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Manufacturers Index - Roper Whitney, Inc.
This page contains information on patents issued to this manufacturer.

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Patent Number Date Title Name City Description
975,591 Nov. 15, 1910 Mechanical movement William A. Whitney Rockford, IL This patent was subsequently improved in patent 1,389,565; see that patent for a description of how this patent works.
1,050,583 Jan. 14, 1913 Ratchet Wrench William A. Whitney Rockford, Winnebago County, IL Reversible ratchet using a spring-loaded ball in a conical enclosure as the "pawl." The handle can be rotated a half-turn to control the direction of the ratchet action.
1,065,752 Jun. 24, 1913 Hand Metal Punch William A. Whitney Rockford, Winnebago County, IL
1,065,753 Jun. 24, 1913 Hand Metal Shears William A. Whitney Rockford, Winnebago County, IL
1,180,357 Apr. 25, 1916 Beam Punch William A. Whitney Rockford, Winnebago County, IL
1,389,565 Aug. 30, 1921 Machine element John Jensen Rockford, IL Improvements to patent 975,591, which is "a punch comprising a bushing, a spindle extending through the busing, the bushing and spindle being helically grooved, a series of balls in said grooves, and a cylindrical spacer or retainer for the balls, said retainer being interposed between the busing and the spindle and provided with holes for receiving the balls. The grooves in the bushing and the spindle are longer than the series of balls, so that the series of balls rotates and moves longitudinally as a body or unit. Among the many uses of punches and shears of the type shown in said Whitney patent is the shearing and punching of metal in connection with the erection of buildings. When employed in and upon buildings under construction, the tools receive extremely rough usage, and lubrication of the tools is very apt to be neglected. The retainer being necessarily formed of thin metal, it is subject to considerable wear under the most favorable conditions, the ball-receiving holes in the retainer becoming elongated as the wear and thus failing in their function of keeping the balls properly spaced apart."
1,403,366 Jan. 10, 1922 Screw Punch William A. Whitney Rockford, Winnebago County, IL
2,103,074 Dec. 21, 1937 Clamping device Ralph D. Gardner Rockford, IL
2,224,226 Dec. 10, 1940 Industrial Cutting Tool John Jenson Rockford, Winnebago County, IL