US722385A - Pump mechanism. - Google Patents

Pump mechanism. Download PDF

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Publication number
US722385A
US722385A US9276702A US1902092767A US722385A US 722385 A US722385 A US 722385A US 9276702 A US9276702 A US 9276702A US 1902092767 A US1902092767 A US 1902092767A US 722385 A US722385 A US 722385A
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Prior art keywords
plunger
cam
pump mechanism
slot
gear
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Expired - Lifetime
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US9276702A
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John H Ruch
Lewis A Baker
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Individual
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Priority to US9276702A priority Critical patent/US722385A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/08—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion
    • F16H25/14—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion with reciprocation perpendicular to the axis of rotation
    • 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
    • Y10T74/18296—Cam and slide

Definitions

  • JOHN H RUCH AND LEWIS A. BAKER, OF 'ELGIN, ILLINOIS.
  • the first of the objects of this invention is the provision of an improved form of driving mechanism for actuating pumps which are to be driven by power belts or shaft-ing, which said improvement will be simple in construction and therefore cheap to construct, while at the same time efficient and durable in operation.
  • FIG. 1 is an elevation of a pump embodying our improvements
  • Fig. 2 a view with parts in section taken on the line 20f Fig. 3
  • Fig. 3 a sectional view, on a larger scale, taken on the line 3 of Fig. 1
  • Fig. 4 a view of a detail, showing the driving-gear with its cam.
  • a suitable standard 5 to which is secured a pump 6, which may be of any preferred construction and which has the usual stuffing-box 7 at the upper end, through which projects the plunger 8, which in the construction employed in connection with our improvement is extended upwardly and provided with a guide-slot 9, arranged to engage the shaft 10, as shown, and has secured to it by a pin 11 a roller 12, which is adapted to engage with a cam 13, formed in a gear let, preferably upon the inside face thereof, so that the plunger extension, which contains the slot 9, may operate between the gear and the standard 5.
  • the gear let is arranged to be driven by a pinion 15, carried on a driving-shaft 16, which receives its motion from a suitable belt-pulley 17 or other mechanism of like kind.
  • the cam is preferably arranged in the form of a groove, as shown, and constructed to receive the cam-stud, comprised of the pin 11 and roller 12, with a small amount of free movementthat is, just sufficient to permit a rotation of the roller 12 within the camgroove with a minimum amount of friction.
  • the engagement between the slot 9 and the shaft 10 operates to drive the plunger 8, so that it will have a reciprocating movement in a straight or rectilinear path and without any side strain upon the cam or other portions of the mechanism, the reciprocating movement being imparted to the plunger by means of the rotation of the gear 14 with its cam, as described.
  • a pump mechanism the combination of a cylinder, a supporting-standard, a plunger operating in the cylinder and having a slotted extension on the plunger-rod, bearing a cam-stud, a shaft in the standard passing through the slot of said plunger extension, and carrying on the outside thereof a gearwheel provided with an eccentric cam-slot engaging the cam-stud on the plunger-rod to reciprocate the same.
  • a pump mechanism the combination with a pump-cylinder and a supporting-standard, of a plunger-rod having an integral extension in direct line with the cylinder provided with a slot and a cam-stud, an arbor fixed in the standard passing through the slot of the plunger-rod extension and carrying outside of said rod a gear-wheel provided with a cam-slot engaging the cam-stud of the plunger-rod, and means for driving said gearwheel to reciprocate the plungerrod, said driving means acting from a rigid support outside the line of thrust of the plunger.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Mechanical Engineering (AREA)

Description

PATENTBD MAR. 10, 1903.. J. H. RUGH & L. A. BAKER.
PUMP MECHANISM.
APPLIOATION FILED FEB. 6, 1902.
H0 MODEL.
llll Ill!" ullllh UNITED STATES PATENT OFFICE.
JOHN H. RUCH AND LEWIS A. BAKER, OF 'ELGIN, ILLINOIS.
-PUMP MECHANISM.
SPECIFICATION forming. part of Letters Patent No. 722,385, dated March 10, 1903.
Application filed February 6, 1902. Serial No. 92,767. (No model.)
To all whom it may concern:
Be it known that we, JOHN H. RUOH and LEWIS A.BAKER, citizens of the United States of America, residing in Elgin, in the county of Kane and State of Illinois, have invented certain new and useful Improvements in Pump Mechanism, of which the following, taken in connection with the accompanying drawings, is a specification.
The first of the objects of this invention is the provision of an improved form of driving mechanism for actuating pumps which are to be driven by power belts or shaft-ing, which said improvement will be simple in construction and therefore cheap to construct, while at the same time efficient and durable in operation.
The invention will be best understood by reference to the accompanying drawings, showing the improvement embodied in preferred form, and in which-- Figure 1 is an elevation of a pump embodying our improvements; Fig. 2, a view with parts in section taken on the line 20f Fig. 3; Fig. 3, a sectional view, on a larger scale, taken on the line 3 of Fig. 1; and Fig. 4, a view of a detail, showing the driving-gear with its cam.
In carrying out our invention we first provide a suitable standard 5, to which is secured a pump 6, which may be of any preferred construction and which has the usual stuffing-box 7 at the upper end, through which projects the plunger 8, which in the construction employed in connection with our improvement is extended upwardly and provided with a guide-slot 9, arranged to engage the shaft 10, as shown, and has secured to it by a pin 11 a roller 12, which is adapted to engage with a cam 13, formed in a gear let, preferably upon the inside face thereof, so that the plunger extension, which contains the slot 9, may operate between the gear and the standard 5.
The gear let is arranged to be driven by a pinion 15, carried on a driving-shaft 16, which receives its motion from a suitable belt-pulley 17 or other mechanism of like kind.
The cam is preferably arranged in the form of a groove, as shown, and constructed to receive the cam-stud, comprised of the pin 11 and roller 12, with a small amount of free movementthat is, just sufficient to permit a rotation of the roller 12 within the camgroove with a minimum amount of friction.
The engagement between the slot 9 and the shaft 10 operates to drive the plunger 8, so that it will have a reciprocating movement in a straight or rectilinear path and without any side strain upon the cam or other portions of the mechanism, the reciprocating movement being imparted to the plunger by means of the rotation of the gear 14 with its cam, as described.
Having thus described our invention, what we claim as new, and desire to secure by Letters Patent, is-
1. In a pump mechanism the combination of a cylinder, a supporting-standard, a plunger operating in the cylinder and having a slotted extension on the plunger-rod, bearing a cam-stud, a shaft in the standard passing through the slot of said plunger extension, and carrying on the outside thereof a gearwheel provided with an eccentric cam-slot engaging the cam-stud on the plunger-rod to reciprocate the same.
2. In a pump mechanism the combination with a pump-cylinder and a supporting-standard, of a plunger-rod having an integral extension in direct line with the cylinder provided with a slot and a cam-stud, an arbor fixed in the standard passing through the slot of the plunger-rod extension and carrying outside of said rod a gear-wheel provided with a cam-slot engaging the cam-stud of the plunger-rod, and means for driving said gearwheel to reciprocate the plungerrod, said driving means acting from a rigid support outside the line of thrust of the plunger.
In testimony whereof we have hereunto set our hands in the presence of two subscribing witnesses.
JOHN H. RUCH. LEWIS A. BAKER. Witnesses:
L. W. DUER,
W. MARSHALL.
US9276702A 1902-02-06 1902-02-06 Pump mechanism. Expired - Lifetime US722385A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US9276702A US722385A (en) 1902-02-06 1902-02-06 Pump mechanism.

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US9276702A US722385A (en) 1902-02-06 1902-02-06 Pump mechanism.

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