Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Headed fastener element with securing means and biasing spring
Reexamination Certificate
2006-05-30
2006-05-30
Saether, Flemming (Department: 3677)
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element with nut, washer, securing means or cap
Headed fastener element with securing means and biasing spring
C411S549000, C411S552000, C024S453000, C024S613000, C024S686000
Reexamination Certificate
active
07052223
ABSTRACT:
A lockable key comprises a handle, a flange, a shaft, a first spring, a second spring, and two depressible balls. The handle is connected to the top of said flange, and the shaft is connected to the bottom of the flange. The shaft provides two lateral appendages, and he first spring is coiled around the shaft between the flange and the two lateral appendages. The shaft terminates in a tapered region that provides apertures through which the depressible balls depend. The second spring is mounted internal to the shaft and acts to push the depressible balls outwardly through the apertures.
REFERENCES:
patent: 1803431 (1931-05-01), Hill
patent: 2779228 (1957-01-01), Meepos
patent: 2816471 (1957-12-01), Bachman
patent: 2968205 (1961-01-01), Springate
patent: 3085462 (1963-04-01), Myers
patent: 3097559 (1963-07-01), Chapman
patent: 3170362 (1965-02-01), Mewse
patent: 3183586 (1965-05-01), Sellers
patent: 3200690 (1965-08-01), Dickman
patent: 3233496 (1966-02-01), Frick et al.
patent: 3498653 (1970-03-01), McCreery
patent: 3608937 (1971-09-01), Nave
patent: 5865290 (1999-02-01), Scott
patent: RE36351 (1999-10-01), Yamamoto et al.
patent: 6267543 (2001-07-01), David et al.
patent: 6338649 (2002-01-01), Smith
patent: 09290185 (1998-05-01), None
Lee Larry Mason
Saether Flemming
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