Double slot spanner locknut

Details Double slot spanner locknut Double slot spanner locknut

1995-05-25

1997-01-21

Wilson, Neill R.

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

Having structure to restrict rotation of threaded, mating...

Comprising a thread lock

411505, F16B 1906, F16B 3934

Patent

active

055954669

ABSTRACT:
A low profile double slot spanner locknut for engaging a threaded fastener having a substantially ring-shaped main body including a round outside edge, a hollow lower interior engagement portion and a hollow coined lip, portion. Two adjustment slots are positioned about 180.degree. apart on the outside edge and are used by a spanner drive tool for installing and adjusting the locknut. An impressionable nylon insert is positioned in a cavity in the coined lip portion. The insert is configured to further engage the thread of the fastener impressing the thread into the insert for self-locking during installation of the locknut.

REFERENCES:
patent: 1302854 (1919-05-01), Redmer
patent: 2450694 (1948-10-01), Sauer
patent: 4004626 (1977-01-01), Biblin et al.
patent: 4907924 (1990-03-01), Hellon
patent: 5020953 (1991-06-01), Wada

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