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US Patent: 326,876
Ludwig Kramer - New York, NY
August Eikhoff - New York, NY

USPTO Classifications:
74/156, 74/577R, 81/177.85, 81/185, 81/61

Tool Categories:
wrenches : wrench components : wrench sockets
wrenches : ratchet wrenches


Not known to have been produced

William Miller
Otto Hufeland
W. Hauff
E. F. Kastenhuber

Patent Dates:
Applied: Jun. 15, 1885
Granted: Sep. 22, 1885

Patent Pictures:
L. Kramer and A. Eikhoff Pat. Sept. 22, 1885
USPTO pdf tiff
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The frame is open on one side; the ratchet head is held in the frame by the spring which serves as the pawl. Interchangeable heads are held in place by a retaining clip screwed to the socket shank. This clip will clear the sides of the hole through the ratchet head when aligned diagonally.

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