Tape advancing and cutting mechanism
OwnerWilliam S. Fullertoninventor
Life of this patent
Estimating the term…
Abstract
A dispensing and cutting mechanism for film or the like comprising a frame structure, means for holding a supply of film, an advancing roller structure for moving film from the film supply, means to drive the advancing roller structure, and a cutting structure mounted forward the advancing roller structure to sever a length of film. The advancing roller structure further has an idler roller and a drive roller which are mounted for rotation and in an aligned configuration to the frame structure. The cutting structure is comprised of a fixed bottom cutting structure mounted to the frame structure forward and generally in line with the idler roller. A pivotable upper cutting structure is further mounted to the drive shaft and is constructed and arranged to cooperate with the fixed bottom cutting structure.
Claims16
A dispensing and cutting mechanism for film-like substrates comprising:
- (a) a frame structure,
- (b) means for holding a supply of film for rotation with respect to said frame structure,
- (c) an advancing roller structure for moving film from said film supply, said advancing roller structure being further comprised of an idler roller and a drive roller, said idler and drive rollers further having a drive shaft and an idler shaft respectively, said drive and idler shafts further being aligned and mounted for rotation in said frame structure,
- (d) means to drive said advancing roller structure, and
- (e) a cutting structure mounted forward said advancing roller structure to sever a length of film substrate, said cutting structure having a rotatable upper cutting structure and a cooperating bottom cutting structure, said cooperating bottom cutting structure having a fixed bottom cutting edge mounted to said frame structure forward and generally in line with said idler roller and wherein said rotatable upper cutting structure is mounted to said drive shaft, and wherein said upper cutting structure moves through a radial path and has an upper cutting edge having a curved configuration defined by said radial path, whereby said drive roller and said upper cutting structure have said drive shaft as a common center.
A hand operable, tape dispensing device comprising:
- (a) a frame structure,
- (b) means for holding a roll of tape, said holding means being mounted to said frame structure and being constructed and arranged to permit rotation of the tape roll,
- (c) an idler roller mounted for rotation to said frame structure,
- (d) a drive roller mounted for rotation to said frame structure and being in touching engagement with said idler roller, said drive roller further having a drive shaft extending through said frame structure,
- (e) a drive wheel mounted on said drive shaft end on the opposite side of said frame structure,
- (f) a fixed bottom cutting structure mounted to said frame structure and generally in line with said idler roller, and
- (g) a pivotable upper cutting structure mounted to said drive shaft and having a curved cutting edge of a predetermined configuration, said upper cutting structure being constructed and arranged to cooperate with said fixed bottom cutting structure to sever a length of tape advanced between said idler and drive rollers.
A dispensing and cutting mechanism for a film substrate source comprising:
- a. a frame structure,
- b. means to advance film substrate from the film substrate source, said advancing means being mounted to said frame structure, said advancing means having a shaft, and
- c. a cutting structure mounted to said frame structure and being positioned downstream said advancing means, said cutting structure further comprising a rotatable upper cutting structure and a fixed lower cutting structure in alignment with said upper cutting structure, said upper cutting structure further having a curved cutting blade having a predetermined radius defined by the radial movement of said rotatable upper cutting structure, said upper cutting structure being mounted for rotation on said advancing means shaft, whereby the radial movement of said upper cutting structure towards said aligned lower cutting structure causes scissor-like cutting of a length of the film substrate.
Dependencies are inferred from the claim text.