Fastener apparatus with self-leveling head

Details Fastener apparatus with self-leveling head Fastener apparatus with self-leveling head

2007-04-04

2010-12-14

Saether, Flemming (Department: 3677)

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

Washer structure

Having leveling means

C411S542000

Reexamination Certificate

active

07850410

ABSTRACT:
Fastener apparatus including a self-adjusting and automatically self-leveling head separate from a threaded shank portion. An embodiment of the apparatus provides a self-leveling head portion defining an annular conical recess and lip portion sized to receive a seal. A threaded shank resides within an annular cup center of the self-leveling head and has a thread-free portion seated by the compressed seal creating a water tight seal.

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patent: 2004/0052610 (2004-03-01), Kaupanger

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