National Acme Co. (NAMCO) - Assigned Patents

Manufacturers Index - National Acme Co. (NAMCO)

National Acme Co. (NAMCO)
Cleveland, OH, U.S.A.
Company Website: http://www.bourn-koch.com
Manufacturer Class: Metal Working Machinery

Patents

This page contains information on patents issued to this manufacturer.

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Patent Number	Date	Title	Name	City	Description
975,728	Nov. 15, 1910	Nut Feed for Tapping Machine	Oscar A. Smith	Cleveland, Cuyahoga County, OH
1,008,677	Nov. 14, 1911	Tool Holder or Bracket	Oscar A. Smith	Cleveland, Cuyahoga County, OH
1,021,848	Apr. 02, 1912	Floating tool-holder	Benjamin Rindfleisch	Cleveland, OH
1,038,670	Sep. 17, 1912	Threading Die	Oscar A. Smith	Cleveland, OH	Abstract This invention relates to threading dies of the character known as opening or self-opening dies, the object of the invention being to provide an improved tool of this character simple in construction and easily operated and which there will be no variation in the thread during the operation of the die by reason of the fact that the construction is such that it is impossible for the die chasers to open while a thread is being cut even though the die chaser operating means should be slightly shifted and in which also the die will cut the full length of the stock. See also patent #1,057,014. G. L. Weed - patent attorney
1,057,014	Mar. 25, 1913	Die	Oscar A. Smith	Cleveland, OH	Abstract This invention relates to threading dies of the character known as self-opening dies, the object of the invention being to provide an improved tool of this character simple in construction and easily operated and which may be readily reset by hand, and in the use of which there will be no variantion of the thread during the operation of the die, by reason of the fact that the construction is such that it is impossible for the die chasers to open while the thread is being cut even though the die chaser operating means should be slightly shifted, and by means of which the die the thread will be cut the full length of the stock without mutilation of the last thread being cut or of an adjacent shoulder. See also [patent #1,038,670. G. L. Weed - patent attorney
1,085,800	Feb. 03, 1914	Box-tool	William Crandall	Cleveland, OH
1,092,462	Apr. 07, 1914	Metal-working machine	Enoch Trobeck	, Germany
1,187,618	Jun. 20, 1916	Metal-turning tool	George Otis Gridley	Windsor, VT
1,256,180	Feb. 12, 1918	Drill-machine	Oscar A. Smith	Cleveland, OH
1,449,475	Mar. 27, 1923	Recessing Tool Holder	Earl H. Wheeler	Windsor, Windsor County, VT
1,783,541	Dec. 02, 1930	Tool Holder	William J. Hogg	Cleveland, Cuyahoga County, OH
		Tool Holder	Frederick Neumann	Cleveland, Cuyahoga County, OH
1,961,605	Jun. 05, 1934	Standard Spindle Nose	Alfred E. Drissner	Cleveland, Cuyahoga County, OH
		Standard Spindle Nose	Frank O. Hoagland	West Hartford, Hartford County, CT
		Standard Spindle Nose	Max E. Lange	Cleveland Heights, Cuyahoga County, OH
		Standard Spindle Nose	Nils Ivar Lundberg	Madison, Dane County, WI
		Standard Spindle Nose	John E. Lovely	Springfield, Windsor County, VT
1,978,427	Oct. 30, 1934	Combined Circular Chaser and Turning Tool	William J. Hogg	Cleveland, Cuyahoga County, OH	Claim: The present invention is an improvement upon that shown and described in my contemporaneously pending application, Serial Number 459,700, filed June 7th, 1930, and assigned to the National Acme Company, the owner of the present improvement, and reference is made to that case for a detailed description of the construction of the die itself and the manner of supporting the chasers therein, the present improved chaser having, as set forth in that case, straight grooves instead of spiral formed grooves, the chasers, however, being so set that they have all the effects of the spiral grooves without any of their disadvantages.