US442504A

US442504A - baker

Info

Publication number: US442504A
Authority: US
Publication date: 1890-12-09
Anticipated expiration: 1907-12-09

Description

(No Model.) 3.311eets-Sheet 1.

W. B. BAKER & H. E. PRIDMORE HARVESTER FRAME.

No. 442,504. Patented Dec. 9, 1890.

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W. R. BAKER 86-11. E. PRIDMORE. HARVESTER FRAME.

No. 442,504. Patented Dec. 9, 1890.

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W. R. BAKER & H. E. PRIDMORE.

HARVESTER FRAME.

No. 442,504. Patented Dec. 9, 1890.

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NiTnn STATES PATENT OFFICE.

\YILLIAM It. BAKER AND HENRY .lf- PRIDMORE, OF CHICAGO, ILLINOIS, ASSIGNORS TO THE MCCORMICK IIARV ISTING MACHINE COMPANY, OF

SAME PLACE.

HARVESTER-FRAM E.

SPECIFICATION forming part of Letters Patent No. 442,504, dated December 9, 1890.

Application filed July 10, 1886, Serial No. 207,666. (No model.) Patented in England June 8, 1886,1l'0. 7,693.

To all whom it nmy concern:

Be it known that we, WILLIAM R. BAKER and HENRY E. PRIDMORE, citizens of the United States of America, both residing at Ohicago, in the county of Cool; and State of Illinois, have jointly invented certain new and useful Improvements in Harvester-Frames, (for which Letters Patent of the Kingdom of Great Britain, No. 7,693, were granted with our knowledge and consent on the 8th day of June, 1886,) of which the following is a specification.

The base-frame of harvesters, especially those which have an elevator and support antomatic binding apparatus, carries an enormous weight, and is subject to great torsional strain, which tend to twist it and disorganize the mechanism mounted upon it. lleretofore this frame has generally made been of wood; but in one or two instances, perhaps, that portion immediately beneath the binding apparatus and constituting the wheel-frame has been of heavy metal castings, and in at least one instance the base-frame has been made of gaspipe united by T-joints and elbow-couplings. Tubular metal bars round in cross-section have been employed upon the binder attachment on account of their strength and lightness, to afford means for the adjustable attachment to the elevator-frame, and for this purpose have been found eminently suitable, their cylindrical shape offering no objection, but rather facilitating such adjustable attachment; but although we are well aware that such application has been heretofore proposed we have found that this very cylindrical outline renders them unsuitable for use in a base-frame to which other and heavier framework is to be applied, and upon which tremendous torsional strain will come, since the fastening-bolts will receive no assistance and will be in nowise braced by this shape, but must themselves alone sustain the entire strain.

In the present invention we propose to replace the base-sills or base-sills and girts of the harvester-frame by sills and girts of tubular metal, square or rectangular, or practically so, in cross-section, which will afford the 'same facility for attachment between 'ihemfl selves and other parts of the frame-work and the same or increased strength of joint at such points of attachment as do the square wooden beams and timbers heretofore used for the purpose, and will therefore involve no further reorganization of the superposed parts. Since the greatest weight and the greatest strain are in the immediate vicinity of the main wheel,which is located under the elevator, it will ordinarily be found snfiicient to employ these tubular bars of rectangular cross-section in the base-frame of the elevator alone, this also including the wheel-frame, leaving the front and rear sills of the plat form-frame of wood, as heretofore, overlapping and bolted to the front and rear sills of the elevator-frame,and the invention will be described as thus constructed, without, however, intending to limit ourselves in anywise thereby.

