Patent Model - Improvement in Devices for Holding Bits in their Sockets
Maker and role
C. Hunter, Patentee
Production date
Oct 27 1863
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Object detail
Media/Materials
Steel
Measurements
15 3/4 x 17 3/4 x 2 1/4" (40 x 45.1 x 5.7cm)
Description
Hunter's patent is for "a socket for holding boring tools, constructed to operate with a sliding ring working combination with a dog, as described, said dog having inclined planes..." The dog mentioned in the patent is a tool that helps or prevents movement through engagement or obstruction. (Patent Number 40,412)
Collection
Object number
2015.14.446
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Maker
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