US2497504A - Loose headstock of a lathe - Google Patents

Loose headstock of a lathe Download PDF

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Publication number
US2497504A
US2497504A US667036A US66703646A US2497504A US 2497504 A US2497504 A US 2497504A US 667036 A US667036 A US 667036A US 66703646 A US66703646 A US 66703646A US 2497504 A US2497504 A US 2497504A
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US
United States
Prior art keywords
stock
bed
loose
lathe
portions
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
Application number
US667036A
Inventor
Kronouer Johan George
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hartford National Bank and Trust Co
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Hartford National Bank and Trust Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hartford National Bank and Trust Co filed Critical Hartford National Bank and Trust Co
Application granted granted Critical
Publication of US2497504A publication Critical patent/US2497504A/en
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Expired - Lifetime legal-status Critical Current

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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
    • 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
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
    • B23Q1/262—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members with means to adjust the distance between the relatively slidable members
    • 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
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
    • B23Q1/28—Means for securing sliding members in any desired position
    • 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
    • B23Q2701/00—Members which are comprised in the general build-up of a form of the machine
    • B23Q2701/01—Frames or slideways for lathes; Frames for boring machines
    • 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
    • Y10T82/2564—Tailstock

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Seasonings (AREA)
  • Machine Tool Units (AREA)
  • Turning (AREA)

Description

Patented Feb. 14, 1950 JohanY Greorge` Kronouei= assi'gnor,
EindhovenNetherlands, by mesne assignments, to Hartford National Bank and Trust Company, Hartford,
Conn., as trustee ApplicationMay 3, 194I3, Serial1No.y 667,036; In the Netherlands March 18, 1942 Section 1, Public Law 690, AugustS', 1946 Patent expires March 18, 11962 to the attachment ofthis stock, which is movable along the lathebedy tothe latter l It is well-known to-previde thelloose stockl with `a separate part availableinthefbed of the-lathe,
which part is movable relatively tothe stock. By means of a lever having an eccentric this loose part may be moved relatively to the said loose stock in such manner that this stock such as the tail-stock is clamped to the bed of the lathe. After loosening this attachment the motion of the stock over the bed yet remains difcult, particularly with heavy head-stocks.
The present invention has for its purpose to avoid this difficulty and is characterized in that at least one roller secured in a movable manner to the stock is located between two slide faces in the bed and in one position bears on one of the slide faces so that the loose stock is clamped to the bed, whereas in another position of this roller it engages the other slide face and lifts the loose stock from the bed of the lathe.
The construction according to the invention yields the advantage that the said roller serves on the one hand for clamping the loose stock and on the other hand supports the loose stock on the bed of the lathe. By means of this roller the loose stock is allowed to roll over the bed so that it can be easily shifted.
The loose stock is preferably equipped with four of such rollers which are provided pairwise on either side of this stock. In this case the loose stock can travel as a whole along the bed.
The invention will be more fully explained by reference to the accompanying drawing representing, by way of example, one form of construction thereof.
Figure 1 is a cross-sectional view of a loose lathe stock member according to my invention taken along the line I-I of Figure 2 looking in the direction indicated by the arrows.
Figure 2 is a side View in elevation of the means of Figure l taken along the line 2-2 of Figure l.
In the drawing the reference number Ill designates the bed which is provided on either side with a slot II whose upper and bottom face 23 and 24 respectively are realised to constitute slide faces. Furthermore the bed comprises a flat portion I9 and a V-shaped gutter 2l to which the loose head stock can be clamped. This V- shaped gutter .2| serves to fix the correct position of the loose stock in a direction at right angles to the bed.
a loose stock member Theloose stock member such as a tail-stock member IJ. comprises two ribs I5 and IIiwhich arev located atV some distance from the` side, wall of the stock; andgintegrally connected tov thesaid side-walls by means of the,A portion Irl-A (see Figure 2). Each` of. thesev ribs is perforated,v at two points and carries a `shaft I4. `'I-his shaft I4 has an eccentrically located cylindrical end I3 about which a roller I2 of hard steel is freely rotatable. This shaft I4 is rigidly connected to ther lever 22 which is movable in a space between the said ribs and the side wall of the loose stock member. The shafts I4 can be rotated by means of both these levers 22 at the same time by means of the connecting bar 22-A which results in that the eccentric part I3 is moved upward and downward so that the hard steel rollers I2 engage either the bottom slide faces 24 or the upper slide faces 23. In the first mentioned case the bottom sides IB and 2U respectively of the ribs I5 and I6 are lifted from the bed. The weight of the stock I1 is transmitted solely through the rollers I2 to the bed so that the loose stock can travel over the bed by means of the rollers I2. By displacing the levers 22 the rollers I2 are pushed against the slide faces 23 as a result of which the at slide face I8 is at the same time pushed against the face I9 of the bed and the V-shaped shoulder 20 is pushed into the V-shaped groove 2l. The stock is now clamped to the bed.
What I claim is:
l. Stock apparatus for a lathe, which comprises a stock member having side-wall portions and perforated rib portions in spaced-apart relation, a bed-like support member having a V- shaped gutter-like slot and square slide slots parallel to each other and to the said wall portions and rib portions, lever members, shaft members attached to said levers at the ends thereof and mounted for rotation in the said perforations and having eccentrically connected end portions, and roller members mounted for rotation on the said eccentric end portions, said rollers bearing on the top and bottom surfaces of the said square slots according to the extent and direction of the actuation of said levers.
2. Stock apparatus for a lathe, which comprises a stock member having side-wall portions and perforated rib portions in spaced-apart relation, a bed-like support member having a V- shaped gutter-like slot and square slide slots parallel to each other and to the said wall portions and said rib-portions, lever members, shaft members attached to said levers at the ends thereof and mounted for rotation in the said perthe said stock member and said support member according to the extent and direction of the actuaton of said levers.
3. Stock apparatus for a lathe, which comprises a stock member having apertured sidewall portions and perforated rib portions in spaced-apart relation, a bed-like support member having a raised central portion, a V-shaped gutter-like slot and square slide slots formed in the said central portion parallel to each other and to the said Wall portions and said rib portions, lever members, shaft members attached to said levers at the ends thereof and mounted for rotation in the said perforations and having eccentrically connected end portions, and roller members mounted for rotation on the said eccentric end portions, said rollers bearing on the top and bottom surfaces of the said square slots according to the extent and direction of the selective actuation of said levers.
4. Stock apparatus for a lathe, which comprises a stock member having side-Wall portions and perforated rib portions in spaced-apart relation, a bed-like support member having a V- shaped gutter-like slot and square slide slots parallel to each other and to the said wall portions and said rib portions, at least four lever members, shaft members attached to said levers at the ends thereof and mounted for rotation in the said perforations and having eccentrically connected end portions, and at least four roller members mounted pairwise one behind the other for rotation on the said eccentric end portions, said rollers bearing on the top and bottom surfaces of the said square slots according to the extent and direction of the actuation of said levers.
JOHAN GEORGE KRONOUER.
REFERENCES CITED The following references are of record in the le of this patent:
UNITED STATES PATENTS Number Name Date 185,682 Johnson Dec. 26, 1876 364,307 See June '7, 1887 1,381,188 Gurv June 14, 1921 2,049,842 Kling Aug. 4, 1936
US667036A 1942-03-18 1946-05-03 Loose headstock of a lathe Expired - Lifetime US2497504A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL240645X 1942-03-18

