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Manufacturers Index - Henry & Wright Manufacturing Co.

Henry & Wright Manufacturing Co.
Hartford, CT, U.S.A.
Company Website: http://www.henrywright.com/
Manufacturer Class: Wood Working Machinery

Patents
This page contains information on patents issued to this manufacturer.

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Key to Links for Patent Information

USPTO = U.S. Patent Office . Images of the actual patent can be viewed on the U.S. Patent Office web site but a special TIFF viewer must be installed with your browser in order properly work. More information on how to configure your computer to view these patents can be found at TIFF image Viewers for Patent Images.
DATAMP = Directory of American Tool And Machinery Patents . A sister site to VintageMachinery.org with information on patents related to machinery and tools. A much easier user interface than the USPTO's for finding information on machinery patents.

Patent Number Date Title Name City Description
773,591 Nov. 01, 1904 Multiple-spindle drill-press Charles De Los Rice Hartford, CT This patent date was seen on a drill press from Henry & Wright Mfg. Co. of Hartford. We have also seen an undated condensed catalog from British maker Smith & Coventry, Ltd., which is titled "Sensitive Drilling Machine (Rice's Patent)". The text inside refers to "patents" and we presume that Rice's various drill press patents were all licensed by that maker.
775,735 Nov. 22, 1904 Machine element Charles De Los Rice Hartford, CT "This invention relates to the class of devices commonly known as 'keys,' 'feathers,', &c, by means of which a pulley or similar element is connected with a shaft to drive it rotarily..."
795,123 Jul. 18, 1905 Drill-spindle Daniel M. Wright Hartford, CT
    Drill-spindle Robert G. Henry Hartford, CT  
805,546 Nov. 28, 1905 Drill-spindle-driving mechanism Daniel M. Wright Hartford, CT
    Drill-spindle-driving mechanism Robert G. Henry Hartford, CT  
97,769 Feb. 27, 1906 Drill press Charles De Los Rice Hartford, CT This is the Canadian equivalent of US patent 984,708. See that patent for more information.
825,273 Jul. 03, 1906 Feed mechanism for drill-spindles Robert G. Henry Hartford, CT
834,438 Oct. 30, 1906 Power-transmission mechanism Daniel M. Wright Hartford, CT "This invention is particularly applicable for driving the spindle of a radial drill..."
851,728 Apr. 30, 1907 Spindle-drive William J. Bayrer Hartford, CT
863,137 Aug. 13, 1907 Drill-press William J. Bayrer Hartford, CT
877,157 Jan. 21, 1908 Manufacture of wood-screws William G. Allen Hartford, CT This patent provides improvements to the process of manufacturing rolled-thread wood screws. Cut screws were expensive to manufacture, and the metallurgical requirements for cutting threads were, to some degree, incompatible with the requirement for swaging the heads. The result was a screw that was brittle and prone to breakage. On the other hand, rolled-thread screws, traditionally produced by forcing wire screw-blanks between a pair of dies a fixed distance apart, were sensitive to slight variations in the wire thickness caused variations in the quality of the threads. In addition the screw heads were swaged first, and wear in the head dies caused variations in shank diameter, which led to malformed threads and jamming of the dies. On the other hand, rolled-thread screws avoided the disadvantages of the cut-thread screws.
The new method begins by "rolling the groove between the threads", followed by cutting or grinding the threads to the proper completed form. This additional step allows for variation in the shaping of the thread and removes irregularities. The method proposed that the first step could also be done by cold-swaging, which was reported to be suitable for bolts, where rapidity of production is not as important.
The Glbe screw Co. was established in 1907 by the inventor, William G. Allen, along with Robert G. Henry and Daniel M. Wright, who were the principals of Henry & Wright Mfg. Co., manufacturers of light machinery and hardware specialties.
See also patent 928,489, which describes the screw-making machinery in more detail.
928,489 Jul. 20, 1909 Screw-thread-cutting mechanism Robert G. Henry Hartford, CT This machine produces the rolled-and-cut threads on wood-screws as described in patent 877,157.
    Screw-thread-cutting mechanism William G. Allen Hartford, CT  
981,390 Jan. 10, 1911 Belt-gearing Charles De Los Rice Hartford, CT The manufacturer information is somewhat speculative: the patent was not explicitly assigned to Henry & Wright but an early patent to this inventor, 773,591, is known to have been used by that firm. Rice seems to have been a professional inventor as his numerous patents span machine tools, streetcars, trains, typewriters, and tire repair. Most of his patents were not explicitly assigned.
984,708 Feb. 21, 1911 Belt-gearing Charles De Los Rice Hartford, CT This patent was used by multiple drill press manufacturers.
"The invention consists mainly in belt gearing comprising step cone or multiple pulleys on the driving or driven shaft, or, preferably, on both, and intermediate pulleys or idlers and provisions for varying and determining the position thereof so that each step or pulley of one shaft may coöperate with any step or pulley on the other shaft, and the belt be properly guided tightened to transmit the rotary movement from one shaft to the other..."
1,022,756 Apr. 09, 1912 Belt-gearing Charles De Los Rice Hartford, CT The manufacturer information is somewhat speculative: the patent was not explicitly assigned to Henry & Wright but an early patent to this inventor, 773,591, is known to have been used by that firm. Rice seems to have been a professional inventor as his numerous patents span machine tools, streetcars, trains, typewriters, and tire repair. Most of his patents were not explicitly assigned.
1,035,143 Aug. 13, 1912 Clamping device William J. Bayrer Hartford, CT
1,049,984 Jan. 07, 1913 Wheel-locking device Charles L. Bowers Hartford, CT
1,073,683 Sep. 23, 1913 Belt-shifter Robert G. Henry West Hartford, CT
    Belt-shifter William J. Bayrer Hartford, CT  
1,169,115 Jan. 25, 1916 Power-transferring mechanism William J. Bayrer Hartford, CT
1,559,190 Oct. 27, 1925 Drill press Cortis F. Sherman Hartford, CT
1,560,193 Nov. 03, 1925 Drilling machines William G. Allen West Hartford, CT
1,578,099 Mar. 23, 1926 Brake mechanism for clutches Alvin E. Andrews Hartford, CT
    Brake mechanism for clutches Cortis F. Sherman Hartford, CT  
1,893,965 Jan. 10, 1933 Drill press Cortis F. Sherman Hartford, CT
1,954,651 Apr. 10, 1934 Machine frame Cortis F. Sherman Hartford, CT
1,954,652 Apr. 10, 1934 Power press Cortis F. Sherman Hartford, CT
1,954,653 Apr. 10, 1934 Power press Cortis F. Sherman Hartford, CT
    Power press Frank K. Simmons West Hartford, CT  
2,064,731 Dec. 15, 1936 Automatic punch press Alfred E. Caserta Hartford, CT
2,266,997 Dec. 23, 1941 Dieing machine Cortis F. Sherman Hartford, CT
2,321,325 Jun. 08, 1943 Dieing machine Alfred E. Caserta West Hartford, CT
    Dieing machine Cortis F. Sherman Hartford, CT  
2,357,557 Sep. 05, 1944 Process for producing links for machine gun belts and similar articles Cortis F. Sherman Hartford, CT
2,357,558 Sep. 05, 1944 Process for producing links for machine gun belts and similar articles Cortis F. Sherman Hartford, CT