US109079A - Improvement in combined centers and lathe-dogs - Google Patents

Improvement in combined centers and lathe-dogs Download PDF

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Publication number
US109079A
US109079A US109079DA US109079A US 109079 A US109079 A US 109079A US 109079D A US109079D A US 109079DA US 109079 A US109079 A US 109079A
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Prior art keywords
lathe
dogs
improvement
combined centers
shank
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Expired - Lifetime
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B33/00Drivers; Driving centres, Nose clutches, e.g. lathe dogs
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T82/00Turning
    • Y10T82/25Lathe
    • Y10T82/2568Center
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T82/00Turning
    • Y10T82/26Work driver

Definitions

  • a eenter, C formed with a ,serew-threaid,A so as to be removable.
  • the inner end of the center C engages with the groove b, and holds the rod B in place on the shank.
  • the inner end of the shank A is inserted in1the arbor, and the studs F fit in radial slots or grooves in the face-plate, so as to turn with it.
  • the space between the jaws is increased or diminished by Jturning the rod B to the right or left, and the strain is eqnalized by means of the set-screws E.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Detergent Compositions (AREA)

Description

enea sere ANDREW .I TRUXELL, 0F LYNCHBURG, VIRGINIA.
Letters Patent No. 109,079,11atea November s, 1870.
IMPROVEMENT IN COMBINED CENTERS AND LATHE-DOGS.
The Schedule referred to in these Letters Patent and making part Aof the same.
'To all whom it may concern Be it known that I, ANDREW J. TRUXELL, of Lynchbnrg, in the county of Campbell and State of Virginia, hayeinvented a new and useful Combined Center and Lathe-Dog 5 and l do' hereby declare that the following isa full, clear, and exact description thereof, sniicient 4to enable those skilled in the art to which my ine Near the outer end is a hole, through which passes a rod, B, having on one end a right-hand screw-thread, and on the other end a 1eft-hand screw-thread.
In the middleof the 'rod B is a groove, b.
In the outer end of the shank A. is inserted a eenter, C, formed with a ,serew-threaid,A so as to be removable.
The inner end of the center C engages with the groove b, and holds the rod B in place on the shank.
The jaws D have their outer ends curved toward each other, the inner ends being bent at right angles, and turned in opposite directions.
Near the curved ends are holes formed with screwthreads, which engage with the screw-threads on the rod B.
N ear the angles are set-screws E, which pass through the jaws and bear against the shank.
Between the angles and the inner ends are projections F.
The inner end of the shank A is inserted in1the arbor, and the studs F fit in radial slots or grooves in the face-plate, so as to turn with it.
The space between the jaws is increased or diminished by Jturning the rod B to the right or left, and the strain is eqnalized by means of the set-screws E.
lVhat I claim as new, and desire to secure by Letters Patent, is-
'lhe improved device herein described,,consisting of the shank and center A C, studded jaws D, and screws B and E, constructed and arranged as set forth.
Y A. J. TRUXELL.
studs or Vitnesses:
C. H. FITCH, JNO. Summe.
US109079D Improvement in combined centers and lathe-dogs Expired - Lifetime US109079A (en)

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US109079A true US109079A (en) 1870-11-08

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