This invention reveals a crank roller paper cutting device, which comprises a base, a supporter, a handle part, a master roller, a slave roller, and a group of speed-reducing gears. Via the group of speed-reducing gears, handle part correlates to the master roller and slave roller at one terminal, b
This invention reveals a crank roller paper cutting device, which comprises a base, a supporter, a handle part, a master roller, a slave roller, and a group of speed-reducing gears. Via the group of speed-reducing gears, handle part correlates to the master roller and slave roller at one terminal, both of the master roller and slave roller are captured by the open bores therewith on the supporter. While the other ends of master roller and slave roller are suspended in the air, where a removable positioning block is attached. Upon the above said positioning block, there are two open bores or blink holes in correspondence to the master roller and slave roller respectively. Around the master roller and slave roller are many removable regulating cylinders or one regulating cylinder in different thickness. This crank roller paper cutting device is reasonable in design, easy to use and safe in operation for a wide range of applications, particularly valuable for kindergarten enlightenment education.
대표청구항▼
The invention claimed is: 1. A crank roller paper cutting device, comprising: a base; a supporter having open bores, said supporter coupled to said base and extending upwardly therefrom; a handle rotatably coupled to said supporter; a master roller having a first end rotatably coupled to said suppo
The invention claimed is: 1. A crank roller paper cutting device, comprising: a base; a supporter having open bores, said supporter coupled to said base and extending upwardly therefrom; a handle rotatably coupled to said supporter; a master roller having a first end rotatably coupled to said supporter and an opposing second free end; a slave roller positioned below the master roller and having a first end rotatably coupled to said supporter and an opposing second free end a removable positioning block having two open bores or holes corresponding to the second free hands of the master roller and the slave roller, the removable positioning block is suspended in the air; a group of speed reducing gears coupled to said handle, said master roller and said slave roller wherein the handle correlates to the master roller and slave roller at the first ends of the master roller and the slave roller, the master roller and the slave roller captured by the open bores of the supporter, while the second free ends of the master roller and the slave roller are suspended in the air to which the removable positioning block is attachable; and a plurality of multiple layer removable regulating cylinders or one removable regulating cylinder in different thickness disposed around at least one of the master roller and the slave roller to change the effective thickness of the respective master roller or the slave roller. 2. The crank roller paper cutting device according to claim 1, wherein the group of speed reducing gears of comprises a first gear fixed in connection with the handle, a two-scale second gear having a big scale gear and a small scale gear in sliding connection with the master roller, a two-scale third gear having a big scale gear and a small scale gear fixed in connection with the master roller, a two-scale fourth gear having a big scale gear and a small scale gear in sliding connection with the slave roller, and a fifth gear fixed in connection with the slave roller, the first gear engaged with the big scale gear of the second gear, the small scale gear of the second gear is engaged with the big scale gear of the gear fourth gear, the small scale gear of the fourth gear engaged with the big scale gear of the third gear, and the small scale gear engaged with the gear fifth gear. 3. The crank roller paper cutting device according to claim 1, wherein the supporter comprises two parallel supporting plates each of the two parallel supporting plates having a pair of bores extending there through with the pair of bores in one of the plates aligned with the pair of bores in the other plate, the master roller and slave roller passing through the bore holes of the two plates and keeping the master roller and slave roller in parallel and level to each other, and perpendicular to the two supporting plates. 4. The crank roller paper cutting device according to claim 3, wherein a portion of each of the master roller and the slave roller that is in the space between the two parallel supporting plates is held by positioning rings. 5. The crank roller paper cutting device according to claim 3, wherein the two parallel supporting plates have rotating bearings mounted inside each of the pair of bores. 6. The crank roller paper cutting device according to claim 1, wherein the handle is comprised of a hand wheel or a hand crank. 7. The crank roller paper cutting device according to claim 1 wherein the positioning block has rotating bearings mounted inside the open bores or holes. 8. The crank roller paper cutting device according to claim 1, wherein the plurality of multiple layer regulation cylinders are made up of a series of same length but different diameter cylinders inserted one within the other. 9. The crank roller paper cutting device according to claim 1, wherein the plurality of multiple layer removable regulating cylinders or the removable regulation cylinder is made of non-rigid materials with a hardness that will avoid damage to a blade of an image cutter while pressing. 10. The crank roller paper cutting device according to claim 1, further comprising a plurality of suction devices attached to the bottom side of the base.
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