Title: Hand operated lockbolt setting tool

Abstract: A pull-type fastener setting tool is provided comprising a pistol-shaped housing having an abutment on a barrel portion for engagement with one part of a fastener and which also includes a hand-grip portion, a pulling device slidable in the housing and engageable with a pulling stem of the fastener, a rotatable handle mounted on the housing, and actuating means including a plate cam arranged to be rotated by means of the handle. The actuating means also includes a cam follower mounted on an arm pivoted on the pulling device, the arm being connected by a link which is pivoted at one end to the arm and at the other end to the housing at a remote part of the hand-grip portion. The cam follower is capable of reciprocating along an arc of large radius in response to turning of the handle without moving significantly out of alignment with the pulling device.

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Inventors: Holloway, David J. (Aldridge, GB)

Application Number: 944711
Filing Date: 1978-09-22
Publication_date: 1980-02-26
Assignee: USM Corporation (Farmington, CT)
Primary Class(es): 29/243.522 29/243.526, 72/452.7, 81/313
Other Classes:
US Patent Ref:

2150361	Mar, 1939	Chobert	72/391.
2965258	Dec, 1960	Wilson	72/391.
3033410	May, 1962	Hanneman	72/391.
3359779	Dec, 1967	Filia	72/452.

Other Refs: 113538741414102715

Jul, 1941	AU
Dec, 1932	FR
Aug, 1963	NO

Primary Examiner: Husar, Francis S.
Assistant Examiner: Crosby, Gene P.
Attorney: Brine; Aubrey C., Megley; Richard B., White; Vincent A.