Fastening member assembly to be driven into a hard receiving mat

Details Fastening member assembly to be driven into a hard receiving mat Fastening member assembly to be driven into a hard receiving mat

1995-02-21

1997-04-15

Saether, Flemming

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

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

Having means to facilitate explosive driving

411440, F16B 1500

Patent

active

056202881

ABSTRACT:
A fastening member assembly includes an axially extending shank (1) with a leading end to be inserted into a receiving material and a trailing end with a load engagement member (2). The leading end has a tip (3). An axially extending section of the shank (1) is laterally enclosed by a sleeve (4) adjacent its leading end, and a stop (5) formed adjacent the trailing end of the sleeve. A bush (6) formed of impact-resistant plastics material encloses an axially extending section of the shank and extends from the stop (5) towards the leading end. When the fastening member is driven, the sleeve penetrates into a hard receiving material and the bush (6) deforms for absorbing excess driving energy, so that a member in the form of a retaining part being connected to the receiving member, is not destroyed.

REFERENCES:
patent: 128602 (1872-07-01), Dittman
patent: 3428169 (1969-02-01), Hilti
patent: 3516323 (1970-06-01), O'Brian
patent: 4802802 (1989-02-01), Thurner
patent: 4915561 (1990-04-01), Buhri
patent: 5397206 (1995-03-01), Sihon

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