Locks – Operating mechanism – Key
Patent
1975-09-25
1976-08-03
Wolfe, Robert L.
Locks
Operating mechanism
Key
70377, E05B 1514
Patent
active
039722104
ABSTRACT:
A disc cylinder lock comprising a turnable cylinder enclosing a plurality of locking discs, turnable by the key of the lock, and between adjacent locking discs, intermediate discs. The intermediate discs are radially larger than the locking discs and are provided on one side with an axially extending edge portion defining a cup-formed space on one side of the intermediate disc, the opposite side of the disc being its bottom side. In the lock, the axially extending edge portion contacts the bottom side of an adjacent intermediate disc, so that the last mentioned bottom side forms a cover on the cup-formed space, thereby providing a substantially closed space for each locking disc, located between two adjacent intermediate discs. In this space the locking disc can move without being subject to axial load.
REFERENCES:
patent: 2524339 (1950-10-01), Young
patent: 3681956 (1972-08-01), Niilole
patent: 3848442 (1974-11-01), Mertanen
Toivonen Pentti
Tyynela Esko
Oy Wartsila Ab
Wolfe Robert L.
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