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GB Patent: GB-190,718,926
Improvements in Screw Spanners or Wrenches
Patentee:
Jozua Cornelis Hendrikus Van Duijl - Rotterdam, Netherlands

USPTO Classifications:

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

Assignees:
None

Manufacturer:
Thomas Chatwin, Ltd - Birmingham, England

Witnesses:
none listed

Patent Dates:
Applied: Aug. 22, 1907
Granted: Jan. 09, 1908

Patent Pictures:
J. C. H. Van Duijl registered Aug. 22, 1907- edited from ESPACENET
Report data errors or omissions
GB-190718926 in ESPACENET
Description:
"The movable - jaw support of a wrench of the kind described in Specification No. 29,300, A.D. 1896, is connected over its whole length with the handle, which extends in the direction of the jaws. The fixed jaw a is carried by a bridge - piece b attached to the handle d. The movable jaw c with its guide-rod f slides in the channel e and can be actuated by the nut i, h working on the screw g formed on the end of the guide-rod f. The part i of the nut bears against the flat end of the part b and relieves the part h from strain when the jaw c is being screwed up." -- Abstract

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