Motor driven stapler

Details Motor driven stapler Motor driven stapler

1996-05-17

1998-08-11

Rada, Rinaldi I.

Elongated-member-driving apparatus

With means to move or guide member into driving position

Including supply magazine for constantly urged members

227120, 227135, B25C 516, B27F 738

Patent

active

057915482

ABSTRACT:
A feed roller 32 is disposed in a magazine section 1 such that the feed roller 32 is in press contact with the lower side of a sheet-like staple fed out of a cartridge 13. A rack is formed in the support means of the magazine section 1. The feed roller 32 is operatively coupled with the magazine section 1 through a one-way clutch gear 34 in mesh with the rack 33. Only when the magazine section 1 separates from the clincher section 4, the one-way clutch gear 34 operates to rotate the feed roller 32 in the staple supply direction. The rotation of the one-way clutch gear 34 can be adjusted by a gear ratio of the combination of the one-way clutch gear 34 and the rack 33. Therefore, a sufficient quantity of feeding the sheet-like lowest staple is secured. The feed roller 32 is rotated by utilizing the forward/backward motion of the magazine section 1 with respect to the clincher section. Therefore, provision of any special drive means for rotation is not required.

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EPO DE2815551 Abstract.
EPO DE2822692 Abstract.
J. J. Ferrara, "Staple Stack Separator", Xerox Disclosure Journal, vol. 12, No. 6, Nov./Dec. 1987 pp. 297-298.
M.J. Russell et al, "Staple Sensing Apparatus", Research Disclosure, No. 157, May 1, 1977, pp. 22-23.

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