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US 5,397,289 AGranted
Gimballed roller for web material
AssigneeEastman Kodak Company
InventorsSteven F. Entz, Randy E. Horning, Yonathan Preiss, Ronald W. Grant
Life of this patent
Estimating the term…
Abstract
A gimballed roller automatically positions itself with regards to a moving web of material to minimize misalignment forces on the web material and additionally incorporates a feature of being quickly adjusted by an operator to accommodate different widths of web material.
Claims5
A gimballed roller for web material comprising:
- a hollow shaft having a longitudinal slot along each of its outermost ends;
- at least one pair of rollers positioned on said hollow shaft for rotation on said hollow shaft;
- means for gimballing said hollow shaft about a central position between said at least one pair of rollers;
- a cam shaft having a pair of counter-rotating spiraled groves along each of its outermost ends and positioned for rotation within the hollow of said hollow shaft;
- and
- edge guide means movably positioned on the outermost ends of said hollow shaft each having a projection extending through a corresponding longitudinal slot in said hollow shaft and into a sliding contact with the spiraled groves in said cam shaft such that rotation of said cam shaft causes said edge guide means to move along said hollow shaft.
3 more elements
A gimballed roller for web material comprising:
- a shaft;
- at least one pair of rollers positioned on said shaft for rotation on said shaft;
- means for gimballing said shaft about a central position between said at least one pair of rollers;
- and
- adjustable guide means movably positioned on said shaft for guiding web material over said at least one pair of rollers, said adjustable guide means includes pivoting edge guides.
2 more elements
Dependencies are inferred from the claim text.