Drywall tool

Details Drywall tool Drywall tool

1984-08-30

1986-09-09

Bell, Paul A.

Elongated-member-driving apparatus

With control means responsive to sensed condition

Work-responsive

91267, 91271, 91300, 91321, 91417A, 227 66, 227120, 227130, B25C 104, B25C 700, F01L 1514

Patent

active

046103813

ABSTRACT:
A drywall tool provides tactile and audible feedback to the user, as a fastener is driven by frequent multiple blows, to indicate when the fastener is properly driven, and the drywall dimpled, without tearing the paper facing of the drywall. Dimpling apparatus and a firing valve for controlling the multiple blows are described. A cam is provided to withdraw the magazine follower from the last fastener in a strip to avoid jamming or damage by a descending driver. Tool apparatus permits use of lightweight, synthetic parts.

REFERENCES:
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patent: 2918675 (1959-12-01), Smith
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patent: 3971116 (1976-07-01), Goodsmith et al.
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patent: 4296672 (1981-10-01), Inhofer
patent: 4341336 (1982-07-01), Smith
Fastener Technology, "Taking the Sting from Hand-Held Riveting Guns", Aug. 1983, p. 29.

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