US1305834A - Stone cutting and surfacing machine - Google Patents

Description

R. G. RAND.

STONE CUTTiNG AND SURFACING MACHINE.

APPLICATION FILED JULY 1. 1916.

1 ,305,8 3%. Patent-ed J 11116 3, 1919.

3 SHEETS -SHEET fiicizazzi 6f gwuwwboz R. G. RAND.

STONE GUT'T ING AND SURFACING MACHINE.

APPLICATION FILED JULY 7. Isms.

1 ,3Q5,83%, Patented June 3, 1919.

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R. 6. HAND.

STONE CUTTING AND SURFAClNG MACHINE.

APPLICAHON min JULY I, 1916.

Patented June 3, 1919.

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RICHARD G. RAND, OF WINSTON SALEM, NORTH CAROLINA.

STONE CUTTING AND SURFAGIN G MACHINE.

. Application filed July 7, 1916.

1 b all whom it may concern:

Be it known that I, RICHARD Gr. RAND, a citizen of the United States, and resident of Winston-Salem, in the county of Forsyth and State of North Carolina, have invented certain new and useful Improvements in Stone Cutting and Surfacing Machines, of which the following is a specification. y

The present invention relates to new and useful improvements in boring, drilling, stone-cutting, surfacing and other machines, the primary object of my invention being to provide an improved machine of the above character adapted to be known as a header surfacer, for the purpose of surfacing the perpendicular sides of the stone as distinguished from the horizontal surfaces, the invention also comprehending an improved type of supporting and carrying frame for a pneumatic drill, hammer, stone surfacing tool or the like.

Another object of my invention is to provide a support of the class described having means associated therewith permitting vertical, horizontal, and lateral adjustments, means also being provided for accommodating curved surfaces.

A further object of my invention is to provide a machine of the class described which is simple in construction, strong and durable, and efiective in operation, the parts at the same time being light and quickly and easily adjusted.

A still further object of my invention is to provide a machine of the class described, which while being capable of a wide range of adjustment will maintain its equilibrium when a load is applied more on one side than on the opposite side, a balancing weight facilitating and permitting this function.

Other objects and advantages to be derived from the use of my improved stone cutting and surfacing machine will appear from the following detail description and the claims, taken with an inspection of the accompanying drawings, in which:

Figure 1 is an end elevational View of a machine embodying the improvements of my invention;

I Fig. 2 is a top plan of the same, enlarged, the supporting standard being in section and the top portion removed;

v Fig.3 is an enlarged fragmental transversesectional view of the tool carriage and track therefor;

Fig. 41 is an enlarged tragmental perspec- Specification of Letters Patent.

Patented June 3, 1919.

Serial No. 107,962.

tive view of a portion of the standard and one of the units of'the carrying frame;

Fig. is a similar view of the other unit of the carrying frame, the tool carriage track being in section and separated from said unit.

Referring more particularly to the drawings, wherein similar characters of reference designate like and corresponding parts throughout the various views, B designates, in its entirety, the base, said base being composed of side channel beams 1 and 2 and end channel beams 3 and 1, said side and end channel beams having their free end portions connected by triangular plates 5. Longitudinal beams 6 and 7 are provided arranged in parallel relation and having their free ends connected by means of brackets 8 to the end beams 3 and 4. Continuous brace members 9 extend between the side beams l and 2 and the intermediate beams 6 and 7. A base plate 10, preferably rectangular in configuration is carried by the intermediate beams 6 and 7, said plate being riveted as at 11 or otherwise secured to said beam. A bearing plate 12 is mounted centrally of theplate and is provided with a plurality of relatively short arcuate slots 13 through -which project retainer bolts 14 carried by the base plate 10. A plurality of wheels 14 having the usual flanges are mounted on the base B, said wheels being mounted on railway rails15 for transporting the device when in use.

The supporting standard of my invention includes an I-beam S, said I-beam being mounted perpendicularly on the bearing plate 12 and firmly connected thereto by means of right-angular bracket plates 16.

The wing portions of the I-beam S are provided along their marginal edges with wearing or guiding plates 17 said plates being ri ht-angular in cross-section and riveted or otherwise secured as at 18 to said I-beam.

