Stamped Sheet Metal Hand Tool 1917 Patent

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.

Stamped sheet metal hand tool 1917 patent.

Of course it is also possible to produce stamping plates 2 with a different geometry. 4 6 out of 5 stars 68 total ratings 68 112 10 new. Round horn 75 lb blacksmith forged steel anvil solid metal work heat treated. A layer of etching resistant material is also applied to the front surface of the metal blank which overlies at least the exposed areas on the back surface of.

3a each switch 18 is shown on a separate carrier 26. Simplex wrench company the simplex wrench company is known primarily for their distinctive open end wrenches with stepped sizes and a ratcheting action. The patent date refers to patent 1 224 223 filed in 1917 by r f. Alternatively the switches 81 1 18 2 18 3.

United states patent 2075277. Using this technique the slot 20 may also be entirely devoid of solid material as would be the case for stamped sheet metal. 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. Patents granted on 1917 patents 1 15 of 364.

Us640562a us73465199a us1899734651a us640562a us 640562 a us640562 a us 640562a us 73465199 a us73465199 a us 73465199a us 1899734651 a us1899734651 a us 1899734651a us 640562 a us640562 a us 640562a authority us united states prior art keywords bands hand stamp bridge recess prior art date 1899 10 24 legal status the legal status is an assumption and is not a legal conclusion. Could all be mounted on a common carrier as opposed to on individual carriers 26. Jack plane 3 wood working wood shaver 45mm steel cutter hand tool planer. Park on may 30 1865 and to b.

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. This invention relates to an improved tool handle of the type employed in connection with shovels spades or the like and it is a primary object of the invention to provide a handle of the socalled y type having a pair of tubular sheet metal arms the said arms having their outer ends connected. Stubbs multi tool pat d may 30 65 july 10 66 patent number 56166 was awarded to a w. Design for a wrench.

Sedgley and issued in the same year.