US338301A - renshaw - Google Patents

Description

(No Model.) I 28l1eets-Sheet 1.

. J. W. RENS'HAW & S. H. PERIN.

MACHINE FOR GRINDING SAD IRONS.-

No. 338,301. Patented Mar. 23, 1886.

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MACHINE FOR GRINDING SAD IRONS.

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UNITED STATES PATENT OFFICE.

JOHN W. RENSHAW AND SAMUEL H. PERIN, OF JEFFERSONVILLE, IND.

MACHINE FOR GRINDING SAD-IRONS.

SPECIFICATION forming part of Letters Patent No. 338,301, dated March 23, 1886.

Application filed June 8, 1885. Serial No. 167,978.

To all whom it may concern:

Be it known that we, JOHN W. RENSHAW and SAMUEL H. PERIN, both of J effersonville, in the county of Clarke and State of Indiana, and citizens of the United States, have jointly invented certain new and useful Improvements in Machines for Grinding Sad-Irons, ofwhich the following is a specification.

Our invention consists in an improved de vice for feeding the sad-irons to the grindstone, and in the various combinations of mechanism, hereinafter set forth, and pointed out in the claims.

In the drawings, Figure l isa side elevation of the feeding device, the sliding frame upon which the same is mounted, and a portion of the grindstone; Fig. 2,afront elevation of the same; Fig. 3, a reduced View showing one method of imparting lateral motion to the grindstone; Fig. 4, a bottom view of the plate for holding irons; Fig. 5, a side view of the same, and Fig. 6 an end view of the guides for the plates carrying the irons.

A represents a grindstone mounted upon a shaft, or, to which revolving motion is imparted by any usual meansas by a belt running upon a pulley, a. A reciprocating motion is also imparted to the shaft by the cocentric B and worm-gears b and b, or other suitable means. Thus the grindstone has both a revolving and a laterally-reciprocating motion.

0 C represent a pair of endless chains carried by sprocket-wheels D D and rollers DD, mounted upon a suitable frame, E, which is made adjustable with reference to the grindstone by means of any suitable adjusting mechanism.

The chains C are preferably composed of alternate single and doublelinks, and the sprocket-wheels D have forked sprockets adapted to embrace the single links. A series of plates, F, for holding sad-irons, is mounted upon the chains 0, each plate preferably extending from chain to chain, and adapted to carry two or more irons.

(No model.)

In the form shown, f represents the base of the plate provided with aperture f, adapted to receive the handles of sad-irons, and having ahinged T-arm, f, adjustable with refer- 5o ence to the plate by means of aset-screw, f

Attached to the frame E are guides orslides e, adapted to receive the plates F as they approach the grindstone and guide them in a fixed path during the contact of the sad-irons 5 with the stone.

To claim as our invention-.-

1. In a machine for grinding sad irons, the combination of a grindstone having a rotating and a laterallyreciprocating motion, with one or more endless chains carrying a series of plates for holding sad-irons.

2. In a machine for grinding sad-irons, the combination of a grindstone having a rotating and a laterally-reci procatin g motion, with one or more endless chains carrying a series of plates for holding sad-irons, and carried by sprocket-wheels and rollers mounted upon a sliding frame.

3. In a machine for grinding sad'irons, the

combination of a-grindstone having a rotating and a laterally-reciprocating motion, and one or more endless chains carrying a series of plates for holding sad-irons, and carried by sprocket-wheels and rollers mounted upon a sliding frame, with guides adapted to confine said plates to a straight path during the contact of the irons with the grindstone.

4. In a machine for grinding sadirons, the

combination 'of a pair of endless chains, of a JOHN W. RENSHAW. SAML. H. PERIN.

Vitnesses:

SIMEON S. JoHNsoN, SILAS A. Bnssn.

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