Stamped Sheet Metal Hand Tool 1917 Patent

Us2192443a us265250a us26525039a us2192443a us 2192443 a us2192443 a us 2192443a us 265250 a us265250 a us 265250a us 26525039 a us26525039 a us 26525039a us 2192443 a us2192443 a us 2192443a authority us united states prior art keywords lever strap roller sector fulcrum prior art date 1939 03 31 legal status the legal status is an assumption and is not a legal conclusion.

Stamped sheet metal hand tool 1917 patent.

The company was founded around 1945 by the harmon family and remained in operation until at least the mid 1970s. Topping formerly the vice president of marketing for s k wayne tools. Us507672a us507672da us507672a us 507672 a us507672 a us 507672a us 507672d a us507672d a us 507672da us 507672 a us507672 a us 507672a authority us united states prior art keywords punch receptacle ticket jaw aperture prior art date 1893 10 31 legal status the legal status is an assumption and is not a legal conclusion. Of course it is also possible to produce stamping plates 2 with a different geometry.

4 1 out of 5 stars 9 total ratings 9 73 99 new. Erie tools tt hb72 72 industrial sheet metal hand brake bender plate with stand. 1 2 and 3 show a device 1 for punching and packaging preferably round die cut sheets 2 which by a tool upper part or stamp 3 and one cooperating with stamp 3 lower part of the tool or a die 4 a sheet metal strip 5 produced in a manner known per se become. Design for a wrench.

Compact bender metal fabrication tool mountable telescoping. Patents granted on 1917 patents 1 15 of 364. In 1969 the company was purchased by alexander t. Boardman for a improved combination tool on july 10 1866 with a hammer claw a monkey wrench a hammer face and a 5 16 square hole in the bottom of the hollow handle for use as a nut driver.

A method is shown for manufacturing a sheet metal tool from a metal blank in which a predetermined pattern of etching resistant material is applied to the back surface of the metal blank to define exposed areas separated by resist areas. Stubbs multi tool pat d may 30 65 july 10 66 patent number 56166 was awarded to a w. 30 square sheet metal steel hand bender bench mounted brake bending tool jig. The vanadium tool company was a maker of hand forged alloy steel tools located in athens ohio.

Park on may 30 1865 and to b. Van mark metal master 20 siding brake. Durable technologies stamps for steel marking the best steel marking tools available.