US1474299A - Device for driving stone and marble sawing blades - Google Patents

Device for driving stone and marble sawing blades Download PDF

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Publication number
US1474299A
US1474299A US530934A US53093422A US1474299A US 1474299 A US1474299 A US 1474299A US 530934 A US530934 A US 530934A US 53093422 A US53093422 A US 53093422A US 1474299 A US1474299 A US 1474299A
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frame
driving
stone
marble
stroke
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US530934A
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Stocq Edmond
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/06—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing with reciprocating saw-blades
    • B28D1/068—Components, e.g. guiding means, vibrations damping means, frames, driving means, suspension
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y10T74/18232—Crank and lever
    • Y10T74/1824—Slidable connections

Definitions

  • This invention relates to improvements in stone sawing machines, such as the saw frames holding the blades utilized for sawing stone. marble, the object of the invention being to effect improvements whereby at the end of each stroke the shock is taken over and imparted again to the return stroke, so transmitting the kinetic energy of the frame; the driving parts are freed from any shocks or other drawbacks derived from the inertia of the frame; the driving means is so constructed as to be capable of modifying its stroke and of so regulating the stroke and the speed of the machine as to balance and equalize the effort; as hereinafter described and claimed.
  • Fig. 1 shows a saw frame as seen from the drive side.
  • Fig. 2 is a sectional view through the median plan of the driving gear, assuming the frame to have stopped its motion.
  • FIG. 3 is a sectional view similar to that v of Fig. 2 but when the frame has reached the end of its stroke.
  • the frame is further connected with slides C and G at the bottom by tubular boxes containing springs Gr only one of which is shown intended for attenuating and then taking over the impact, said boxes being swivelled at H and H so as to accompany the frame all through its oscillations.
  • the box containing the springs G can be seen in section.
  • Fig. 2 shows a sectional view through the middle" of drive shoe K; in this view the frame is supposed to be at rest or at mid stroke. This shows that the swivel or crank A willtransmit the driving motion through box L which carries shoe sliding up and down along sliding track I fixed to the frame.
  • That box L has been mounted upon springs M and M its sliding motion in shoe K imparts to the frame a stroke the length of which is automatically modified in accordance with the resistance met with by the driving gear when driving the frame.
  • This arrangement permitsa starting motion of the frame at the rate of a very short stroke the length of which automatically varies owing to the actual inertia of the frame as its speed is gradually increasing.
  • the whole device is in practice constantly bathed in oil by suitable means.
  • Fig. 3 shows the frame reaching the end of its stroke.
  • the springs G and G acting 'as buffers and collectors of inertia force are pressed down as a result of the motion of the frame; they therefore stop this motion and, on being released, they impart to the frame a backward swing so causing it to take over the energy withwhich they had been pressed and tightened.
  • a similar operation takes place at the other end of the stroke.
  • boX mounted for reciprocating move ment in the 7 guide element, a shoe mounted on the wrist of the crank and also mounted for reciprocating movement in the shoe at right anglesto the plane of movement of the box in the guide element, and; yieldable means active to progressively resist movementf the shoe in the be);

