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US Patent: 449,000
Bicycle Spoke Nipple Wrench
Alexander K. Schaap - Richmond, VA

USPTO Classifications:
81/119, 81/DIG.7

Tool Categories:
wrenches : spoke nipple wrenches


H. H. Kiffe Co. - New York, NY

F. R. Cornwall
R. W. Bishop
O. H. Funsten
C. E. Richardson

Patent Dates:
Applied: Jan. 15, 1891
Granted: Mar. 24, 1891

Patent Pictures: [ 1 | 2 ]
Alexander K. Schaap Pat. March 24, 1891
USPTO pdf tiff
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The wrench would have to be slid onto a spoke at its narrowest point and then slid down to engage the nipple. The center includes a spring to keep the wrench engaged with the spoke.

A generally similar "STAYTHERE" NIPPLE GRIP appears in an 1893 H.H. KIFFE (N.Y.) sporting goods catalog. A knowm example of the "STAYTHERE" with original box has this patent date on the box cover. It has a flat spring to keep the tool positioned on the spoke rather than the screw clamp shown in the patent drawing.

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