Elongated-member-driving apparatus – With means to move or guide member into driving position – Including supply magazine for constantly urged members
Patent
1985-06-12
1986-10-21
Spruill, Robert L.
Elongated-member-driving apparatus
With means to move or guide member into driving position
Including supply magazine for constantly urged members
227156, 173139, B25C 106, B25C 515
Patent
active
046180877
ABSTRACT:
A stapling machine with an increased momentum of the driver-ram combination for a heavy-duty task, the ram being accelerated by means of two electrical coils which surround externally the path of the ram to produce magnetic forces to speed up the movement of the ram. The rebound of the drive-ram combination is slowed down by means of an absorbing device which consists of many heavy-weight metal particles confined in a hollow round bar forming the ram, which particles move along but lag behind the movement of the ram so that the ram, when it rebounds will move against the particles still moving forward thereby dissipating ram momentum to prevent bouncing-back movement of the ram.
REFERENCES:
patent: 3347441 (1967-10-01), Doherty
patent: 3434026 (1969-03-01), Doyle
patent: 4006763 (1977-02-01), Ordonez
patent: 4500936 (1985-02-01), Dunlin
Ross Taylor J.
Spruill Robert L.
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