Motion picture film cartridge

Claim 2

A film cartridge for use in a motion picture projector, comprising: a housing for receiving a continuous loop roll of film in the form of a roll and a loop of film extending therefrom, said housing having a first chamber for receiving said roll and a second chamber for receiving said loop for allowing projection of said film; and said housing having a first portion for supporting said roll, and having film guide channel means for directing said loop of film to said second chamber for projection of the film said channel means comprising walls depending from a surface of said housing, said walls having a plurality of inclined protuberances for supporting said film loop as it is fed to said second chamber substantially solely by an edge of the film.

Claim 3

A cartridge as in claim 1 wherein: said housing comprises first and second sections defining said chambers, the first section serving to support said film roll, and said second section having formed therein said channel means.

Claim 4

A cartridge as in claim 2 wherein said second section comprises: a cover having a first side forming an outer cover for said cartridge and having a second side with said channel means formed in said second side, said channel means being generally in the form of a spiral beginning near the central portion of the second side of said cover and extending into said second chamber of said housing for feeding an inner convolution of film from said roll to said second chamber.

Claim 5

A cartridge as in claim 2 wherein: said second section comprises the top of said cartridge and said channel means is formed in the underside thereof extending substantially spirally from a central portion of said first chamber to said second chamber for fed feeding an inner convolution if of film from said roll to said second chamber.

Claim 6

A cartridge as in claim 4 including: support clip means coupled with said channel mean for aiding in supporting an edge of said film extending from an inner convolution of said roll as the same progresses through said channel means.

Claim 7

A film cartridge for use in a motion picture projector having a cartridge receiving portion, comprising: A housing for receiving a roll of film for projection of the film by a motion picture projector, said housing having a first chamber for receiving said roll of film and a second chamber for receiving a portion of said film extending from said roll for allowing projection of said film; and said housing comprising first and second sections defining said chambers, the first section serving to support said roll of film, and said second section having formed therein guide channel means for directing a portion of said film to said second chamber for projection of the film, said channel means comprising a plurality of inclined protuberances extending from a surface of said second section for supporting said portion of said film as it is fed to said second chamber substantially solely by an edge of the film.

Claim 8

A film cartridge for use in a motion picture projector having a cartridge receiving portion, comprising: A housing for receiving a roll of film for projection of the film by a motion picture projector, said housing having a first chamber for receiving said roll of film and a second chamber for receiving a portion of said film extending from said roll for allowing projection of said film; and said housing comprising first and second sections defining said chambers, the first section serving to support said roll of film, and said second section having formed therein guide channel means for directing a portion of said film to said second chamber for projection of the film, said channel means comprising a plurality of inclined protuberances extending from a surface of said second section for supporting said portion of said film as it is fed to said second chamber substantially solely by an edge of the film.

Claim 9

A cartridge as in claim 6 wherein: said channel means includes walls depending from a surface of said second section and said inclined protuberances are formed along the inside of said walls, and said channel means includes base protuberances between said walls at said surface of said second section.

Claim 10

A cartridge as in claim 7 wherein: said channel means extends in a spiral fashion from the central portion of said second section for directing an inner convolution of film from said roll to said second chamber.

Claim 11

A cartridge as in claim 8 including: a turntable disposed between said first and second sections of said housing, said turntable serving to support said roll of film between said turntable and said second section.

Claim 12

A film cartridge for use in a motion picture projector comprising: a housing for receiving a continuous loop roll of film in the form of a roll and a loop of film extending therefrom, said housing having first and second sections defining a first chamber for receiving said roll and a second chamber for receiving said loop for allowing projection of said film; a turntable disposed within said housing between said first and second sections for supporting said roll between said turntable and said second section; and said second section having a first side forming an outer cover for said cartridge and having a second side including guide channel means on said second side, said channel means being generally in the form of a spiral beginning near the central portion of said second side and extending into said second chamber of said housing for feeding an inner convolution of film from said roll to said second chamber, said channel means comprising walls depending from said second side of said second section, each of said walls having a plurality of inclined protuberances for supporting supporting said film loop as it is fed to said second chamber substantially solely by an edge of the film.

Claim 13

A film cartridge for use in a motion picture projector comprising: a housing for receiving a continuous loop roll of film in the form of a roll and a loop of film extending therefrom, said housing having first and second sections defining a first chamber for receiving said roll and a second chamber for receiving said loop for allowing projection of said film; a turntable disposed within said housing between said first and second sections for supporting said roll between said turntable and said second section; and said second section having a first side forming an outer cover for said cartridge and having a second side including guide channel means on said second side, said channel means being generally in the form of a spiral beginning near the central portion of said second side and extending into said second chamber of said housing for feeding an inner convolution of film from said roll to said second chamber, said channel means comprising walls depending from said second side of said second section, each of said walls having a plurality of inclined protuberances for supporting supporting said film loop as it is fed to said second chamber substantially solely by an edge of the film.

Claim 14

A cartridge for a web of material in the form of a continuous loop roll comprising: a housing having first and second sections defining a first chamber for receiving said roll and a second chamber for receiving a loop extending from said roll; said first section of said housing serving to support said roll; and said second section of said housing having formed thereon guide channel means for directing said loop of said web to said second chamber, said channel means comprising wall members depending from a surface of said second section, said wall members each having a plurality of inclined protuberances for supporting said loop as it is fed to said second chamber substantially solely by an edge of the web of material.

Claim 15

A cartridge for a web of material in the form of a continuous loop roll comprising: a housing having first and second sections defining a first chamber for receiving said roll and a second chamber for receiving a loop extending from said roll; said first section of said housing serving to support said roll; and said second section of said housing having formed thereon guide channel means for directing said loop of said web to said second chamber, said channel means comprising wall members depending from a surface of said second section, said wall members each having a plurality of inclined protuberances for supporting said loop as it is fed to said second chamber substantially solely by an edge of the web of material.

Claim 16

A cartridge as in claim 11 wherein: said guide channel means is a spiral channel extending from said first chamber to said second chamber and maintains said web of material in a smooth curved vertical fashion without buckling thereof.