US1031635A - Extension-gap engine-lathe. - Google Patents

Extension-gap engine-lathe. Download PDF

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Publication number
US1031635A
US1031635A US63415111A US1911634151A US1031635A US 1031635 A US1031635 A US 1031635A US 63415111 A US63415111 A US 63415111A US 1911634151 A US1911634151 A US 1911634151A US 1031635 A US1031635 A US 1031635A
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Prior art keywords
lathe
feed rod
bed
extension
gap engine
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Expired - Lifetime
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US63415111A
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Winthrop Lincoln Fay
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
    • B23Q1/015—Frames, beds, pillars
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T82/00—Turning
    • Y10T82/25—Lathe
    • Y10T82/2566—Bed

Definitions

  • My invention relates to engine lathes of the class known as extension gap engine lathes.
  • the bed is mounted on the frame of the machine in such a way as to slide longitudinally whereby a gap or space may be formed adjacent to the head stock to allow full diameter of swing.
  • the longitudinal adjustment of the movable bed has been effected by hand operated devices which were slow in operation and required considerable efiort to work.
  • the object of my invention is to apply to the moving of the bed the regular power of the machine so arranged that it may be applied quickly and easily.
  • this end in view I cut a screw thread on the regular feed rod and secure to the movable bed a sectional nut capable of being temporarily engaged with the feed rod to move it to the desired position.
  • FIG. 1 is a side elevation of an extension gap engine lathe with my invention applied, only those parts of the lathe being shown which are necessary to the understanding of the invention.
  • Fig. 2 is a part front elevation and part section of the mechanism connecting the feed rod with the movable bed somewhat modified from the form shown in Fig. 1, and
  • Fig. 3 is a section on X X of Fig. 2.
  • a represents the main frame or foundation of the lathe
  • b is the face plate on the head-stock
  • d the tool carriage
  • a the tail-stock
  • e the movable bed
  • 9 the lead screw and f the feed rod.
  • the gears connecting the feed rod with the lead screw are shown at h, h and 72. and are inclosed in a casing 71.
  • the gear 72. is splined to the feed rod in the usual manner.
  • the movable bed 6 is moved longitudinally whenever required by the feed rod f which is screw threaded for this purpose.
  • a sectional nut is secured to the bed 6 in such a manner as to be readily connected to and disconnected from the feed rod.
  • I provide a half nut 7' preferably pivoted to the casing 2' as shown in Figs. 2 and 3 so that it may be swung up and held in engagement with the under side of the feed rod.
  • a handle y" is provided by which the half nut may be manipulated.
  • Fig. 1 the half nut and the bracket 9' by which it is secured to the movable bed are separated from the casing containing the connecting gears, but in Figs. 2 and 3 the bracket is formed as a part of the casing containing the gears.
  • the operation of my device is obvious from its construction.
  • the nut j normally hangs down out of engagement with the feed rod, and when it is desired to move the bed one way or the other, the half nut is held by hand against the under side of the feed rod engaging the screw thread and moving the bed into the desired positions.
  • the nut is simply released and it at once drops out of engagement.
  • the bed may be made to move in either direction by running the lathe ahead or reversing the motion.
  • an extension gap engine lathe In an extension gap engine lathe, the combination of a longitudinally movable bed, a screw threaded and slotted feed rod, and a half nut pivoted to said bed and adapted to engage said feed rod.

