US692287A - Engine cross-head. - Google Patents

Description

No. 692,287. Patentd Fab. 4, I902.

F. n. HULDSWDRTH.

ENGINE CROSS HEAD.

, (Application filed Apr. 9, 1901.) (No Model.)

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UNITED STATES PATENT OFFICE.

FRED DEAN HOLDSWORTH, OF CLAREMONT, NEW HAMPSHIRE, ASSIGNOR TO SULLIVAN MACHINERY COMPANY, OF CLAREMONT, NEW HAMPSHIRE, AND CHICAGO, ILLINOIS, A CORPORATION OF NEW HAMPSHIRE.

ENGINE CROSS-HEAD.

SPECIFICATION forming part of Letters Patent No. 692,287, dated February 4, 1902, Application filed April 9, 1901. Serial No. 54,979- (No model.)

To a whom it may concern: ceiving the nut 15. Just below the head the Be it known that I, FRED DEAN HOLDsbolt is tapered, as at 16, so that when the nut WORTH,aresidentof Claremont, in the county let is drawn up tight the said bolt will be of Sullivan and State of New Hampshire, have locked to the cross-head to swing therewith.

invented a new and useful Improvement in In the straight portion 11 of the slot in the 55 Engine Cross-Heads, (Case A 3) and I do hereblock 7 is located an adjusting block or plate by declare the following to be a full, clear, and 17, the same being provided with a concave exact description thereof. seat 18, which bears against the swivel-pin My invention relates to engine cross-heads, 12, and with a projection or stud 19, which and more particularly to such cross-heads as extends into the opening into which the pis- 60 are provided with wrist-pins at both ends for ton-rod 8 is screwed and against which stud or the attachment of connecting-rods thereto and projection the piston-rod 8 is adapted to bear. which cross-heads have a swivel connection In the use of my improved cross-head any with the piston rod or rods in order to relieve inequality in the length of the connecting- I5 the said piston rod or rods of any bending rods or lack of alinement of the engine-shaft 65 strains due to inequalities in the lengths of will cause a slight swinging or rocking of the the connecting-rods, lack of alinement of the cross-head about the swivel-pin 12, which will engine-shaft, or to other causes. cause a slight wear between said pin and the The object of my invention is to provide block 7. In order to take up this wear, it is means whereby the wear in the swivel conmerely necessary to screw the piston-rod 8 a 7c nection of the cross-head and piston-rod may little farther into the block 7, thereby forcbe taken up. ing the block or plate 17 against the swivel- In the accompanying drawings, Figure 1 is pin 12, as will be readily understood. a plan View of the cross-head. Fig. 2 is a While I have shown two piston-rods contransverse section of the same, and Figs. 3 nected to the block 7, I wish it understood 75 and 4 are details of the adj usting-block. that my invention is not limited thereto, but

1 represents the cross-head, which is prois applicable to a single piston-rod attached vided with the guide-faces 2,which move upon to said block. Furthermore, in place of the the ordinary Ways of the engine-bed, and with tapered portion 16 of the pin 12 any other 0 the wrist-pins 3 at each end, to which wristsuitable means may be used to secure the 80 pins are connected the usual connecting-rods, said pin in the cross-head, so that it wlll as willbe readily understood. The cross-head move in unison therewith, the object being is cut away centrally to provide the top wall to confine all the wear to the bearing between or plate 4 and the bottom wall or plate 5, besaid pin and the block 7.

5 tween which is the space 6. What I claim as my invention, and desire'85 7 represents a swivel-block, to which are to secure by Letters Patent, is-- secured the piston- rods 8 and 9, said rods be- 1. An engine cross-head provided with ing shown as screwed into said block; but it wrist-pins at the ends for the attachment of is obvious that any other suitable means can connecting-rods thereto, of a vertical pin sebe used to secure said rods to the block. This cured centrally in said cross-head to swing on block 7 is provided with a central opening or therewith, a block pivoted on said pin and slot which is concave on one side, as at 10, provided with means for the attachment of and straight on the opposite side, as at 11, a piston-rod thereto, and means for taking and communicates with the hole into which up the wear between the pin and said block.

the piston-rod Sis screwed. Passing through 2. An engine cross-head provided with 5 this opening or slot and through suitable wrist-pins at the ends for the attachment of openings in the walls 4 and 5 of the crossconnecting-rods thereto, of a block provided head is a swivel-pin 12, the same being prowith an opening and with means for the atvided with a head 13 at its upper end and a tachment of apiston-rod thereto, of a swivelthreaded portion 14 at its lower end for repin secured to the cross-head to swing there'- roe with and passing through the opening in said block, a wear-plate between said pin and block, and means for adjusting the same.

3. An engine cross-head provided with wrist-pins at the ends for the attachment of connecting-rods, of a block provided with an opening and with means for adjustably securing a piston-rod thereto, of a swivel-pin connected to the cross-head to swing therewith and passing through the opening in the block, and a wear-plate between the end of the adjustable piston-rod and swivel-pin.

4. An engine cross-head provided with wrist-pins at the ends for the attachment of connecting-rods thereto, of a block provided with a vertical opening and with a screwthreaded opening for receiving the end of a piston-rod, said screw-threaded opening communicating with the vertical opening, of a swivel-pin secured to the cross-head to swing therewith and passing through said vertical opening, and a wear-plate between said swivel-pin and projecting into 'the screwthreaded opening, whereby the adjustment of the piston-rod will force said plate tightly against the swivel-pin.

5. An engine cross-head provided with wrist-pins at the ends for the attachment of connecting-rods thereto, of a block provided with a vertical opening and with a longitudinal opening communicating with the vertical opening, of a piston-rod adjustably secured on said longitudinal opening, a swivel-pin secured to the cross-head to swing therewith and passing through the vertical opening, and a wear-plate in said vertical opening between the swivel-pin and projecting into the longitudinal opening against the adjustable piston-rod.

In testimony whereof I, the said FRED DEAN HOLDSWORTH, have hereunto set my hand.

FRED DEAN HOLDSWORTI-I.

\Vitnesses:

F. H. FOSTER, GEO. C. WARNER.

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