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GB Patent: GB-190,423,580
Improvements in Chain Wrenches
Patentee:
Cranley Lancelot Perry (exact or similar names) - London, England

USPTO Classifications:

Tool Categories:
wrenches : pipe wrenches : chain and strap wrenches

Assignees:
None

Manufacturer:
J. H. Williams & Co. - Brooklyn, NY

Witnesses:
none listed

Patent Dates:
Applied: Nov. 01, 1904
Granted: Dec. 01, 1904

Patent Pictures:
J.H. Williams & Co. patent registered Nov. 1, 1904 - edited from "Abridgments of Specifications"
Espacenet patent
Report data errors or omissions to steward Stan Schulz
GB-190423580 in ESPACENET
Description:
British patent corresponding to U.S. patent no. 773,773. C. L. Perry was a British patent agent.

Abstract: "A chain wrench in which the chain can be readily inserted in the chain passage has a head B with serrated gripping-faces attached to a handle A by means of a neck D. A double-acting flat-link chain C with projecting pintles is attached to the head as described in Specification No. 23,812, A.D. 1903 (GB-190323812), or other suitable manner, and the projecting pintles in the chain engage in lugs A in the handle and others in the neck. The locking-lugs are made with re-entrant portions L so that they may enter between adjacent pintles of the chain, thereby permitting the chain when locked to lie close against the face of the handle. The gripping- faces are tongued to the head and are made of hardened steel."

One of the patents used for J.H. WILLIAMS AGRIPPA chain pipe and fittings wrench.

Note: Early English patents (pre 1916) were numbered by the year and started at patent #1 at the start of each year in January. The patent # used in DATAMP represents the year of registration and the patent #. This patent is #23,580 of the year 1904.

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