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- On 22 September 1885 Enoch Harris received US patent 326868 for his spanner that permitted both the jaw width and the angle of the handles to be adjusted and locked. Some countries refer to it as a "Swedish key" after Swedish inventor Johan Petter Johansson. In 1891 he got a patent for an improved adjustable spanner which is still used today.simple.wikipedia.org/wiki/Adjustable_wrench
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Adjustable spanner - Wikipedia
One of the most widely known forms of adjustable wrench in the 21st century is an improved version of the Clyburn type; it was developed in 1891–1892. See more
The fixed jaw can withstand bending stress far better than can the movable jaw, because the latter is supported only by the flat surfaces on either side of the guide slot, not the full thickness of the tool. The tool is therefore usually angled so that the movable jaw's area … See more
Wikipedia text under CC-BY-SA license Who Invented The Adjustable Wrench? A Brief History …
WEBApr 22, 2024 — The adjustable wrench, also known as a crescent wrench, was a game-changer in the world of tools. It allowed workers to use one tool for a variety of different-sized nuts and bolts, saving space and time.
History and Origin of Wrenches and Ratchets – Haus of Tools
Guide for Identifying Markings Found on Collectible …
WEBCatalogs also show several buggy and other wrench designs in several sizes including the Ideal buggy wrenches and Hill's patent adjustable nut wrenches. The logo is also seen on wrenches made by Eberhard for …
Bemis & Call Company - Alloy Artifacts
WEBJul 18, 2023 — In 1928 Bemis & Call acquired the rights to the wrench designs of the Coes Wrench Company, a well-known maker of adjustable wrenches operating in Worcester, Massachusetts. In 1939 B&C was …
Diamond Calk Horseshoe Company - Alloy Artifacts
WEBIn 1910 the company built a factory at 4630 West Third Street in Duluth. Diamond was very successful in their calk and horseshoe business, but as the tractor and automobile reduced the need for horses and horseshoes, …
Monkey wrench - Wikipedia
WEBAdjustable coach wrenches for the odd-sized nuts of wagon wheels were manufactured in England and exported to North America in the late 18th and early 19th centuries. They were set either by sliding a wedge, or …
Everything you need to know about the Adjustable Spanner
Adjustable wrench - Simple English Wikipedia, the free encyclopedia
Crescent Tools & the Adjustable Wrench - History & Lore
The Proto Empire - Alloy Artifacts
WEBIn 1948 adjustable wrenches marked with both Proto and Plomb (PRVTV-PLVMB) were made with a plain hanging hole (without a ridge), instead of the broached hole previously supplied. Penens catalogs from 1951 and …
The forgotten story of ‘America’s most famous tool’
Our Brands - A Brief History of Crescent
The Wrenching News for All Wrench Collectors of Old, Antique, …
The Glorious History of the Humble Crescent Wrench
Early Craftsman Tools and Their Makers [Page 1] - Alloy Artifacts
Westcott Wrench – SSWDA
100 years of adjustable wrench history : r/Tools - Reddit
From Rusty Relics to Valuable Collectibles: A Guide to Antique …
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J.H. Williams, The SuperCompany - Alloy Artifacts