Rotatably engaging head for fastener

Details Rotatably engaging head for fastener Rotatably engaging head for fastener

1980-08-25

1983-07-19

Hafer, Robert A.

Buckles, buttons, clasps, etc.

Bale and package ties, hose clamps

With tighteners

411509, 24221R, A44B 1700

Patent

active

043935516

ABSTRACT:
A rotatably engaging head for a fastener for attaching a complementary panel member to a support member. The head includes a substantially flat underside and also includes a generally radially extending slit. One edge of the slit is connected to and defined by a lead-in tongue spaced above and generally parallel to the head. The tongue permits facile introduction of the head through an aperture in the panel, which aperture is smaller than the head. Extending from the head is a shank, for engagement of the support member to the panel member.

REFERENCES:
patent: 3225641 (1965-12-01), Harris et al.
patent: 3309955 (1967-03-01), Turnbull et al.
patent: 4214505 (1980-07-01), Almar
patent: 4270328 (1981-06-01), Page et al.

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