US58085A - Improvement in pumps - Google Patents

Improvement in pumps Download PDF

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Publication number
US58085A
US58085A US58085DA US58085A US 58085 A US58085 A US 58085A US 58085D A US58085D A US 58085DA US 58085 A US58085 A US 58085A
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Prior art keywords
box
pump
base
pumps
valve
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0005Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
    • F04B39/0016Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons with valve arranged in the piston

Definitions

  • Figure l is a plan of the pump-box.
  • Fig. 2 is a section showing the thread h of screw.
  • Fig. 3 is an elevation ot the base a and valve c.
  • Fig. 4 is a section of the pump-box.
  • Thelower part or base, c should be of metal or other suitable material, circular in form, of diameter nearly equal to the bore of the pump, and of sufficient thickness to secure the requisite strength.
  • an opening, through which the water passes, and around this opening are two or more upright pins or guides, b, for the purpose of holding and keeping' in place the valve c.
  • the valve c is a circular piece of metal ot' suitable size to cover the opening in the base a, and not so large but that it may move with ease within the guides b.
  • valve c should be lined with leather or some suitable material, as shown in the drawings.
  • the part e is a ring of leather or other suitable material, which surrounds the opening in the base a, and is tted to the guides b, rests upon the base a, and extends beyond, so as to till the tube or bore of the pump, rendering the same water and air tight.
  • the ring e is held to the base a, by means of the upper part, j', of the box, which is substantially a section of a cylinder of metal or other suitable material, of suitable height, and of a size somewhat less than the bore or tube of the pump.
  • a bar, g, ot' metal passes from one side of the box'to the other, to which the rod from the pump-handle is connected.
  • the inside of the section of cylinder f is made a thread of a screw or projection, h, which is so arranged as to run in slots z' in some orV all of the guides b, so that by turning the part f the ring e will be compressed between the lower edge of the cylinder f and the base a, so as to make the joints water and air tight and hold the parts of the box together.

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

Description

UNITED STATES PATENT O EEIoE.
A. F. FLETCHER, 0F ATHOL, MASSACHUSETTS.
IMPROVEMENT IN PUMPS.
Specification forming part of Letters Patent N o. 58,085, dated September 1S, 1866.
To all whom. it may concern.
Be it known that I, A. F. FLETCHER, of Athol, in the county of Worcester and State of Massachusetts, have'invented a new and I mproved- Pump-Box; and I do hereby declare the following to be a full and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon, in which.
Figure l is a plan of the pump-box. Fig. 2 is a section showing the thread h of screw. Fig. 3 is an elevation ot the base a and valve c. Fig. 4 is a section of the pump-box.
The nature of my invention is set forth in the following description.
To enable others skilled in the art to make and use my invention, I will proceed to describe its construction and operation.
I make my improved pump-box of live principal parts, although the number ot' the parts is not essential to the successful working of the box. Thelower part or base, c, should be of metal or other suitable material, circular in form, of diameter nearly equal to the bore of the pump, and of sufficient thickness to secure the requisite strength. In the center of the base a is an opening, through which the water passes, and around this opening are two or more upright pins or guides, b, for the purpose of holding and keeping' in place the valve c.
The valve c is a circular piece of metal ot' suitable size to cover the opening in the base a, and not so large but that it may move with ease within the guides b. There may be cast upon the lower side and center ot the valve a stem or button, d, for" the purpose ot' giving to the valve a vertical inclination, and to raise it from its seat when the box is lowered to let off the water.
The valve c should be lined with leather or some suitable material, as shown in the drawings.
The part e, as shown in the drawings, is a ring of leather or other suitable material, which surrounds the opening in the base a, and is tted to the guides b, rests upon the base a, and extends beyond, so as to till the tube or bore of the pump, rendering the same water and air tight. The ring e is held to the base a, by means of the upper part, j', of the box, which is substantially a section of a cylinder of metal or other suitable material, of suitable height, and of a size somewhat less than the bore or tube of the pump.
A bar, g, ot' metal passes from one side of the box'to the other, to which the rod from the pump-handle is connected.
0n the inside of the section of cylinder f is made a thread of a screw or projection, h, which is so arranged as to run in slots z' in some orV all of the guides b, so that by turning the part f the ring e will be compressed between the lower edge of the cylinder f and the base a, so as to make the joints water and air tight and hold the parts of the box together.
By this method of construction the box is easily taken apart for repairs, and obviates the necessity of nailing the packing or leather ring to the other parts of the box, as in the old method, whereby it was rendered less durable,A
more complicated, and more liable to get out of order than a box made according to my method.
I do not in this application claim the guides b.
US58085D Improvement in pumps Expired - Lifetime US58085A (en)

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