US671521A - Lathe-bed. - Google Patents

Lathe-bed. Download PDF

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Publication number
US671521A
US671521A US73774099A US1899737740A US671521A US 671521 A US671521 A US 671521A US 73774099 A US73774099 A US 73774099A US 1899737740 A US1899737740 A US 1899737740A US 671521 A US671521 A US 671521A
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United States
Prior art keywords
bed
lathe
carriage
tail
stock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US73774099A
Inventor
Robert Lang
William Biggar Lang
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Individual
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Individual
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Priority to US73774099A priority Critical patent/US671521A/en
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Publication of US671521A publication Critical patent/US671521A/en
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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

  • the object of this invention is to provide a lathe-bed which will allow of the carriage being guided so as to be less liable to twist when traversed along said bed, while permitting of the movement of the tail-stock along the guides close up to said carriage.
  • the invention is illustrated by the accompanying drawing, which is a transverse section of the bed of an ordinary engine or screwcutting lathe with carriage and tail-stock.
  • A represents the bed, and B the carriage, of an ordinary screw-cutting lathe, while E and G are the usual bearings along which the carriage is ordinarily guided.
  • the principle objection to the ordinary method of guiding and fitting the carriage upon the lathe-bed is that it is comparatively easy, owing to the space formed between the shears of the lathe-bed, to strain said bed by compressing the faces E and C inward when adjustment is being made, and in order to obviate this disadvantage, while still permitting of the free movement close up to the carriage of the tail-stock J we take away the bearing at C and make a bearing at D instead, so that adjustment and guiding of the carriage upon the lathebed is made between the faces E and D,which I are both on one side of the lathe-bed.
  • the bearing-faces E and D are formed upon a raised piece G of the bed, which serves as a slide-guide for the flanges of the carriage, which piece G projects above the normal level of said bed in order to leave free the guidefaces H on the gap between the sides of the lathe along which the tail-stock J slides, provision for resisting any upward strain which might come upon the saddle being made by means of strips F on the bottom sides of the carriage B engaging flanges 0n the lathe-bed.
  • the drawing shows the tail-stock J in position and also how it is able to passbetween the tails or projecting sliding faces of the carriage to allow of small work being turned.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Slide Fasteners (AREA)
  • Fishing Rods (AREA)

Description

No; 671,52l. Patented Apr. 9, 190i.
. n. a w. s. LANG.
L A T H E B E D (Application filed Nov.- 21, 1899.)
(No Model.)
NITED STATES PATENT OFFICE.
ROBERT LANG AND WILLIAM BIGGAR LANG, OF JOHNSTONE, NEAR GLASGOW, SCOTLAND.
LATHE-BED.
SPECIFICATION forming part of Letters Patent No. 671,521, dated April 9, 1901. Application filed November 21, 1899. Serial No. 737,740. (No model.)
To all whom it may concern:
Be it known that we,ROBERTLANG and WIL- LIAM BIGGAR LANG, citizens of the United Kingdom of Great Britain and Ireland, residing at Mary street, J ohnstone, near Glasgow, Scotland, have invented a certain new and useful Improvement in Lathe-Beds, (which was patented in Great Britain on the 8th day of May, 1899, No. 9,639,) of which the following is a specification.
The object of this invention is to provide a lathe-bed which will allow of the carriage being guided so as to be less liable to twist when traversed along said bed, while permitting of the movement of the tail-stock along the guides close up to said carriage.
The invention is illustrated by the accompanying drawing, which is a transverse section of the bed of an ordinary engine or screwcutting lathe with carriage and tail-stock.
A represents the bed, and B the carriage, of an ordinary screw-cutting lathe, while E and G are the usual bearings along which the carriage is ordinarily guided. The principle objection to the ordinary method of guiding and fitting the carriage upon the lathe-bed is that it is comparatively easy, owing to the space formed between the shears of the lathe-bed, to strain said bed by compressing the faces E and C inward when adjustment is being made, and in order to obviate this disadvantage, while still permitting of the free movement close up to the carriage of the tail-stock J we take away the bearing at C and make a bearing at D instead, so that adjustment and guiding of the carriage upon the lathebed is made between the faces E and D,which I are both on one side of the lathe-bed. The bearing-faces E and D are formed upon a raised piece G of the bed, which serves as a slide-guide for the flanges of the carriage, which piece G projects above the normal level of said bed in order to leave free the guidefaces H on the gap between the sides of the lathe along which the tail-stock J slides, provision for resisting any upward strain which might come upon the saddle being made by means of strips F on the bottom sides of the carriage B engaging flanges 0n the lathe-bed.
The drawing shows the tail-stock J in position and also how it is able to passbetween the tails or projecting sliding faces of the carriage to allow of small work being turned.
Having now described the invention, what we claim, and desire to secure by Letters Patent, is-- V In a turning-lathe, in combination with the guideways for the tail-stock formed on the inner faces of the shears, a slide-guide for the tool-car1'iage,formed on one side of the shears above the normal level of said shears, the slide-guide having bearing-faces on each side upon which the tool-carriage is guided and adjusted, whereby binding of the carriage on the ways is prevented and the tail-stock can be run up close to the tool-carriage, substantially as shown and described.
In witness whereof we have hereunto set our hands in presence of two witnesses.
ROBERT LANG, WILLIAM BIGGAR LANG. Witnesses:
WAnLAoE FAIRWEATHER, JNo. ARMSTRONG, Jr.
US73774099A 1899-11-21 1899-11-21 Lathe-bed. Expired - Lifetime US671521A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US73774099A US671521A (en) 1899-11-21 1899-11-21 Lathe-bed.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73774099A US671521A (en) 1899-11-21 1899-11-21 Lathe-bed.

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US671521A true US671521A (en) 1901-04-09

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US73774099A Expired - Lifetime US671521A (en) 1899-11-21 1899-11-21 Lathe-bed.

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2660128A (en) * 1943-12-28 1953-11-24 Hayes Track Appliance Co Metal-working apparatus
US2761395A (en) * 1952-07-26 1956-09-04 Cecil C Peck Company Precision trackway and carriage
US4665784A (en) * 1985-02-08 1987-05-19 Centrum Badawczo-Konstrukcyjne Obrabiarek Machine tool

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2660128A (en) * 1943-12-28 1953-11-24 Hayes Track Appliance Co Metal-working apparatus
US2761395A (en) * 1952-07-26 1956-09-04 Cecil C Peck Company Precision trackway and carriage
US4665784A (en) * 1985-02-08 1987-05-19 Centrum Badawczo-Konstrukcyjne Obrabiarek Machine tool

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