On the upper free end of the standard S I provide a transversely extending bracket member or pulley frame 19 composed of angle-irons or the like connected to the standard by means of right-angular bracket plates 20. The free ends of the bracket 19 carry pulley wheels 21 for a purpose which will hereinafter appear.

I provide a carrying frame for an automatic tool of any type, said frame being designated Fin itsentirety and being composed of two units and f, The u it f i composed of vertical end angle- irons 23 and 24 arranged in parallel relation and connected by transversely extending straps 25 and 26. The angle-irons 23 and the straps 25 form one end of the unit f and the angleirons 24 and the straps 26- form the other end thereof. Said ends are connected by two pairs of side angle- irons 27 and 28. All of the structure is preferably riveted, but, of course, I do not limit myself tothis arrangement; The unit f is adapted to embrace the standard S, a plurality .of sets of anti-friction rollers 29 and 30 being carried by the angle-irons 2 3 and 24, said rollers being mounted on trunnions extending from said angle-irons and arranged at relative right angles. The present form of my invention includes 16 of the rollers 29 and 30 on the unit f, I having found that with this number of rollers the best results may be had. The front ends of the angle- irons 27 and 28 are connected by vertically extending angleirons 31 between which angle-irons extends a strap v32 carrying a bearing plate 33 for a purpose which will hereinafter appear.

The unit f is preferably composed of .top and bottom parallel arranged sets of angleirons 34 and 35 arranged oppositely relatively to the sets of angle- irons 27 and 28 and being adapted to fit between said angleirons 27 and 28. The rear ends of the angleirjons 34 and '35 are Connected by horizontally and vertically extending strap members 36, and the forward .ends of the sets of angle- irons 34 and 35 are connected by vertically extending straps 37 and a transversely extending strap 38, thereby forming. a rigid rectangular structure adapted for sliding movement relative the unit The angle-irons 35 are extended to provide arms 39, the free ends .of which are bifurcated .to form recesses 40 for a purpose which will hereinafter appear. A pair of diagonal braces 41 extend from the upper front cor ner of the unit 7 to the arms 39, said braces being connected as at 42 to said arms. A transverse strap 43 carrying a plate 44 is mounted on the diagonal braces 41, said plate 44 having a threaded aperture,,tln-ough which a screw 45 passes, the inner .end of the screw being arranged for connection with but free rotation in the bearing plate 33. A manipulating crank 46 is mounted on theouter free end of the screw 45. It will be seen that when the unit f is mounted on the unit 7 the units may be relatively moved by rotating the screw 45. In this manner sliding adjustment of the unit 7" may be afforded.

An I-beam 47 is carried by the free ends of the arms 39, the baseportion .48 of said I-beam being receivable in the recesses 40 as best shown in Fig.3. The I-beam 47 is arranged relatively at right-angles to the carrying, framev F and is provided \witha' plurality of guiding or bearing track members 49 similar to the track members 17 hereinbefore referred to. Diagonal braces 50 extend from the free end portions of the I- beam 47 to the bottom angle-iron 35 of the unit f, said braces tending toward a rigid ity of structure and thus preventing distortion of the I-beam under strain.

Referring specifically to Fig. 3 I provide a tool carriage designated C and being formed from a channel-iron 51, a plate 52 and a second channel iron 53. iron 53 is relatively smaller or narrower than the channel iron 51, this being necessarily so since the .channel iron 53 must clear the arms 39. The plate 52 is connected with the channel iron-s 51 and 53 by means of rivets 54 or the like. The tool carriage C is adapted for longitudinal movement along the I-beam 47, weight receiving anti-friction rollers 55 being provided arranged on shafts 56 carried the .channel irons 51 and 53 and guiding anti-friction rollers 57 and 58 also being provided, said rollers 57 and 58 having flanges 59 and 60 on the lower free ends thereof for engagement beneath the track members-49, whereby to prevent dislodgment of the carriage. The rollers 57 and 58 are mounted on shafts 61 and 62 ex tending between the flanges of the angleirons 51 and 53 and the plate 52. a

The tool frame is designated 63 and carries a .tQol 64, which may be a stone surfacing tool, a drill, a planing tool, or in fact any type .of pneumatic boring,'drilling or surfacing machine tool. In the present instance a pneumatic tool has been shown the power tube being designated 65.

