Patent Model - Trimming-Jack

Maker and role
Garret Olendorf, Patentee
Edwin Tripp, Patentee
Samuel Harper, Patentee
Production date
Apr 07 1857
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Object detail

Wood, iron
12 1/2 x 5 x 2 1/2" (31.8 x 12.7 x 6.4cm)
"The nature of our invention consists in the construction of a suitable frame, or bed-piece in which, near the lower surface the cutting dies are arranged, operating with a cam, eccentric, or an inclined plane, suitably connected and arranged with the design of obtaining the greatest effect from the power employed, and with size of machine used, for the purposes of trimming bolts or rivets..." (Patent Number 16,991)
Object number
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