Heavy duty forward acting stapling machine

Details Heavy duty forward acting stapling machine Heavy duty forward acting stapling machine

1996-08-09

1997-12-23

Smith, Scott A.

Elongated-member-driving apparatus

With means to move or guide member into driving position

Including supply magazine for constantly urged members

B25C 506

Patent

active

056999496

ABSTRACT:
A manually powered fastening tool which stores and instantly releases the energy of a spring such that it may force a staple or other fastener into an object by an impact blow is disclosed. An actuating lever engages a plunger in an upward motion against a spring bias and in a sideways direction in a release motion. An arcing motion of the lever causes an element of the lever to rotate and slide rearward from the plunger and disengage from the plunger, thereby allowing the lever to slide sideways off an angled surface of the plunger. The plunger, once released and under spring bias, strikes a staple and drives the staple out from the tool into the object.

REFERENCES:
patent: 2326540 (1943-08-01), Krantz
patent: 2412620 (1946-12-01), Kipp
patent: 2671215 (1954-03-01), Abrams
patent: 2769174 (1956-11-01), Libert
patent: 3610505 (1971-10-01), Males et al.
patent: 3862712 (1975-01-01), LaPointe et al.
patent: 3913817 (1975-10-01), Barrett et al.
patent: 4452388 (1984-06-01), Fealey
patent: 4629108 (1986-12-01), Judge
patent: 5165587 (1992-11-01), Marks
patent: 5407118 (1995-04-01), Marks
patent: 5427299 (1995-06-01), Marks

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