Patent Model - Improvement in Locks

Maker and role
Warren Taylor (b.1846, d.1914), Patentee
The Yale Lock Manufacturing Company, Assignee
Production date
Mar 04 1879
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Object detail

Brass, iron
2 1/2 x 1 3/4" (6.4 x 4.4cm)
Taylor's patent "is in the nature of an improvement on the locks patented by Lewis Yale, Jr., on 27th June, 1865, and by H. S. Shepardson on 18th January, 1870, and others of that class..." It adapts those locks "to lesser thicknesses of wood, and at the same time to increase the security of the locks against picking." This is accomplished "by constructing the locks with two independent sets of tumblers..." (Patent Number 213,006)
Object number
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