Putnam Machine Co. - Assigned Patents

Manufacturers Index - Putnam Machine Co.

Putnam Machine Co.
Fitchburg, MA, U.S.A.
Manufacturer Class: Wood Working Machinery, Metal Working Machinery & Steam and Gas Engines

Patents

This page contains information on patents issued to this manufacturer.

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Patent Number	Date	Title	Name	City	Description
15,309	Jul. 08, 1856	Improved water-wheel	John Tyler	West Lebanon, NH	This is the main patent for the important Tyler turbine wheel, which was somewhat similar to the earlier but unpatented Francis turbine water wheel (see patent 39,562 for more on the Francis turbine). Tyler's subsequent improvements were issued as patent 20,456 (reissued as 3,018), 44,240, 52,625, 130,608, and 147,351. This present patent was reissued as 3,015 and then as 4,539, which was applied for and issued after this patent had expired. See that reissue for more information.
35,853	Jul. 08, 1862	Friction Clutch	Charles Burleigh	Fitchburg, Worcester County, MA
39,326	Jul. 21, 1863	Improvement in lathes	John Q. Wright	Fitchburg, MA	"Our invention has for its object to connect and disconnect the feed of lathes, &c., in a more simple and efficient manner than has heretofore been accomplished; and it consists in the employment of peculiar swivel or 'union-jointed' nuts, so arranged in connection with friction-clutches that the gears which operate the side and cross feeds may be instantaneously thrown in or out of action, as may be required."
		Improvement in lathes	Salmon W. Putnam	Fitchburg, MA
57,046	Aug. 07, 1866	Improvement in sawing-machines	Salmon W. Putnam	Fitchburg, MA	An improvement on C. P. S. Wardwell saw in patent 16,814. Like Wardwell's saw, Putnam's saw has two arbors mounted on a swinging frame so that one blade can be raised above the table while the other is simultaneously lowered below the table. Putnam's improvement is that the sawblades come up in the same place in the table. There is no evidence that Putnam Machine Co., or anyone else, made use of this invention. The earliest known Putnam Machine Co. catalog is from 1871, and the only two woodworking machines in it are a Woodworth planer and a clapboard planer. There is some chance that Rollstone Machine Works used the patent, but we have never seen a mention of it in Rollstone ads. If you have ever observed a Rollstone Wardwell's saw bench where the two blades come through the same spot in the top, please let us know.
61,141	Jan. 15, 1867	Improvement in valves of steam engines	Louis D. Bartlett	Fitchburg, MA	My invention consists in a simple and compact arrangement and construction of the valve-chests and steam passages of engines where poppet-valves are employed, whereby the dimensions of the chest can be reduced, and great facility afforded for removing the valves when cleaning or repairing is required.
70,862	Nov. 12, 1867	Improved nut-tapping machines	James Kirkley	Chicago, IL	In patent 142,511, S. W. Putnam, Jr., made improvements to this patent, from which we infer that Putnam Machine Co. licensed this patent.
111,248	Jan. 24, 1871	Improvement in machines for cutting screw-threads on bolts	Salmon W. Putnam Jr.	Fitchburg, MA	Crosby, Halsted & Gould - patent attorneys This invention relates details in the construction of that class of machines in which the bolt to be screw threaded is held from rotation, but is allowed to advance toward and. retreat from the screw-thread-forming dies which are made to rotate.
112,737	Mar. 14, 1871	Shaping Metals	Salmon W. Putnam Jr.	Fitchburg, Worcester County, MA
115,451	May. 30, 1871	Improvement in machines for tapping nuts	John N. Durrell	Dunkirk, NY	In patent 142,511, S. W. Putnam, Jr., made improvements to this patent, from which we infer that Putnam Machine Co. licensed this patent.
133,483	Nov. 26, 1872	Lathes for Turning Metal	Salmon W. Putnam, Estate of (deceased)	Fitchburg, Worcester County, MA	Crosby and Gould - patent attorneys Charles F. Putman, administrator for the estate of Salmon W. Putnam.
		Lathes for Turning Metal	Charles F. Putnam, Administrator	Fitchburg, Worcester County, MA
D6,764	Jul. 08, 1873	Design for frame of bolt-threading machines	Salmon W. Putnam Jr.	Fitchburg, MA
142,511	Sep. 02, 1873	Improvement in machines for tapping nuts	Salmon W. Putnam Jr.	Fitchburg, MA	Improvements to the machines of patents 70,862 and 115,451.
172,306	Jan. 18, 1876	Planer-Chucks	William Esty	Fitchburg, Worcester County, MA	N. C. Lombard - patent attorney Improvements in Planing-Machine Chucks, of which the following, taken in connection with the accompanying drawings, is a specification. My invention relates to a chuck or clamping device, to be bolted to the bed of a planer, and provided with suitable devices for clamping the article to be planed, and adapted to be readily adjusted to any desired-angle about a vertical axis, to adapt the article to be planed to the proper position relative to the planer-tool, without' disturbing the fastenings by which said chuck is secured to the planer-bed; and it consists, first, in the use, in a planer-chuck made in two parts, one of which is or may be bolted firmly in any desired place upon the upper surface of a planer-bed, and the other fitted thereto and adapted to be adjusted thereon about a vertical axis, and provided with a fixed and a movable jaw for clamping the article to be planed, of a circular hub projecting from one of said parts in the form of the frustum of a cone, with its outer end the largest, said hub being fitted into a dovetailed slot or groove formed in the contiguous face of the other part of said chuck, said slot extending from the periphery or outer edge of said piece to its center, and its end terminating in a semicircle concentric with the center of the chuck, and a gib fitted to slide in said dovetailed slot, and having its inner end cut concave and beveled from a vertical plane, so as to nicely fit the convex and tapered side' of the hub projecting from the first-named piece of said chuck, and a screw-bolt and nut adapted to force said gib against the hub and clamp it firmly in position, as will be further described. My invention further consists in. making said gib forked at its inner end, so as to form two curved and beveled wedges adapted to act upon the conical hub, in combination with a stationary nut located between the forks of said gib and a clamping-screw, which passes through a portion of the outer end of said gib, and fitted with suitable threads to work in said nut, for the purpose of adjusting and controlling said gib. My invention further consists in extending the bottom portions of the T-shaped slots formed in the upper side of the upper part of the chuck, to receive the T-heads of the clamping-bolts, for holding the movable jaw through the side of said upper or movable portion of the chuck, to facilitate the removal of dirt or chips of iron or other metal from said slots, as will be further described.