In the drawings, Figure 1 is a top plan view of a harvester-frame clnbod yin gour invention, the platform end being broken away and the A-fralne of the elevator removed; Fig. 2, a rear elevation; Fig. 3, a front elevation embracing the parts and mechanism shown in the first; Fig. 4, a side elevation, as indicated by arrows and correspondingly-nnmbered seetion-line in the first, second, and third; Fig. 5, an enlarged detail view of the joint between the inner girt at the foot of the elevator, the front elevator-sill, and the angle-iron fingerbar, showing the chair and independent spacing-block at that point; Fig. 6, an enlarged detail view of the joint between the next outer girt, or that which constitutes the inner lateral bar of the wheel-frame, the front elevatorsill, and the angle-iron finger-bar. showing in.

perspective the combined chair and spacingblock at that point; and Fig. 7, an enlarged perspective view of one of the chairs interposed between girts and sills at their points of junction.

A is the rear sill of the platform-frame, and 13 the front sill, both of which may be formed of wood in the usual way, so that the fingerbar and wooden guide-bars of the apron may be readily and cheaply applied thereto.

C is the finger-bar of angle-iron, with its horizontal ledge uppermost and somewhat below the upper edge of the front sill and eX- tending therealong to the wheel-frame. Overlapping the rear platform-sill at its outer or stubble end and on its upper side, and secured thereto by bolts d, is the rear sill D of the elevator-frame, formed as a hollow bar of rolled or forged iron rectangular in cross-section. The front platform-sill and fi nger-bar attached thereto are likewise overlapped by a tubular bar E, of rolled or forged iron, also rectangular in cross-section, which extends therefrom a sufficient distance to constitute the front sill of the elevator-frame. The rear elevator-sill is in line with the rear platform-sill; but it is preferred that the front elevator-sill shall flare somewhat from the platform-sill and finget-bar, to which latter it is attached by bolts 6, as presently explained, to give more space for the main wheel and binding attachment.

A spacing-block E is interposed between the front elevator-sill and the angle-iron finger-bar at the point where they overlap and are bolted together adjacent to the innermost girt, and a second spacing-block E is also employed to connect them and preserve their vertical distance apart at the point where the next outer girt, or that one constituting the inner lateral bar of the wheel-frame, intersects them, thus providing a space for the play of the sway-bar where such bar is located beneath the A-frame of the elevator. It follows from the oblique arrangement of thefront elevator-sill that the joints between the said sill and finger-bar, and also between them and the girts, will differ more or less from the others, as will be directly explained. The girts or cross-bars of this frame may, with some beneficial effect, he of angle-iron or other metal bar;. but herein are also rectangular metal tubes or square pipes, and although they may be bolted directly to the front and rear elevator-sills, it is deemed advisable to interpose metal chairs F,Whicl1,-

for lightness, for strength, and to give a certain elasticity to the connection, are made as rectangular frames hollowed out in the center, and having upon their upper faces seats f to receive the cross-girts, while other seats f at right angles to the foregoing, for the rear sill' and at a suitable angle for the front sill, saddle and closely embrace said sills. For

the innermost cross-girt G, which extends from foot to foot of the inner elevator-struts beneath the A-frame, chairs are placed in position adjacent to the extreme inner end of the elevator-sills and above an offsetting extension of the seat in the front spacingblock. Then a securing-boltis passed through said girt, through the central space of the chair, and through the rear sill, a single bolt clamping all three pieces together. At the front a single bolt passes through the girt, through the chair, through the inner end of the front metal sill, and through the offset from the spacing-block, thus completing the fastening at that point. The two girts H H, constituting the lateral bars of the wheelframe and that have seen red to them the rackstandards 72, 7L',in which the axle is mounted, are likewise attached to the front and rear elevator-sills by bolts passing through the girts, through the chairs, and through the sills, except at the forward end of the inside girt of the pair where the bolt passes through the girt, the spacing-block, and the upper flange of the finger-bar, and a fourth girt I at the extreme stubble side of the machine is also secured by a bolt passing through each end of the girt and the chair at that end and through the sills.

