained thereover, and shelf-mounting means including pivoTal mountings on which at least some of said shelves are individually swingable into positions for manual pickup of the film at said positions, said shelf-mounting means mounting said shelves in rearwardly staggered relation with respect to said station, said shelves having different lengths whereby the ends of the shelves are in approximately corresponding terminal positions when in use, notwithstanding the staggered mounting thereof.
Claim 4
Dependent Claim
153 words
In wrapping apparatus having a plurality of webs of wrapping film, film rolls from which the webs are unwound, a film-handling station to which the free ends of the film webs are brought in the course of using the apparatus, and a film selector between said rolls and said station, the improvement in which said film selector comprises a shelf for each film web and over which the film web is trained, a film restrainer for each shelf to capture the film web trained thereover, and shelf-mounting means including pivoTal mountings on which at least some of said shelves are individually swingable into positions for manual pickup of the film at said positions, said shelf-mounting means mounting said shelves in rearwardly staggered relation with respect to said station, said shelves having different lengths whereby the ends of the shelves are in approximately corresponding terminal positions when in use, notwithstanding the staggered mounting thereof.
Claim 5
Dependent Claim
154 words
In wrapping apparatus having a plurality of webs of wrapping film, film rolls from which the webs are unwound, a film-handling station to which the free ends of the film webs are brought in the course of using the apparatus, and a film selector between said rolls and said station, the improvement in which said film selector comprises a shelf for each film web and over which the film web is trained, a film restrainer for each shelf to capture the film web trained thereover, and shelf-mounting means including pivotal mountings on which at least some of said shelves are individually swingable into positions for manual pickup of the film at said positions, said pivotal mountings providing separate axes on which the swingable shelves pivot, the forward edges of said shelves extending considerably beyond the axis of its pivotal mounting and the heel of the shelf being proximate the axis of its pivotal mounting.
Claim 6
Dependent Claim
154 words
In wrapping apparatus having a plurality of webs of wrapping film, film rolls from which the webs are unwound, a film-handling station to which the free ends of the film webs are brought in the course of using the apparatus, and a film selector between said rolls and said station, the improvement in which said film selector comprises a shelf for each film web and over which the film web is trained, a film restrainer for each shelf to capture the film web trained thereover, and shelf-mounting means including pivotal mountings on which at least some of said shelves are individually swingable into positions for manual pickup of the film at said positions, said pivotal mountings providing separate axes on which the swingable shelves pivot, the forward edges of said shelves extending considerably beyond the axis of its pivotal mounting and the heel of the shelf being proximate the axis of its pivotal mounting.
Claim 7
Dependent Claim
119 words
In wrapping apparatus having a plurality of webs of wrapping film film rolls from which the webs are unwound, a film-handling station to which the free ends of the film webs are brought in the course of using the apparatus, and a film selector between said rolls and said station, the improvement in which said film selector comprises a shelf for each film web and over which the film web is trained, a film restrainer for each shelf to capture the film web trained thereover, and shelf-mounting means including pivotal mountings on which at least some of said shelves are individually swingable into positions for manual pickup of the film at said positions, the lowermost said shelf being fixed.
Claim 8
Dependent Claim
119 words
In wrapping apparatus having a plurality of webs of wrapping film film rolls from which the webs are unwound, a film-handling station to which the free ends of the film webs are brought in the course of using the apparatus, and a film selector between said rolls and said station, the improvement in which said film selector comprises a shelf for each film web and over which the film web is trained, a film restrainer for each shelf to capture the film web trained thereover, and shelf-mounting means including pivotal mountings on which at least some of said shelves are individually swingable into positions for manual pickup of the film at said positions, the lowermost said shelf being fixed.
Claim 9
Dependent Claim
171 words
In wrapping apparatus having a plurality of webs of wrapping film, film rolls from which the webs are unwound, a film-handling station to which the free ends of the film webs are brought in the course of using the apparatus, and a film selector between said rolls and said station, the improvement in which said film selector comprises a shelf for each film web and over which the film web is trained, a film restrainer for each shelf to capture the film web trained thereover, and shelf-mounting means including pivotal mountings on which at least some of said shelves are individually swingable into positions for manual pickup of the film at said positions, each said pivotal mounting comprising a rockshaft, and means for articulating each said shaft including a spring which biases its said shaft axially, a lever on the shaft and a bracket against which the lever is biased by said spring, said bracket having a cam rise over which the lever moves in the course of turning the rockshaft.
Claim 10
Dependent Claim
171 words
In wrapping apparatus having a plurality of webs of wrapping film, film rolls from which the webs are unwound, a film-handling station to which the free ends of the film webs are brought in the course of using the apparatus, and a film selector between said rolls and said station, the improvement in which said film selector comprises a shelf for each film web and over which the film web is trained, a film restrainer for each shelf to capture the film web trained thereover, and shelf-mounting means including pivotal mountings on which at least some of said shelves are individually swingable into positions for manual pickup of the film at said positions, each said pivotal mounting comprising a rockshaft, and means for articulating each said shaft including a spring which biases its said shaft axially, a lever on the shaft and a bracket against which the lever is biased by said spring, said bracket having a cam rise over which the lever moves in the course of turning the rockshaft.
References Cited (Backward Citations)
US3367589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |