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US Patent: 618,571
Charles Lewis Henderson - Berlin, Ontario Canada

USPTO Classifications:
81/314, 81/315, 81/323, 81/337

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches


Not known to have been produced

H. J. S. Young
H. Dennison
B. Boyd

Patent Dates:
Applied: Feb. 28, 1898
Granted: Jan. 31, 1899

Patent Pictures:
Charles Lewis Henderson patent January 31. 1899
USPTO pdf tiff
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Ratchet action of a spring-tensioned pawl in the compression handle closes the adjustable jaw. When the compression handle is fully open, the movable jaw is free to slide within the limits imposed by a catch between the main bar and shank of the movable jaw. A link ring in the end of the compression handle can be swung over the end of the main shank to hold the wrench closed.

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