Film selector

Claim 2

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

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

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

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

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

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

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

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

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.