Locks – Operating mechanism – Using a powered device
Patent
1988-04-18
1989-02-28
Wolfe, Robert L.
Locks
Operating mechanism
Using a powered device
70386, 70DIG62, E05B 4700
Patent
active
048074543
ABSTRACT:
Locking means for preventing displacement of a displaceable member relative to a stationary member by means of an armature operatively associated with an electromagnet, the armature having a bipartite structure: a locking pin member engageable with the displaceable member and a sleeve member coaxially surrounding the locking pin member located on an end of an armature extending from the electromagnet. A plurality of radially mobile balls interact within bores in a portion of the stationary member extending between the locking pin member and the sleeve member to engage grooves in the locking pin member to lock or secure same in a position in which the locking pin member is engaged with the displaceable member. Selective energization of the electromagnet selectively positions the sleeve member and a groove located within an interior wall of the sleeve member to selectively limit radial movement of the balls. In a deenergized state, the electromagnet permits axial displacement of the locking pin member.
REFERENCES:
patent: 3525242 (1970-08-01), Young
patent: 3670538 (1972-06-01), Curry
patent: 4250725 (1981-02-01), Prunbauer
patent: 4603564 (1986-08-01), Kleinhany
Kornmayer Ewald
Sengupta Pritimay
Wolfe Robert L.
Zeiss Ikon AG
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