The spacing-blocks for the front sills may be either of wood, as heretofore used, or of metal; but it is much preferred to make them as metal brackets which should be hollow or of skeleton outline to gain lightness so far as consistent with the requisite strength. The inner spacing block or bracket, or that adjacent to the front inside elevator-strut, is formed with a foot *6, which rests upon the upper or horizontal flange of the angle-iron finger-bar, and it has a snug t" to come against the rear of the bar, and may have a second snug to embrace the front edge thereof. It also has a seat i to receive the end of the front elevator-sill, and since this sill is in the present structure oblique to the finger-bar and it is not found convenient to arrange the innermost girt precisely above the intersection of the finger-bar and sill, the seat is prolonged by means of an offset '6 at the stubble side to come directly beneath the front chair of said girt, and a bolt is passed through this ofiset or prolongation, through the front sill, chair, and girt, to. unite them, as already explained. A second bolt passes through the end of the front sill at the side of said chair, through the spacing-block and the horizontal flange of the finger-bar atthe intersecting points, thus completing the joint.

The spacing-block for the joint between the front'platform-sill or finger-bar and the inner girt H of the wheel-frame is best made as an integral part of the chair at that point,

when, as here, the obliquity of the front elevator-sill causes such relation of parts as to permit it. It is then formed with a foot 1', to plant upon the horizontal flange of the fingerbar, a snug taking over the front edge of said flange, and a forwardly-projectingoifset t or continuation of the girt-seat t which is undercut to afford a seat 1' for the oblique sill,this latter running in front of the body of the block. bolts, one of which passes through the girt, the chair, the block or spacer behind the oblique sill, and the upper flange of the linger-bar, and the other through the girt, the offset, and the oblique sill. These bolts also serve to fasten the clip I for the tonguepivot to the upper face of the girt.

In order to support the front outer elevator-strut K, the chair, which receives the forward end of the outer bar of the wheelframe, will be formed with an offsetting seat The parts are united by two ICC.

- usual bearing bracket or bridge L, connecting the two outside girts adjacent to the rear sill, and preferably rests upon a seat formed upon said bridge alongside of the flange, but may of course rest upon any other suitable contiguous part of the frame.

The rack-standards or bridle-brackets for the main axle,holted, as before stated, to the lateral bars or girts of the WheeLframe, have each one offsetting car at at or near the top, (best arranged on the side away from the wheel,) through which ears pass truss-rods M, fixed at their rear ends to said girts above or immediately adjacent to the rear sill, and at their front ends threaded and passing through lugs m from the chairs at the junction of these girts with the oblique sill, beyond which lugs they receive nuts miwhereby they may be tightened to serve their double purpose of bracing the rack-standards and trussing the main frame.

Ve claim as our invention- 1. The combination, to form a harvester base-frame, of tubular metal rear and front sills rectangular in cross-section, and metal girts uniting said rear and front sills.

2. The combination, to form a harvester base-frame, of metal rear and front sills and metal girts uniting said rear and front sills, both sills and girts being tubular and rectangular in cross-section.

3. The combination substantially as here inbefore set forth,to form a harvester-frame, of metal rear and front sills tubular and rectangular in cross-section, metal girts extending from the rear sill to the front sill, chairs interposed between the girts and the sills and having seats for their reception, and bolts passing through the sills, chairs, and girts.

at. The combination, substantially as hereinbefore set forth, of the metal rear and front sills and metal girts tubular and rectangular in cross-section, the skeleton chairs having seats to embrace and receive the sills and girts, and the bolts passing through the girts, chairs, and sills.

5. The combination, substantially as hereinbefore set forth, of the rear and front platform-sills, the front and rear clevatonsills formed of tubular metal, rectangular in crosssection, overlapping the platform-sills and secured thereto, and the tubular metal girts, also rectangular in cross-section, uniting said metal front and rear sills, and also at the inner side uniting the platform'sills.

6. The combination, substantially as hereinbefore set forth, of the platform-sills, the angle-iron finger-bar, the metallic rear elevator-sill overlapping and in line with the rear platform-sill, the metallic front elevatorsill flaring outwardly from the front platform-sill and finger-bar, the metallic inner cross-girt secured at its ends to said platform and elevator sills and to the finger-bar, and the adjacent cross-girt secured at its front end to the oblique front sill and fingerbar and at its rear end to the rear elevatorsill, said elevator-sills and girts being tubular and rectangular in cross-section.

