Adjustable interconnected lock

Closure fasteners – Bolts – Multiple


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292172, 292DIG60, E05C 112




An interconnected lock is disclosed which can be used in applications which have differing center distances. A rack is located between the lower operator assembly and the upper deadbolt for engaging a pinion which will release the deadbolt. This pinion can be vertically located at a position to receive the drive spindle of the deadbolt. A second pinion which is secured to the turn lever for the deadbolt is secured to the faceplate. These pinions cooperate with adjacent width portions of the rack enabling the faceplate to operate with different center distances.

patent: 2862750 (1958-12-01), Minke
patent: 3791180 (1974-02-01), Doyle
patent: 4725085 (1988-02-01), Hu et al.
patent: 4809526 (1989-03-01), Shen
patent: 4934800 (1990-06-01), Choi
patent: 5513505 (1996-05-01), Danes


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