In order to balance the frame F in its vertical movement on' the standard S I provide a cable 66 trained .over the pulleys 21, one free end of said cable being connected by a link 67 to the unit 7 and the other free end of said cable having a weight 68 thereon.

In use it will be noted that by vertically moving the frame F, any desired height, within certain limits, may be attained. By adjusting the unit relative the unit 7 a transverse adjustment of the machine may be had. By moving the tool carriage on the I-beam 47 any ,point, within certain limits may be reached by the tool 64. It will thus beseenthat a wider-range of adjustmentof the parts of .my invention may be had without unnecessary labor on the part ,of the operator. It is, of course, to be understood that while I have described andshown my invention as employed as a stone surfacing The channelmachine certain chcnges may be made, such as ,substituting a drill {for the surfacing .tool or by increasing the size of the whole .machine .and .using the same as acrane, withoutdeparting from the spirit and scope of the invention. Therefore, it will be seen that l have provided .a machine which, by

slight modification may be adapted for use in various capacities. The structure is simple, most of the parts being constructed from stock material Which may be obtained Without difficulty at iron foundries and the like.

From the above description taken in con? nection With the accompanying drawings,

it is thought that a clear and comprehensive tion, whatl claim as new and desire to secure by Letters Patent, is

1. A stone cutting and surfacing machine comprising a base, a vertical standard supported upon the base for angular adjustment rotatab-ly, a frame engaged With the standard for vertical movement, means for counterbalancing the frame, a frame engaged with the first named frame and slid able horizontally, means connecting said frames for moving the second frame relative to the first frame, said second named frame being mounted exteriorly of the first named frame and provided With arm extensions, a horizontal guide Way carried by said arm extensions at right angles to said slidable frame and standard and a horizontal overhanging tool carriage support movably mounted on said guide Way for lateral adjustment thereon.

2. A stone cutting and surfacing machine comprising a base, a vertical standard supported upon the base for angular adjustment rotatably, a frame engaged with the standard for vertical movement, means for counterbalancing. the frame, a frame engaged with the first named frame and slidable horizontally, means connecting said frames for moving the second frame relative to the first frame. said second named frame being mounted exteriorly of the first named frame and provided With arm extensions, a horizontal guide member fitted in said extensions and comprlsmg an I-beam arranged horizontally at right angles to said movable frame and standard, said shifting means for the second frame serving to hold the same in fixed relation to the standard and first named frame and to vary the degree of pro jection thereof, and a tool carriage having a series of anti-friction rollers engaging the flanges of the rail not secured to the arm extensions, certain of said rollers having flanges serving to retain said carriage from displacement.

3. A stone cutting and surfacing machine comprising a base, a vertical standard supported-upon the base, securing means for the standard, a frame engaged With the standard for vertical movement, means for counterbalancing the frame,5a frame engaged With the first named frame and slidable horizontally, means connecting said frames-for moving the second frame relative to the first frame, said second named frame being mounted exteriorly of the first named frame and provided with slotted extensions, a horizontal guide rail having a flange fitted in said slots and comprising an I-beam ar ranged at right angles to said movable frame, said shifting means for the second frame serving to hold the same in fixed relation to the'standard and first named frame, a tool carriage having a series of anti-friction rollers engaging the remaining flanges of the rail not secured to the said extensions,

said rollers having flanges serving. to retain said carriage from displacement, said carriage comprisingspaced vertical plates and a top plate co1'1necting the'same, one of said vertical plates overlying said extensions and movable across the same, and a horizontal support for a horizontally positioned tool, projecting from the carriage.

4:. A stone cutting and surfacing machine particularly adapted' for surfacing the perpendicular sides ofl'a stone, comprising a rectangular base frame, sup-porting Wheels therefor, tracks along Which said Wheels operate, a plate secured centrally to' said base, a circular plate having concentric slots therein, means engaging the base plateand slots to hold the circular plate in adjusted position on the base plate and adapted to permit rotatable adjustment of the circular plate, a standard fixed to said circular-plate, said standard comprising an I-beam, a frame movable vertically along the I-beam and fitting the same snugly, roller bearings carried by said frame to engage the flanges of the I-beam, projecting side portions upon said frame, a second frame slidablc between said side portions horizontally, means positively connecting said frames and adapted to be rotated for shifting the second frame with respect to the first frame, a guide member carried by the second frame and a tool carrying member a-rranged upon the guide member.

