Patent Model - Improvement in Caps for Wood-Screws

Maker and role
Henry Blake, Patentee
Production date
Feb 23 1875
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Object detail

Wood, brass
19 x 16 x 2 1/4" (48.3 x 40.6 x 5.7cm)
Blake's patent "relates to a device for covering screw-heads after they have been driven, for the purpose of making the head an ornament rather than a disfigurement; and the invention consists in a collar encircling the neck below the head, and set upon the screw before driving, and constructed with spurs or equivalent projections above the surface of the head, combined with a plate covering the outer surface of the head secured after the screw is driven by said spurs..." (Patent Number 160,148)
Object number
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