Locks – Operating mechanism – Combination
Patent
1977-04-26
1978-08-08
Frazier, Roy D.
Locks
Operating mechanism
Combination
70311, 70318, 70333A, E05B 3702
Patent
active
041048962
ABSTRACT:
A dial type combination lock having a plurality of individual locking units each of which consists of a locking means and a dial means. The locking means has a pair of discs, one of which is a leading disc in which are a plurality of the holes at locations coinciding with the numbers displayed on the number carrying portion of the dial, and the other of which is the locking disc having a locking bolt receiving notch therein and a pin that is to be fit into one of the holes corresponding a designated number. The locking disc of each locking unit is connected with the leading disc thereof by the pin on the locking disc engaging in the hole in the leading disc corresponding with the designated number for the respective locking member and connecting shafts connect all the locking means to the dial means, so that during the operation of the lock, the locking bolt receiving notches in each of the locking discs are individually set in the bolt receiving position. When each of the locking member of the lock is set to the designated number, the grooves in the locking discs will be aligned so as to permit the lock to be opened.
REFERENCES:
patent: 269120 (1882-12-01), Saxon
patent: 294290 (1884-02-01), Tregoning
patent: 301646 (1884-07-01), Tregoning
patent: 1158152 (1915-10-01), Albanese
patent: 1308487 (1919-07-01), Eaton
patent: 1399886 (1921-12-01), Sarra
patent: 1416855 (1922-05-01), Michalek
patent: 1451036 (1923-04-01), Benham
patent: 1950503 (1934-03-01), Mahon
Frazier Roy D.
Holko Thomas J.
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