177,884	May. 23, 1876	Improvement in metal-turning lathes	Salmon W. Putnam Jr.	Fitchburg, Worcester County, MA	A. H. Evans & Co. - patent attorneys In practice mechanics experience greater or less difficulty in making taps, dies, and screws to agree in their pitch or lead. This is often the case when taps are chased in a lathe, and afterward hardened and tempered, as there is always more or less variation occasioned by shrinkage or expansion and a hole threaded with a tap made under such circumstances will not agree with a screw which has not undergone a like process, or which is made from a different material, although cut in the same machine. In many cases it is necessary to cut screws in lathes aside from that in which the tap was made, but the same imperfections, will generally be found, and often in a larger degree; and again it is frequently required to cut the same screw or screws in several lathes, and as the leading-screws of all lathes seldom agree, and are rarely perfect, their imperfections are readily comprehended even when the machines are new, and when worn their defects increased. These mechanical defects are of universal existence, but more plainly met with on large taps and screws, and particularly those with square and United States standard threads. As a partial remedy, screws with V-threads are generally cut smaller in diameter than should be, to fit properly, while in other cases these defective points are of such magnitude as to necessitate the imperfect and impracticable method of expanding or contracting the leading-screws of lathes, &c., by the application of heat or cold. To overcome these defects, and at the same time have other advantages, is the object of my invention, which consists in a mechanism for actuating the tool-carriage at a greater or lesser speed than-that given by the leading-screw, and in an improved tapering attachment, as will be hereinafter more fully set forth.
192,129	Jun. 19, 1877	Improvement in metal-working lathes	Salmon W. Putnam	Fitchburg, MA
D11,221	Jun. 03, 1879	Design for metal-drilling machines	Salmon W. Putnam	Fitchburg, MA
221,862	Nov. 18, 1879	Improvement in devices for securing the tail-stocks of metal-turning lathes	Salmon W. Putnam	Fitchburg, Worcester County, MA
D14,276	Sep. 11, 1883	Design for a drilling-machine frame	Salmon W. Putnam	Fitchburg, MA
291,398	Jan. 01, 1884	Lathe-bed	Salmon W. Putnam	Fitchburg, Worcester County, MA	"My improvements relate to beds of lathes for turning purposes... It is well known by those skilled in the art that in all lathes the front of the carriage is much heavier than the rear side, and that also the 'weight of the cut,' when the machine is at work, falls mostly on the front side of the carriage, and the action of these unequalized weights combines to cause the carriage to wear, settle, and get out of true much more rapidly on the front way or track of the lathe than upon the rear one, and this excessive wear is hastened by the prevailing practice of making both the front and rear ways of a like angle, or similar. To overcome this difficulty, and to offset this uneven wear, is one of the essential objects of my present invention. To remedy this great defect in lathes and to retard and offset this uneven wear, I make the front way or track, B, wider and at a more obtuse angle than the rear one, B'..."
313,447	Mar. 03, 1885	Lathe	Salmon W. Putnam	Fitchburg, MA	A. H.. Evans & Co. - patent attorneys My invention relates to means applied to a lathe for changing or increasing the velocity, thereby increasing the range and capacity of the lathe for screw cutting and turning purposes; and my invention consists in the novel arrangement and combination of devices, all of which will be hereinafter more fully described, and specifically pointed out in the claims. Heretofore various devices have been applied to lathes for the purpose of utilizing the increased velocity of the ordinary cone or cone-pulley or its pinion for the purpose of increasing the power and capacity of the lathe, but for various reasons the object sought has not been successfully, obtained. To remove these difficulties, and furnish to the trade a simple and durable lathe, is the purpose of my present invention.
336,065	Feb. 09, 1886	Metal Planing Machine	Salmon W. Putnam	Fitchburg, Worcester County, MA
525,863	Sep. 11, 1894	Metal Turning Lathe	Salmon W. Putnam	Fitchburg, Worcester County, MA	A. H. Evans & Co. - patent attorneys Application renewed 10 Mar 1894. The first object of my present invention is to produce a quick, handy and simple means of cutting screw-threads of both the English and metric system, and a new arrangement and combination of coarse and fine gear and belt feeds, all of which are available without stopping the lathe, or the clashing of the various movements. Another object of my invention is to produce a mechanism whereby an automatic engagement of the rack pinion is effected with the screw nut contained within the feed apron, so that both of these devices are operated and controlled by a single lever or handle.
638,274	Dec. 05, 1899	Metal-working machine	Salmon W. Putnam Jr.	Fitchburg, MA
		Metal-working machine	Salmon W. Putnam	Fitchburg, MA