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GB Patent: GB-384,468
A New and Improved Rapidly Adjusting Spanner To Take Nuts of Different Sizes
Arthur Pearson Ibbott - Oxhey, Watford, Hertfordshire, Great Britain

USPTO Classifications:

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


Chas. Richards & Sons, Ltd. - Darlaston, England

none listed

Patent Dates:
Applied: Jan. 26, 1932
Granted: Dec. 08, 1932

Patent Pictures:
A. P. Ibbott patent applied January 26, 1932
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GB-384468 in ESPACENET
A pivoted cam with spiral groove or edge provides adjustment for the movable jaw. The principle is shown as applied to a variety of wrench forms.

An adjustable wrench marked "BURSTON / BRITISH PATENT 384468 - 26-1-32 / CHAS. RICHARDS & SONS LTD - DARLASTON, ENGLAND" embodies this patent.

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