Publications (1)

Publication Number Publication Date
US2497504A true US2497504A (en) 1950-02-14

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US667036A Expired - Lifetime US2497504A (en) 1942-03-18 1946-05-03 Loose headstock of a lathe

Country Status (6)

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US (1) US2497504A (en)
CH (1) CH240645A (en)
DE (1) DE866123C (en)
FR (1) FR892423A (en)
GB (1) GB612550A (en)
NL (1) NL59160C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2958164A (en) * 1957-10-09 1960-11-01 Wesson Company Grinding machine
US3050912A (en) * 1959-05-18 1962-08-28 Cincinnati Milling Machine Co Mounting construction for machine tool member
US3940045A (en) * 1974-10-02 1976-02-24 Precision Industries, Inc. Manually positionable work element

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1110497B (en) * 1954-01-08 1961-07-06 Otto Mueller Maschinen Fabrik Movable boom for radial drilling machines
DE1026717B (en) * 1956-04-05 1958-03-27 Demag Ag Elevating and lowering vertical scaffolding for roller lines
DE1126825B (en) * 1960-03-11 1962-04-05 Demag Ag Tube rolling mill or the like with movable mandrel bar abutments
DE102015114213B4 (en) 2015-08-27 2017-06-22 Jenoptik Industrial Metrology Germany Gmbh Arrangement for clamping a rotatable workpiece
DE102015114214B4 (en) 2015-08-27 2017-03-30 Jenoptik Industrial Metrology Germany Gmbh Arrangement for clamping a rotatable workpiece

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US185682A (en) * 1876-12-26 Improvement in metal-turning lathes
US364307A (en) * 1887-06-07 Works
US1381188A (en) * 1919-05-10 1921-06-14 John B Gury Means for reducing friction
US2049842A (en) * 1934-04-16 1936-08-04 Fred E Kling Rolling mill

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US185682A (en) * 1876-12-26 Improvement in metal-turning lathes
US364307A (en) * 1887-06-07 Works
US1381188A (en) * 1919-05-10 1921-06-14 John B Gury Means for reducing friction
US2049842A (en) * 1934-04-16 1936-08-04 Fred E Kling Rolling mill

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2958164A (en) * 1957-10-09 1960-11-01 Wesson Company Grinding machine
US3050912A (en) * 1959-05-18 1962-08-28 Cincinnati Milling Machine Co Mounting construction for machine tool member
US3940045A (en) * 1974-10-02 1976-02-24 Precision Industries, Inc. Manually positionable work element

Also Published As

Publication number Publication date
CH240645A (en) 1946-01-15
DE866123C (en) 1953-02-09
NL59160C (en)
FR892423A (en) 1944-04-06
GB612550A (en) 1948-11-15

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