Flat key with interchangeable shaft

Details Flat key with interchangeable shaft Flat key with interchangeable shaft

1993-04-05

1995-01-24

Gall, Lloyd A.

Locks

Operating mechanism

Key

70408, 403294, E05B 1904

Patent

active

053833457

ABSTRACT:
In order to increase the value of a key, in particular a flat key, e.g. a car key, the head of the key is manufactured of noble metal and releasably connected to the shaft 1 of the key. For connecting the shaft 1 to the head 2 a snap-locking mechanism is employed, which is brought about by pins 8 adapted to be inserted through holes of the head 2 and the shaft 1 and a clamping plate 6 which is insertable into the head 2. The technical effect of the key, which is adapted to be assembled, resides in the fact that when the vehicle is changed the head may be interchanged for a key of a different vehicle type or a different lock. It is also possible for the noble metal to be reused for other purposes.

REFERENCES:
patent: 2298697 (1942-10-01), Hofmann
patent: 3267707 (1966-08-01), Adams
patent: 3797291 (1974-03-01), Keine
patent: 3841120 (1974-10-01), Gartner
patent: 3955725 (1976-05-01), Rese
patent: 4432218 (1984-02-01), Hoener
patent: 4901548 (1990-02-01), Deslandes
patent: 4998952 (1991-03-01), Hyatt, Jr. et al.
patent: 5058465 (1991-10-01), Womack
patent: 5099665 (1992-03-01), Terada
patent: 5131247 (1992-07-01), Hsu
patent: 5207082 (1993-05-01), LeMaitre
patent: 5211044 (1993-05-01), Kim
patent: 5272895 (1993-12-01), Best

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