5, A stone cutting and surfacingmachine particularly adapted for surfacing the perpendicular sides of a stone, comprising a rectangular base frame, supporting Wheels therefor, tracks along Which said Wheels op erate, a plate secured centrally to said base, a circular plate, means to hold the latter in adjusted position turnably on the base plate, a standard fixed to said circular plate, said standard comprising an I-beam, a frame movable vertically along the I-beam and fitting the same snugly, roller bearings carried by said frame to engage the flanges of the I-beam, projecting side portions upon said frame, a second frame slidable between said side portions horizontally, a feed screw swiveled to the frame engaging the I-beam, athreaded sleeve carried by the movable frame also engaged by said screw whereby the latter frame will be shifted upon rotation of the screw for adjustment toward and away from the work, and a tool carriage movable at right angles to the movement of said frame and supported in overhanging relation upon the latter, said carriage having a horizontal support for a pneumatic tool hammer or the like. I

6. A stone cutting and surfacing machine particularly adapted for surfacing the perpendicularsides of a stone, comprising a rectan'gular base frame, supporting wheels therefor, tracks along'which said wheels operate, a plate secured centrally to saidbas'e, a circular plate, means to hold the latter in adjusted position of turning movement thereon, a standard fixed to said circular plate, said standard comprising an I-beam, a frame movable vertically along the I-beam and fitting the same snugly, roller bearings carried by said frame to engage the flanges of the I-beam, projecting side portions upon said frame,a second frame slidabl'e between said side portions horizontally, a feed screw swiveled to the frame engaging the I beam, a threaded sleeve carried by the movable frame also engaged by said screw whereby the latter frame will be shifted upon rota-' tion of the screw for adjustment toward and away from the work, a tool carriage movable at right angles to the movement of said frame and supported in overhanging relation'upon the latter, said carriage having a horizontal support for a pneumatic tool hammer or the like, a cross arm upon the upper end of the standard, pulleys carried thereby, a cable fixed to said movable frame and trained over said pulleys, and a counterweight carried by'the free end of the cable whereby to balance said first named frame in adjusted position vertically of the standard.

7. Ina machine of the class described, a wheeled base, a vertical standard comprising an I-beam having a bottom plate with arouate slots therethrough concentric to the axis of the plate, means for adjustably connecting the plate to the base and clamping the same in fixed position, said eye-beam having angular corner portions,a rectangular open frame, bearing rollers journaled in the same Copies of this patent may be obtained for at right angles to engage said angular corner portions for vertical movement of the frame on the standard, said frame having vertical braces at one end and a cross brace connecting the same, and vertically spaced pairs of horizontal runners on each side thereof, a second rectangular open frame having side portions fitted between and horizontally movable on said runners, manually operable 'means connecting the second frame to the cross'brace for shifting the second frame with respect to the first frame, and a horizontal guide carried by the second frame adapted to support a horizontally movable tool thereon.

8. In a machine of the class described, a wheeled base, a vertical standard comprising an I-beam having a bottom plate with arcuate slots therethrough concentric to the axis of the plate, means for adjustably connecting the plate to the base and clamping the same in fixed position, said I-beam'having'angular corner portions, a rectangular open frame, bearing rollersjournaledin the same at right angles to engage said angular corner portions for vertical movement of the frame on the standard, said framehaving vertical braces at one end and a cross brace connecting the same, and vertically spaced pairs of horizontal runners on each side thereof, a second rectangular open frame having side portions fitted between and horizontally movable on said runners, said second frame having extensions in the direction of movement'thereof, braces between said extensions and the frame, a cross bracecon necting said last named braces, connecting means between said cross braces of the respective frames for shifting the second frame with respect to the first frame, an I- beam clamped to the free extremities of said armsat right angles thereto, angular corner pieces for the flanges of said I-beam not secured to the arms, an inverted L-shaped carriage engaging said angular corner pieces last named, anti-friction rollers carried by said carriage and engaging said corner pieces, certain of said rollers having retaining flanges to prevent displacement of the carriage, a tool support projecting from the carriage and balancing means for the weight of said guide-beam and carriage.

In testimony whereof, I affix my signature hereto.

five cents each, by addressing the Commissioner of Patents,- Washington, D. G.

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