US426545A - Card-grinding apparatus - Google Patents

Card-grinding apparatus Download PDF

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US426545A
US426545A US426545DA US426545A US 426545 A US426545 A US 426545A US 426545D A US426545D A US 426545DA US 426545 A US426545 A US 426545A
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card
grinding
grinding apparatus
shoe
ground
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/16—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding sharp-pointed workpieces, e.g. needles, pens, fish hooks, tweezers or record player styli
    • B24B19/18—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding sharp-pointed workpieces, e.g. needles, pens, fish hooks, tweezers or record player styli for grinding carding equipment, e.g. card-clothings

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  • This invention has for its object the production of a novel apparatus for grinding the teeth of cards used in machines for treating cotton and other fiber.
  • a rotating wheel having an emery or other usual abrasive or cutting surface, is employed to act against the teeth of the card clothing, the said wheel being reciprocated by a screw-shaft or other equivalent means and traveling across the surface along the teeth to be ground as, for instance, in United States Patent No. 301,922, granted to me.
  • a grinding-wheel of the kind referred to meets as a tangent the convex surface of card-clothing to be ground, and the grinding operation is slow; and to enable the teeth-of the card-clothing to be ground more rapidly I have dispensed with the said grinding-wheel, and in its place I have employed a grindingshoe, having a concaved face, which, as shown, is of substantially the same curvature as the surface to be ground or to The grinding-shoe may have combined with it a screw-shaft to reciprocate it in one and then in a reverse direction.
  • my invention as applied to a part of the frame of a carding-machine to grind the card-clothing on the said cylinder; but I desire to state that my improved grinding apparatus may be used for any and all purposes for which the socalled Hardy grinder may he or is commonly used.
  • Figure 1 represents part of a carding-niachine and part of a card-clothed cylinder shown with my improved grinding apparatus applied for use, the grinding apparatusbeing in longitudinal section; and Fig. 2 is a partial section in the line m, Fig. l.
  • the frame-work A and the cylinder or surface B mounted therein, and having cardclothing as C, (but partially shown,) is supposed to be part of a carding-machine.
  • My improved grinding apparatus contains a grindingshoe D, having a concaved grinding-face composed of emery or other usual material commonly used for grinding cardclothing, the concaved face of the shoe fitting the surface to be ground for a considerable distance, as best shown in Fig. 2.
  • the shoe D as shown in Figs.
  • the sleeve or guide f at one end has a journal f, which is held by a set-screw 4 in a stand orbearing f like the stand (1.
  • the shaft cl having the double or crossing groove 3 receives in it a loose dogor follower 5, at the end of a stud 9 extended from the shoe 1), through a longitudinal slot 7 in the sleeve or guide f, and as the said shaft is rotated the shoe is reciprocated on the sleeve and made to pass from end to end of the card-clothed surface to be ground.
  • a grinding-shoe having a concaved face adapted to lit a convexed card-clothed sur- 9 face, and an upwardly-extended guide-receiving portion, and a guide parallel to the axis of the cylinder having the teeth which are to be ground, and extended through said guidereceiving portion of the shoe, combined with too 1o ing the said guide, and devices intermediate the shoe and screw-shaft to reciprocate the said shoe, to operate substantially as described.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Description

