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US 5,312,304 AGranted
Convertible sprocket for motion picture film
AssigneeUnited Artists Entertainment
InventorRichard Vetter
Life of this patent
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AssigneeUnited Artists Entertainment
InventorRichard Vetter
Estimating the term…
A convertible sprocket for film and like media accommodates different media formats. The sprocket includes a first sprocket wheel support and a first sprocket wheel having a first dimension and supported by the sprocket wheel support. A second sprocket wheel support is co-axial with the first sprocket wheel support. A second sprocket wheel having a second dimension different from the first dimension is supported by the second sprocket wheel support. The second sprocket wheel is axially movable relative to the first sprocket wheel support so that the first sprocket wheel engages the medium when the second sprocket wheel is in a first position relative to the first sprocket support. The second sprocket wheel engages the medium when the second sprocket wheel is in a second position relative to the first sprocket support. The convertible sprocket has a plurality of axially spaced apart sprocket wheel wherein at least two of the sprocket wheels have different diameters.
A convertible sprocket for film and web media for accommodating different media formats, the sprocket comprising:
A convertible sprocket for film and web media for accommodating different media formats, the sprocket comprising:
A convertible sprocket for film and web media for accommodating different media formats, the sprocket comprising:
Dependencies are inferred from the claim text.