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Description

Nov. 13,1923. 1,474,299
E. STOCQ DEVICE FOR DRIVING STONE AND MARBLE snwme BLADES Filed Jan. 21 1922 2 Sheets-Sheet 1 a Nov. 13, 1923. 1,474,299
E. STOCQ DEVICE FOR DRIVING STONE AND MARBLE SAWING BLADES Filed Jan.. 21, 1922 2 Sheets-Sheet 2 MW a Fatented Nov. 13, 1923.
EDMOND STOCQ, OF NEUILLY-SUR-SEINE, FRANCE.
DEVICE FOR DRIVING STONE AND MARBLE SAWING- BLADES.
Application filed January 21, 1922. Serial No. 530,934.
To all whom it may concern.
Be it known that I. EDMOND S'roc a subject of the King of Belgium, residing in Neuilly-surieine, France, have invented new and useful Improvements in Devices for Driving Stone and Marble Sawing Blades; and I do hereby declare the following to be a full. clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters or figures of reference marked therein, which form a part of this specification.
This invention relates to improvements in stone sawing machines, such as the saw frames holding the blades utilized for sawing stone. marble, the object of the invention being to effect improvements whereby at the end of each stroke the shock is taken over and imparted again to the return stroke, so transmitting the kinetic energy of the frame; the driving parts are freed from any shocks or other drawbacks derived from the inertia of the frame; the driving means is so constructed as to be capable of modifying its stroke and of so regulating the stroke and the speed of the machine as to balance and equalize the effort; as hereinafter described and claimed.
The invention has been represented in the accompanying drawings which are intended to serve as mere examples that do not restrict the invention to the one form of execution shown and described in this specification.
In these drawings Fig. 1 shows a saw frame as seen from the drive side. V
Fig. 2 is a sectional view through the median plan of the driving gear, assuming the frame to have stopped its motion.
-Fig. 3 is a sectional view similar to that v of Fig. 2 but when the frame has reached the end of its stroke.
"bushes D and D are fixed to a cross beam to which the driving gear is attached by means of the bearings B and B and consequentl follows the frame in all itsascending and descending moves.
The frame is further connected with slides C and G at the bottom by tubular boxes containing springs Gr only one of which is shown intended for attenuating and then taking over the impact, said boxes being swivelled at H and H so as to accompany the frame all through its oscillations.
The box containing the springs G can be seen in section.
Fig. 2 shows a sectional view through the middle" of drive shoe K; in this view the frame is supposed to be at rest or at mid stroke. This shows that the swivel or crank A willtransmit the driving motion through box L which carries shoe sliding up and down along sliding track I fixed to the frame.
That box L has been mounted upon springs M and M its sliding motion in shoe K imparts to the frame a stroke the length of which is automatically modified in accordance with the resistance met with by the driving gear when driving the frame. This arrangement permitsa starting motion of the frame at the rate of a very short stroke the length of which automatically varies owing to the actual inertia of the frame as its speed is gradually increasing. The whole device is in practice constantly bathed in oil by suitable means.
Fig. 3 shows the frame reaching the end of its stroke. The springs G and G acting 'as buffers and collectors of inertia force (only one of them being shown in the figure) are pressed down as a result of the motion of the frame; they therefore stop this motion and, on being released, they impart to the frame a backward swing so causing it to take over the energy withwhich they had been pressed and tightened. A similar operation takes place at the other end of the stroke.
The above mentioned yielding drive acts.
to the effect of equalizing the scillations of the frame and making up for. the loss of energy due to the friction of the mechanisms and of the saws when these latter are cutting the material in question (marble,stone, etc. i
It should be understood that the types herein set forth and described as regards both drive and buffer arrangements are merely indicated by way of examples free from any restriction, eflect so that any pneumatic or other bufier arrangementlfor the purpose of deadening the shocks, as also llO any other method; for so driving the machine as to secure. the same result can be em-, ployed without departing from the. principle of this invention.
The advantages of the system forming the subject. matter of this invention are as follows:
1. Considerable saving on motive power, as the driving gear no longer stops the frame reaching the endof its stroke in order to impart to it the sudden backward motion which was necessary, so that the consumption of power is confined to such amount as is necessary for overcoming the friction of the saw blades on the stone as well as the friction taking place in the various mechanisms and for overcoming the inertia of all the moving members at the time of reversal.
'2. Substantial reduction of the sizes of the driving parts, as these are no longer subject to the inertia strain exerted by the frame when reaching the end of its stroke and have merely to correspond to the amount of power which must be transmitted and whicln as stated in the preceding paragrapln has also been greatly reduced.
3. Possibility of constructing in a practical manner sawing frames provided with a. driving gear to be directly. placed upon the columns or the framework of. the machin'es So securing the advantage of considerably reducing the amount of room neces- Y element attached to the second frame, a
boX mounted for reciprocating move ment in the 7 guide element, a shoe mounted on the wrist of the crank and also mounted for reciprocating movement in the shoe at right anglesto the plane of movement of the box in the guide element, and; yieldable means active to progressively resist movementf the shoe in the be); in
either direction' In witness whereof I aflix my signature.
EDMOND STOCQ.
Witnesses A. DE EL E,
US530934A 1922-01-21 1922-01-21 Device for driving stone and marble sawing blades Expired - Lifetime US1474299A (en)

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US530934A US1474299A (en) 1922-01-21 1922-01-21 Device for driving stone and marble sawing blades

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US530934A US1474299A (en) 1922-01-21 1922-01-21 Device for driving stone and marble sawing blades

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998047680A1 (en) * 1997-04-24 1998-10-29 Luigi Pedrini Stiffened oscillating frame saw for cutting stone blocks

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998047680A1 (en) * 1997-04-24 1998-10-29 Luigi Pedrini Stiffened oscillating frame saw for cutting stone blocks

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