(No Model.)
W. H. RANKIN.
CARD GRINDING APPARATUS.
No. 426,545. Patented Apr. 29, 1890.
be left after the grinding operation.
UNITED STATES PATENT OFFICE.
WILLIAM H. RANKIN, OF LAWRENCE, MASSACHUSETTS.
CARD-GRINDING APPARATUS.
SPECIFIbATION forming part of Letters Patent No. 426,545, dated April 29, 1890. Application filed July 27, 1889. Serial No. 313,830. (No model.)
To all whom it may concern:
Be'it known that 1, WILLIAM H. RANKIN, of Lawrence, county of Essex, State of Massachusetts, have invented an Improvement in Card-Grinding Apparatus, of which the following description, in connection with the accompanying drawings, is a specification, like letters on the drawings representing like parts.
This invention has for its object the production of a novel apparatus for grinding the teeth of cards used in machines for treating cotton and other fiber.
In card-grinding apparatus as now commonly constructed a rotating wheel, having an emery or other usual abrasive or cutting surface, is employed to act against the teeth of the card clothing, the said wheel being reciprocated by a screw-shaft or other equivalent means and traveling across the surface along the teeth to be ground as, for instance, in United States Patent No. 301,922, granted to me. A grinding-wheel of the kind referred to meets as a tangent the convex surface of card-clothing to be ground, and the grinding operation is slow; and to enable the teeth-of the card-clothing to be ground more rapidly I have dispensed with the said grinding-wheel, and in its place I have employed a grindingshoe, having a concaved face, which, as shown, is of substantially the same curvature as the surface to be ground or to The grinding-shoe may have combined with it a screw-shaft to reciprocate it in one and then in a reverse direction.
I have herein shown my invention as applied to a part of the frame of a carding-machine to grind the card-clothing on the said cylinder; but I desire to state that my improved grinding apparatus may be used for any and all purposes for which the socalled Hardy grinder may he or is commonly used.
Figure 1 represents part of a carding-niachine and part of a card-clothed cylinder shown with my improved grinding apparatus applied for use, the grinding apparatusbeing in longitudinal section; and Fig. 2 is a partial section in the line m, Fig. l.
The frame-work A and the cylinder or surface B mounted therein, and having cardclothing as C, (but partially shown,) is supposed to be part of a carding-machine.
My improved grinding apparatus contains a grindingshoe D, having a concaved grinding-face composed of emery or other usual material commonly used for grinding cardclothing, the concaved face of the shoe fitting the surface to be ground for a considerable distance, as best shown in Fig. 2. The shoe D, as shown in Figs. 1 and 2, surrounds a hollow stationary sleeve or guide f, located parallel to the shaft of the cylinder having the card-clothed surface which is to be ground, the said sleeve or guide having, as shown, suitable bearings for the journals cl d of a screw-shaft d, having a double or crossing groove 3 of usual construction, the journal d also entering a bearing d and having at its outer end a pulley e, which, as shown, receives a belt (2, driven from a pulley e in the shaft e of the cylinder B, driven or rotated in any usual manner. The sleeve or guide f at one end has a journal f, which is held by a set-screw 4 in a stand orbearing f like the stand (1. The shaft cl having the double or crossing groove 3 receives in it a loose dogor follower 5, at the end of a stud 9 extended from the shoe 1), through a longitudinal slot 7 in the sleeve or guide f, and as the said shaft is rotated the shoe is reciprocated on the sleeve and made to pass from end to end of the card-clothed surface to be ground.
I do not desire to limit my invention to the exact form of mechanism by which to cause the shoe to be reciprocated from end to end of the card-clothed surface to be ground, for, insteadof the screw-shaft, which I prefer, I might use an endless belt or a chain, as such devices have heretofore been used to reciprocate grinding-wheels to grind card-clothed surfaces, as in United States Patent No. 173,87 2.
1. A grinding-shoe having a concaved face adapted to lit a convexed card-clothed sur- 9 face, and an upwardly-extended guide-receiving portion, and a guide parallel to the axis of the cylinder having the teeth which are to be ground, and extended through said guidereceiving portion of the shoe, combined with too 1o ing the said guide, and devices intermediate the shoe and screw-shaft to reciprocate the said shoe, to operate substantially as described.
In testimony whereof I have signed my name to this specification in the presence of two subscribing Witnesses.
WILLIAM H. RANKIN. Witnesses:
E. K. KENT, J OHN O. SANBoRN.
US426545D Card-grinding apparatus Expired - Lifetime US426545A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881281A (en) * 1973-03-07 1975-05-06 John D Hollingsworth Method of grinding card clothing
US4172342A (en) * 1973-08-27 1979-10-30 Gunter & Cooke, Inc. Method of forming a ring doffer
US4276678A (en) * 1977-12-14 1981-07-07 Gunter & Cooke, Inc. Ring doffer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3881281A (en) * 1973-03-07 1975-05-06 John D Hollingsworth Method of grinding card clothing
US4172342A (en) * 1973-08-27 1979-10-30 Gunter & Cooke, Inc. Method of forming a ring doffer
US4276678A (en) * 1977-12-14 1981-07-07 Gunter & Cooke, Inc. Ring doffer

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