Description

,W. L. FAY.
EXTENSION GAP ENGINE LATHE.
APPLICATION FILED JUNE 19, 1911.
1,031,635, Patented July 2, 1912.
WINTHBO]? LINCOLN FAY, OF DEXTER, MAINE.
EXTENSION-GAP ENGINE-LATHE.
Specification of Letters Patent.
Application filed June 19, 1911.
Patented J uly2, 1912. Serial No. 634,151.
To all whom it may concern:
Be it known that I, WINTHROP LINCOLN FAY, of Dexter, in the county of Penobscot and State of Maine, have invented certain new and useful Improvements in Extension- Gap Engine-Lathes, of which the following is a specification.
My invention relates to engine lathes of the class known as extension gap engine lathes. In these lathes the bed is mounted on the frame of the machine in such a way as to slide longitudinally whereby a gap or space may be formed adjacent to the head stock to allow full diameter of swing. Hitherto the longitudinal adjustment of the movable bed has been effected by hand operated devices which were slow in operation and required considerable efiort to work.
The object of my invention is to apply to the moving of the bed the regular power of the machine so arranged that it may be applied quickly and easily. lVith this end in view I cut a screw thread on the regular feed rod and secure to the movable bed a sectional nut capable of being temporarily engaged with the feed rod to move it to the desired position.
I illustrate my invention in the accompanying drawing, in which- Figure 1 is a side elevation of an extension gap engine lathe with my invention applied, only those parts of the lathe being shown which are necessary to the understanding of the invention. Fig. 2 is a part front elevation and part section of the mechanism connecting the feed rod with the movable bed somewhat modified from the form shown in Fig. 1, and Fig. 3 is a section on X X of Fig. 2.
In the drawing, like parts are marked with like letters.
In the drawing, a represents the main frame or foundation of the lathe, b is the face plate on the head-stock, d the tool carriage, a the tail-stock, e the movable bed, 9 the lead screw and f the feed rod. The gears connecting the feed rod with the lead screw are shown at h, h and 72. and are inclosed in a casing 71. The gear 72. is splined to the feed rod in the usual manner. The movable bed 6 is moved longitudinally whenever required by the feed rod f which is screw threaded for this purpose. A sectional nut is secured to the bed 6 in such a manner as to be readily connected to and disconnected from the feed rod. As here shown, I provide a half nut 7' preferably pivoted to the casing 2' as shown in Figs. 2 and 3 so that it may be swung up and held in engagement with the under side of the feed rod. A handle y" is provided by which the half nut may be manipulated.
In Fig. 1 the half nut and the bracket 9' by which it is secured to the movable bed are separated from the casing containing the connecting gears, but in Figs. 2 and 3 the bracket is formed as a part of the casing containing the gears.
The operation of my device is obvious from its construction. The nut j normally hangs down out of engagement with the feed rod, and when it is desired to move the bed one way or the other, the half nut is held by hand against the under side of the feed rod engaging the screw thread and moving the bed into the desired positions. When the bed has arrived at the desired po: sition the nut is simply released and it at once drops out of engagement.
The bed may be made to move in either direction by running the lathe ahead or reversing the motion.
I claim:
1. In an extension gap engine lathe, the combination of a longitudinally movable bed, a screw threaded and slotted feed rod, and a sectional nut on said movable bed adapted to engage and disengage said feed rod.
.2. In an extension gap engine lathe, the combination of a longitudinally movable bed, a screw threaded and slotted feed rod, and a half nut pivoted to said bed and adapted to engage said feed rod.
8. In an extension gap engine lathe, the combination of a longitudinally movable bed, a screw threaded and slotted feed rod, and a half nut pivoted to said bed and adapted to be swung into engagement with the under side of said feed rod.
WINTHROP LINCOLN FAY.
Witnesses:
MYRTIE M. LEIGHTON, CHARLES W. YEATON.
Copies of this patent may be obtained. for five cents each, by addressing the "Commissioner of Patents, Washington, D. G.
US63415111A 1911-06-19 1911-06-19 Extension-gap engine-lathe. Expired - Lifetime US1031635A (en)

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US63415111A US1031635A (en) 1911-06-19 1911-06-19 Extension-gap engine-lathe.

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US63415111A US1031635A (en) 1911-06-19 1911-06-19 Extension-gap engine-lathe.

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416612A (en) * 1944-04-20 1947-02-25 Robert Nord Fagerburg Duplex combination extension lathe
US9103805B2 (en) 2013-03-15 2015-08-11 Leeo, Inc. Environmental measurement display system and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416612A (en) * 1944-04-20 1947-02-25 Robert Nord Fagerburg Duplex combination extension lathe
US9103805B2 (en) 2013-03-15 2015-08-11 Leeo, Inc. Environmental measurement display system and method

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