US258783A - Reversible chuck-jaw - Google Patents

Reversible chuck-jaw Download PDF

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Publication number
US258783A
US258783A US258783DA US258783A US 258783 A US258783 A US 258783A US 258783D A US258783D A US 258783DA US 258783 A US258783 A US 258783A
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Prior art keywords
chuck
jaw
jaws
reversible
plate
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Expired - Lifetime
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B31/00Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02Chucks
    • B23B31/10Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/12Chucks with simultaneously-acting jaws, whether or not also individually adjustable
    • B23B31/16Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
    • B23B31/1627Details of the jaws
    • B23B31/16275Form of the jaws
    • 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
    • Y10T279/00Chucks or sockets
    • Y10T279/19Radially reciprocating jaws
    • Y10T279/1913Transverse-screw actuated
    • 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
    • Y10T279/00Chucks or sockets
    • Y10T279/19Radially reciprocating jaws
    • Y10T279/1926Spiral cam or scroll actuated
    • Y10T279/1941Bevel pinion
    • 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
    • Y10T279/00Chucks or sockets
    • Y10T279/19Radially reciprocating jaws
    • Y10T279/1986Jaws

Description

(No Model.)

2 Sheets-Sheet 2.

G. MADUELL.

REVERSIBLE CHUCK Law.

No. 258,783. Patented May 30, 1882.

IJV' VEJV TOR C'a rzo JIawZzae ZZ,

I f ,By

WITNESSES 3U. AWWV.

PATENT street CARLOS MADUELL, OF NEW ORLEANS, LOUISIANA.

REVERSIBLE CHUCK-JAW.

SPECIFICATION forming part of Letters Patent No. 258,783, dated May 30, 1882.

Application filed February 16, 1882- (No model.)

To all whom it may concern Be it known that I, OARLos MADUELL, a citizen of Spain, residing at New Orleans, in the parish of Orleans and State of Louisiana,

have invented certain new and useful Improvements in Reversible Chuck-Jaws; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which to it appertains to make and use the same.

My invention relates to improvements in reversible chuckjaws for lathes; and the object is to construct such jaws so that they can be readily and easily reversed for the purpose I 5 of holding objects of varying diameter in the same chuck-plate.

The invention consists in the construction and arrangement of the parts of a chuck-jaw, as will be more fully described hereinafter, reference being had to the accompanyin g drawin gs and the letters of reference marked there on.

In the drawings like letters refer to like parts and in the said drawings, Figure 1 rep- 2 5 resents a plan view of a chuck-plate with my improved jaws attached. Fig. 2 is a vertical cross-section of Fig. 1. Fig. 3 is an end view of the jaw, the parts being secured together. Fig. 4 is a perspective view of the jaw with the two parts detached. Fig. 5 is a side view of a jaw, showing the upper part reversed in dotted lines. Fig. 6 is a side and end view of a modified form of reversible chuck-jaws. Fig. 7 is a vertical cross-section of a modified form of chuck plate and jaws in position.

In the drawings, A represents the chuckplate, in this instance what is termed a scroll chuck-plate, although my improved chuckjaw can be readily applied to any of the wellknown styles of other chuck plates. This chuck-plate is provided with the usual teeth, a, with which the teeth h of the lower part, 0, of the reversible jaw B engage. The jaw is composed of the lower part, 0, and the upper part, D. The lower part, 0, has on each side a groove, 0 c, which engages with the ordinary ways or guides on the plate A. On its upper side the part0 has adovetail tongue, d, which fits into the groove e in the upper part, D. The two parts 0 D are secured together by a transverse key, f, which passes through the dovetail tongue and groove. On the upper face of the part D are arranged the usual steps 9 to embrace the object to be turned. The lower part,

0, is further provided with teeth h, which mesh with teeth t on the back of a bevel-wheel, E. Thejaws are in this instance operated by the bevel wheel E, arranged in the rear side of the chuck plate A, and into said wheel one or more bevel-pinions mesh, which can be oper- 6o ated by a proper keyto engage with the square ends on the pinion-shafts. Instead of this arran gement the jaws may, however, be provided with lugs 70 on the part 0 instead of the teeth. Said lugs are then tapped to receive screws F, which are supported in the recessed rim A of the chuck-plate. The back G is in this instance, as well as in the first case, made removable, so that the screws, with their collars l, or the bevel-pinions, can be placed in position, as shown in Figs. 7 and 2.

These jaws may be made complete to suit different styles and sizes of chuck-plates, and sold in the market as a new article of manufacture. 7 5

Many other methods of operating the jaws would suggest themselves to those skilled in the art; but I do notclaim such arrangements, as my invention relates to the reversibility of the chuck-jaws for any kind of chuck-plate.

To operate or use the jaws it is only necessary to take out the key, slide the upper part off from the lower part, reverse it, and then replace the upper part and key.

It will be thus seen that objects of greatly varying size and diameter can be readily and quickly clamped or held in position on the chuck-plate.

I am aware that chuck-jaws have been made in two parts, which were provided with dovetail grooves and tongues arranged at right angles to the adjusting-screws; but these are not reversible, as the screw-threads will not permit the reversing of the parts.

I am also aware that chuck-jaws have been 95 made reversible and provided with a mortise and tenon and held together by dowel-pins, and I therefore disclaim such constructions; but,

Having thus described my invention, what I I00 claim, and desire to secure by Letters Patent, 1s

1, The combination, with a chuck-plate, of the reversible chuck-jaws B, consisting of the parts 0 D,provided with radial grooves 0, and for adjustment, all arranged substantially as [O tongues (Z of dovetail shape, and secured toand for the purpose set forth.

gether by means of keysf, aileonstrueted and In testimony whereof I hereby aflix my sigarranged substantially as shown and specified. i nature in presence of two Witnesses.

:) ri n l .4. lhe combination, Wlth a ehuch plate, of CARLOS MADUELL the reversible chuck-jaws B, consisting of the parts (J D, having dovetailed shape grooves c, Witnesses:

and tongues 61, arranged radially on the parts PAUL GUNEA,

C D, secured together by keys f, and means JAMES P. MAGI.

US258783D Reversible chuck-jaw Expired - Lifetime US258783A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040084579A1 (en) * 2002-10-30 2004-05-06 Samsung Electronics Co., Ltd. Stand for display
US20040118984A1 (en) * 2002-09-27 2004-06-24 Samsung Electronics Co., Ltd. Display apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040118984A1 (en) * 2002-09-27 2004-06-24 Samsung Electronics Co., Ltd. Display apparatus
US20040084579A1 (en) * 2002-10-30 2004-05-06 Samsung Electronics Co., Ltd. Stand for display

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