Impact fastener device

Details Impact fastener device Impact fastener device

1985-01-24

1986-07-15

Holko, Thomas J.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Impact driven fastener, e.g., nail, spike, tack, etc.

Including integral locking means

411179, 411479, 411495, F16B 1504

Patent

active

046003452

ABSTRACT:
An impact fastener especially adapted for holding batts of insulation to sheet metal is disclosed. A characterizing feature of the fastener resides in the provision of three stabilizing legs which are configured to engage the surface of the receiving metal after partial penetration and to deform in accordance with the depth of penetration, providing in all instances a stabilizing effect.

REFERENCES:
patent: 1841353 (1932-01-01), Boggess
patent: 3095777 (1963-07-01), Hallock
patent: 3133378 (1964-05-01), Poupitch
patent: 4003286 (1977-01-01), Hallock
patent: 4231280 (1980-11-01), Gross
patent: 4337287 (1982-06-01), Falkenberg

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