7. The combination, substantially as hereinbefore set forth, of the wooden front and rear platform-sills, the angle-iron finger-bar secured to said. front sill, the tubular front elevator-sill formed of metal and rectangular in cross-section, overlapping the front platform-sill and finger-bar, the tubular rear elevator-sill likewise formed and overlapping the rear platform-sill, the inner cross-girt secured to the overlapping front sill by bolts passing through said girt, the metallic elevator-sill, and the horizontal flange of the finger-bar and to the rear sills bya bolt passing through the girt and both sills, and the adjacent girt likewise formed and secured at its front end by bolts passing through girt, elevator-sill, and finger-bar, and at i ts rear by a bolt passing through girt and sill.

8. The combination, substantially'as hereinbefore set forth, of the front and rear platform-sills, the angle-iron finger-bar secured to said front sill, the forwardly-flaring tubular front elevator-sill formed of metal rectangular in cross-section and overlapping the front platform-sill and the finger-bar at its inner end, the rear metallic elevator-sill also formed as a rectangular tube overlapping the rear platform-sill and in line therewith, the crossgirts likewise formed, and the bolts uniting the forward end of the inner girt to the front elevator-sill and finger-bar, its rear end to the two rear sills, the forward end of the adjacent girt to said front elevator-sill and finger-bar and its rear end to the rear elevator-sill, and the outer two girts to the two elevator-sills.

9. The combination of the oblique front elevator-sill, the cross-girt G, the interposed chair, the finger-bar, the spacing'block with its offsetting seat for the elevator-sill, interposed between the latter and the finger-bar, a bolt uniting said girt, elevator-sill, chair, and block, and a bolt uniting said elevatorsill, block, and linger-bar.

10. The inside front spacing-block formed with foot 2' and snug i, to plant upon the angle-iron fin ger-bar, and a seat for the oblique elevator-sill offsetting in the direction of the length of the sill, for the purpose described.

11. The combination of the oblique front elevator-sill, the front platform-sill, and angle-iron finger-bar, the cross-girt II, a chair' having seats for said girt and elevator-sill and extended into a spacing-block, with foot planted upon the linger-bar, a bolt uniting the girt, chair, and elevator-sill, and a bolt uniting girt, block, and finger-bar.

12. The chair at the junction of the oblique elevator-sill and girt ll, formed integral with a spacing-block and having a seat for the fraine-girt, the foot 2', to plant upon the finger-bar, and the extension 2' with its seat for the oblique elevator-sill.

13. The chair at the junction of the oblique elevator-sill and girt I-I, formed integral with thespacing-block and having seats for the frame-girt and elevator-sill, and a foot to plant upon the finger-bar, arranged as described, and an offsetting lug for the reception of a trnss-rod.

14. The combination of the oblique front elevator-sill and angle iron finger-bar, the cross-girt H, the spacing-block at their intersection, havingafootplanted upon said'fingerbar, form ed and also integral withza chair, and having seats forsaidgirt and elevator-sill, a bolt uniting. the girt, chair, and elevator-sill, a bolt uniting girt, block, and finger-bar, and the-clipfor'the tongue-pivot clamped to the upper face of the girt by these'two bolts.

15.. The combination, with the front and rear elevator-sills, thegirts forming the lat-- 'eral bars of the wheel-frame, the interposed chairs, and the rack-standards bolted to the girts, of the truss-rods passing through ears at or near the top of the standards and fixed at one end to the corresponding end of said girtsand at the other end passing through lugs projecting from the chairs at that end of the girts and receiving nuts beyond.

16. The combination of the frontelevatorsill, the cross-girt'H', the interposed chairhaving an offsetting seat 7c and-flange 1c ,and the frontlontside elet ator-strut stepped in said seat and bolted to the flange.

17. The combination of the rear elevatorsill, the outside cross-girt, the adjacent girl:

or lateral barof the Wheel-frame, the bearing