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Manufacturers Index - Van Norman Machine Tool Co.

Van Norman Machine Tool Co.
Springfield, MA, U.S.A.
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
570,723 Nov. 03, 1896 Milling Machine Charles E. Van Norman Springfield, Hampden County, MA This invention relates to milling machines, and particularly to that class provided with a pivotally-hung tool-carrying head adjustable in a vertical plane to any degree of a circle having for a center the pivot on which said head turns; and the invention consists more particularly in the construction of the driving mechanism for the milling1 tool or cutter, whereby the latter is positively driven by means of shafts having suitable gear connections with each other, said connections being attached to and adapted to move with the horizontally-sliding head to which the tool carrying head is attached.
578,588 Mar. 09, 1897 Milling-machine Charles E. Van Norman Springfield, MA
587,537 Aug. 03, 1897 Combined lathe and milling-machine Charles E. Van Norman Springfield, MA
588,510 Aug. 17, 1897 Milling-machine Charles E. Van Norman Springfield, MA
765,447 Jul. 19, 1904 Milling Machine Charles E. Van Norman Springfield, Hampden County, MA
979,903 Dec. 27, 1910 Tool-holder for lathes Frederick D. Van Norman Springfield, MA
RE13,584 Jun. 24, 1913 Tool-holder for lathes Frederick D. Van Norman Springfield, MA
1,141,854 Jun. 01, 1915 Tool-holder for lathes Frederick D. Van Norman Springfield, MA Improvements to 13,584.
1,830,179 Nov. 03, 1931 Cutting Tool Byron F. Stowell Hampden, Hampden County, MA
1,858,693 May. 17, 1932 Chuck Charles E. Van Norman Springfield, Hampden County, MA
1,881,993 Oct. 11, 1932 Tool attachment device Ewald A. Arp Minneapolis, MN Patent number seen on a Van Norman "Per-Fect-O" 77/S4 boring bar, along with patents 1,868,440, 1,906,241, and 1,954,034.
This invention...relates to the art of attaching portable cutting or finishing tools... In its preferred application the device will serve as a machine base for attaching cylinder boring or finishing tools to the engine block of multiple cylinder engines."
1,881,984 Oct. 11, 1932 Slide Mechanism for Precision Grinding Machines Charles E. Van Norman Springfield, Hampden County, MA
1,908,577 May. 09, 1933 Oscillating Grinder Charles E. Van Norman Springfield, Hampden County, MA
RE18,832 May. 16, 1933 Tool attachment device Ewald A. Arp Minneapolis, MN Patent number seen on a Van Norman "Per-Fect-O" 77/S4 boring bar, along with patents 1,868,440, 1,906,241, and 1,954,034.
This invention...relates to the art of attaching portable cutting or finishing tools... In its preferred application the device will serve as a machine base for attaching cylinder boring or finishing tools to the engine block of multiple cylinder engines."
2,036,657 Apr. 07, 1936 Valve Seat Puller Byron F. Stowell Springfield, Hampden County, MA
2,113,414 Apr. 05, 1938 Gauge Mechanism Byron F. Stowell Springfield, Hampden County, MA
2,230,716 Feb. 04, 1941 Table Drive for Milling Machines Frank W. Curtis Springfield, Hampden County, MA
2,281,921 May. 05, 1942 Tumble Change Gear Mechanism Frank W. Curtis Springfield, Hampden County, MA
2,289,874 Jul. 14, 1942 Milling Machine Frank W. Curtis Springfield, Hampden County, MA
2,301,525 Nov. 10, 1942 Milling Machine Frank W. Curtis Springfield, Hampden County, MA
2,302,744 Nov. 24, 1942 Spindle Control for Machine Tools Frank W. Curtis Springfield, Hampden County, MA
2,304,779 Dec. 15, 1942 Toolhead Unit Frank W. Curtis Springfield, Hampden County, MA
2,308,647 Jan. 19, 1943 Hydraulic Machine Tool Frank W. Curtis Springfield, Hampden County, MA
2,309,241 Jan. 26, 1943 Dividing Head Frank W. Curtis Springfield, Hampden County, MA
2,325,746 Aug. 03, 1943 Metal Cutting Tool with Inserted Teeth Frank W. Curtis Springfield, Hampden County, MA
2,327,404 Aug. 24, 1943 Milling Machine Frank W. Curtis Springfield, Hampden County, MA
2,328,061 Aug. 31, 1943 Hydraulic Vise Frank W. Curtis Springfield, Hampden County, MA
2,338,624 Jan. 04, 1944 Elevating Mechanism for Machine Tool Knees Frank W. Curtis Springfield, Hampden County, MA Original application 08 Mar 1940, now patent #2,301,525, dated 10 Nov 1942. Divided and this application 27 Nov 1940.
2,357,088 Aug. 29, 1944 Cutting Tool Frank W. Curtis Springfield, Hampden County, MA
2,361,995 Nov. 07, 1944 Method of Making Metal Cutting Tools Frank W. Curtis Springfield, Hampden County, MA
2,365,748 Dec. 26, 1944 Hydraulic Circuit Frank W. Curtis Springfield, Hampden County, MA
2,381,648 Aug. 07, 1945 Spark Gap Frank W. Curtis Springfield, Hampden County, MA
2,384,078 Sep. 04, 1945 Throttle Valve for Machine Tool Control Frank W. Curtis Springfield, Hampden County, MA
2,470,617 May. 17, 1949 Control for Variable Displacement Pumps William M. Hoddinott Springfield, Hampden County, MA