Stapler

Details Stapler Stapler

1976-08-09

1977-06-21

Custer, Jr., Granville Y.

Elongated-member-driving apparatus

With means to move or guide member into driving position

Including supply magazine for constantly urged members

361166, B27F 722

Patent

active

040306569

ABSTRACT:
An electromagnetic power device for moving the operating rod of a stapler or the like having a driving head pivotally mounted on a support member for movement toward an anvil, including plunger means mounted on the support member for linear movement through an advancing stroke from a first inoperative position to a second position for advancing the head and through a driving stroke from the second position toward a third position for driving the staple. Advancing coil means are provided for moving the plunger means from the first position to the second position and driving coil means are provided for moving the plunger means from the second position toward the third position. Circuit means are provided including a foot switch having sequentially operable switch means, the switch means having a normal switch position and sequentially operable advancing and driving switch positions for energizing first the advancing coil and thereafter the driving coil.

REFERENCES:
patent: 2580135 (1951-12-01), Soave
patent: 2635235 (1953-04-01), Green
patent: 2883666 (1959-04-01), Moore
patent: 2981869 (1961-04-01), Balint
patent: 3219854 (1965-11-01), McLaughlin

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