Elongated-member-driving apparatus – With means to move or guide member into driving position – Including supply magazine for constantly urged members
Patent
1985-01-14
1986-05-13
Bell, Paul A.
Elongated-member-driving apparatus
With means to move or guide member into driving position
Including supply magazine for constantly urged members
206338, 227135, 227136, B27F 711, B27F 721, B27F 736
Patent
active
045881219
ABSTRACT:
A staple forming and driving tool (10) employing a vertical front portion of a staple head base (34), and sheath (40) to provide a space for reciprocating former member (70) and driver (80). Spring (50) urges base (34) toward sheath (40) with spacer lugs (33) maintaining a defined distant between base (34) and sheath (40).
A belt (94) is fed through an opening (100) in base (34) by a cartridge (90) which protrudes into opening (100) and belt advancing means (104, 112) is held inoperative by forming tang (75) during a portion of the forming and driving stroke to prevent movement of staple wire (200) during critical periods of such stroke.
The former (70) is moved during the forming and driving stroke through a path which permits former lugs (72) to guide the former staple down to a point adjacent the workpiece (300).
REFERENCES:
patent: 1757883 (1930-05-01), St. Hilaire
patent: 2659885 (1953-11-01), Kirby
patent: 3009156 (1961-11-01), Lerner
patent: 3009618 (1961-11-01), Lerner
patent: 3279673 (1966-10-01), Schafroth et al.
patent: 3543987 (1970-12-01), Obergfell
patent: 3602414 (1971-08-01), Garfinkel
patent: 3690537 (1972-09-01), Turner et al.
patent: 3728774 (1973-04-01), Steller
patent: 3746236 (1973-07-01), Perlman
patent: 3971969 (1976-07-01), Wines et al.
Bell Paul A.
Swingline Inc.
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