Spool to film attachment
AssigneeEastman Kodak Company
InventorsJohn J. Niedospial, Jr., Russell J. Butler, Christopher P. McCormick
Life of this patent
Estimating the term…
Abstract
A spool to film attachment comprises a filmstrip having an engagement hole formed in a rear end of the filmstrip proximate a rearmost film edge and a spool having an engagement projection adapted to be received in the film hole. The projection has a pointed side oriented to face the rearmost film edge from within the film hole, when the projection is received in the film hole, to be able to tear at a predetermined point through a relatively narrow section of the filmstrip between the film hole and the rearmost film edge in response to pulling the rear end of the filmstrip away from the projection.
Claims6
A spool for a filmstrip comprising an engagement projection adapted to be received in an engagement film hole formed in a rear end of the filmstrip to attach the rear end to said spool, is characterized in that:
- said projection has a pointed side oriented to face a rearmost edge of the filmstrip from within the film hole, when the projection is received in the film hole, to be able to tear at a predetermined point through a relatively narrow film section between the film hole and the rearmost film edge in response to pulling the rear end of the filmstrip away from the projection.
A spool and a filmstrip comprising an engagement film hole formed in a rear end of said filmstrip proximate a rearmost film edge of the filmstrip, and an engagement projection of said spool adapted to be received in said film hole, is characterized in that:
- said projection has a pointed side oriented to face said rearmost film edge from within said film hole, when the projection is received in the film hole, to be able to tear at a predetermined point through a relatively narrow section of said filmstrip between the film hole and the rearmost film edge in response to pulling said rear end of the filmstrip away from the projection.
A filmstrip comprising an engagement film hole formed in a rear end of said filmstrip proximate a rearmost film edge for receiving an engagement projection of a spool to attach said rear end to the spool, is characterized in that:
- a relatively narrow section of said filmstrip between said film hole and said rearmost film edge has an inside edge at the film hole with a pointed contour pointing towards the rearmost film edge to mate with a pointed side of the engagement projection when the projection is received in the film hole.
Dependencies are inferred from the claim text.