Elongated-member-driving apparatus – With means to form member prior to penetration of work – With offset tools to deform members
Patent
1986-11-28
1987-11-24
Bell, Paul A.
Elongated-member-driving apparatus
With means to form member prior to penetration of work
With offset tools to deform members
227 82, 227156, B27F 728, B27F 730
Patent
active
047082771
ABSTRACT:
A stitching head includes a crank rotatable about a longitudinal axis through an oscillatory displacement in each of the opposite drive and return directions of a cycle. The crank has a plurality of crank pins displaced radially from the longitudinal axis of the crank. A pivotally mounted staple supporter receives and supports an elongated piece of wire. A reciprocably mounted staple former cooperates with the staple supporter to form the piece of wire into a staple. A reciprocably mounted staple driver cooperates with the staple supporter and former to drive the staple into a product. A plurality of links couple the crank pins with the staple supporter, former and driver. The links cause independent but coordinated movement of the supporter, former and driver to form and drive the staple into the product. The crank pins are disposed at a plurality of separate locations on the crank radially displaced at different distances from the longitudinal axis of the crank.
REFERENCES:
patent: 2574380 (1951-11-01), Dutelle
patent: 2635234 (1953-04-01), Reed
patent: 4196835 (1980-04-01), Schlough
patent: 4236706 (1980-12-01), Schlough
AM International Incorporated
Bell Paul A.
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