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US 4,244,251 AGranted
Full rotation-type paper web cutting device
AssigneeMinolta Camera Kabushiki Kaisha
InventorsSouichi Iwao, Norihiko Suzuki, Yasuhiko Doi, Shigemitsu Shimizu, Takeshi Morikawa
Life of this patent
Estimating the term…
Abstract
A device for cutting a paper web includes a rotary blade assembly, a stationary or non-rotatable blade in cutting engagement with the rotary blade assembly and being retractable from the rotary blade assembly during the cutting engagement therewith, guide members supporting the non-rotatable blade for sliding movement in the direction of the retraction, and the non-rotatable blade being biased into cutting engagement with the rotary blade assembly.
Claims8
A device for cutting a paper web comprising:
- a rotary blade assembly comprising a frame;
- a non-rotatable blade in cutting engagement with said rotary blade assembly and being retractable from said rotary blade assembly during the cutting engagement therewith;
- guide members supporting said non-rotatable blade for sliding movement in the direction of the retraction;
- and
- means for elastically biasing said non-rotatable blade into cutting engagement with said rotary blade assembly, said biasing means including a lever pivotally mounted on the frame, and a spring having one end connected to one end of the lever with the other end of the spring being mounted on the frame to bias the lever for urging the non-rotatable blade toward the rotary blade assembly.
2 more elements
Dependencies are inferred from the claim text.