Nose assembly for pulling fasteners through interference fit hol

Details Nose assembly for pulling fasteners through interference fit hol Nose assembly for pulling fasteners through interference fit hol

1989-10-30

1991-02-05

Jones, David

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

7245317, 2924353, B21J 1518

Patent

active

049894420

ABSTRACT:
A nose assembly for pulling fasteners through a workpiece includes an anvil having a conical surface for engaging a complimentary conical surface defined by a set of chuck jaws. The chuck jaws includes a rear skirted portion defining a recess for receiving a biased support member which prevents the radial collapse of the chuck jaws during actuation of the nose assembly. The nose assembly is particularly adapted for gripping a relatively short axially projecting portion of a fastener while ensuring complete engagement of all jaw teeth with the fastener.

REFERENCES:
patent: 3363445 (1968-01-01), Sanders et al.
patent: 3406557 (1968-10-01), Harris
patent: 3423986 (1969-01-01), Young
patent: 4063443 (1977-12-01), Yarbrough
patent: 4275582 (1981-06-01), Sheffield
patent: 4704888 (1987-11-01), Frearson

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