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US Patent: 613,283
Spoke Grip
Walter Frank Krahe - Brooklyn, NY

USPTO Classifications:
81/57.39, 81/58.2, 81/61, 81/DIG7

Tool Categories:
wrenches : spoke nipple wrenches
wrenches : ratchet wrenches


Not known to have been produced

L. M. Muller
M. A. Knowles
John Buckler

Patent Dates:
Applied: Feb. 18, 1898
Granted: Nov. 01, 1898

Patent Pictures:
Walter Frank Krahe patent November 1, 1898
USPTO pdf tiff
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This thin ratchet was designed to turn spoke nipples on bicycle wheels. The head and frame have open notches to allow the wrench to slide on from the side, and the notch in the head tapers to fit different sides of spoke nipples. The ratchet pawl has a handle so that it can be disengaged to allow the ratchet head to rotate freely to position it.

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