Locking device for an auxiliary lock
AssigneeTaiwan Fu Hsing Industry Co., Ltd.
InventorJui C. Lin
Life of this patent
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Abstract
A locking device for an auxiliary lock comprising a rotatable ring and a base. The ring is fitted around the auxiliary lock and combined with the base. Then they are mounted in the door to let a large part of the rotatable ring be exposed outside the door, and rotating the ring can cause the dead bolt of the auxiliary lock to extend out locking the lock.
Claims6
A locking device for an auxiliary lock comprising a rotatable ring, a base and an actuating wheel, said rotatable ring being provided with teeth around an inner peripheral edge for a tooth in the actuating wheel to engage with one of said teeth, said actuating wheel being provided with a cross-shaped hole for an actuating plate passing through a-dead bolt for mutual movement thereof, said rotatable ring being fitted around the lock and combined with the base at one vertical side to enable said ring to rotate said wheel, said tooth being separable from one of the teeth of the rotatable ring when said wheel is rotated 90.degree., said actuating wheel rotates the actuating plate 90.degree. to extend the dead bolt for locking the lock when said wheel is rotated 90.degree. by said ring.
Dependencies are inferred from the claim text.