Patent Model - Open Link
Maker and role
John Sanders, Patentee
Dec 14 1880
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1 x 16 x 2" (2.5 x 40.6 x 5.1cm)
The object of Sanders "invention is to furnish open links for connecting trace-chains to whiffletrees, and for various other purposes, so constructed that they can be readily applied and detached without the use of tools, will be fastened automatically when closed, and will not be liable to become accidentally detached." (Patent Number 235,457)
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