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US Patent: 556,976
Combined Wrench And Lock For Bicycles
Clarence M. Herr - Chicago, IL

USPTO Classifications:
100/218, 100/910, 7/139, 70/14, 70/18, 70/227, 81/176, 81/52

Tool Categories:
wrenches : bicycle or pocket wrenches
wrenches : wrench combination tools


Not known to have been produced

H. H. Hale
W. H. Howe
H. S. Brown
Oscar Snell

Patent Dates:
Applied: Mar. 30, 1895
Granted: Mar. 24, 1896

Patent Pictures:
Clarence M. Herr patent March 24, 1896
USPTO pdf tiff
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Worm threaded nut and rack adjustable nut wrench with a key-activated latch and swinging hook on the end of the handle. The specifications and drawing show the tool connecting two bicycle fork members to prevent rotation of the wheel.

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