Swiveling roofing washer

Details Swiveling roofing washer Swiveling roofing washer

1997-04-17

1998-09-08

Wilson, Neill R.

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

Washer structure

Having leveling means

411545, 52410, 4053021, F16B 4300, F16B 4302

Patent

active

058036938

ABSTRACT:
A swiveling roofing washer for use with a roofing fastener has a plate. The plate defines a centrally positioned fastener opening. The plate further has a bottom surface for engagement to a roofing membrane, and an oppositely positioned top surface. The top surface has a swivel surface portion defining a convex surface adjacent and coaxial with the fastener opening. The swivel surface further defines a fastener head receiving channel adjacent the convex portion and coaxial with the fastener opening for engagement with the head portion of a roofing fastener.

REFERENCES:
patent: 3164323 (1965-01-01), Steele et al.
patent: 3422721 (1969-01-01), Yonkers
patent: 4445808 (1984-05-01), Arya
patent: 5267423 (1993-12-01), Giannuzzi

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