WO1993013868A1 - Mechanism for oscillating fountain nozzles - Google Patents

Mechanism for oscillating fountain nozzles Download PDF

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Publication number
WO1993013868A1
WO1993013868A1 PCT/US1992/000491 US9200491W WO9313868A1 WO 1993013868 A1 WO1993013868 A1 WO 1993013868A1 US 9200491 W US9200491 W US 9200491W WO 9313868 A1 WO9313868 A1 WO 9313868A1
Authority
WO
WIPO (PCT)
Prior art keywords
bored
nozzle assembly
horizontal pipe
push rod
nozzle
Prior art date
Application number
PCT/US1992/000491
Other languages
French (fr)
Inventor
Michael Przystawik
Original Assignee
Michael Przystawik
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Michael Przystawik filed Critical Michael Przystawik
Priority to PCT/US1992/000491 priority Critical patent/WO1993013868A1/en
Priority to AU19865/92A priority patent/AU1986592A/en
Publication of WO1993013868A1 publication Critical patent/WO1993013868A1/en

Links

Classifications

    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
    • F16L19/0206—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member the collar not being integral with the pipe
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/08—Fountains

Definitions

  • the invention lies in the field of water, fountain displays and is particularly directed to improved means for oscillating two rows of fountain nozzles discharging streams of water.
  • ⁇ - Q included a pair of parallel push rods driven by a single motor having two eccentric arms. One end of each push rod was connected to one end of one of the eccentric arms and the opposite end of each push rod was connected to a slip ring slidably encircling an
  • the push rod can be achieved. Hinged extensions of the two push rods, each extension being connected to a slip ring slidably encircling a pipe feeding water to a nozzle, permits the mechanism to oscillate two series
  • Oscillating water fountains constructed and operated as taught by Przystawik experienced severe leakage of water from the threaded connection between the 90 degree elbow and the water line caused by the constant pivoting of the elbow about the horizontal axis of the fitting onto which the elbow is fitted. Moreover, water fountains as taught by Przystawik exhibited considerable frictional drag during operation due to the pivoting of the 90 degree elbow and to the back-and-forth movement of the push rods and their extensions moving across the pins connecting the push rods to the slip rings encircling the pipes feeding water to the nozzle.
  • My invention eliminates the water leakage occurring between the lower end of the 90 degree elbow and the water line and at the same time provides essentially frictionless pivoting of the 90 degree elbow, the elongated pipe encircled by the slip ring and the upstanding fountain nozzle about the horizontal axis of the assembly between the 90 degree elbow and the water line.
  • the unique assembly includes a metal pipe permanently affixed to the lower end of the 90 degree elbow with a bronze bushing sweged onto the end of the pipe, and an axially bored fitting externally threaded at both ends having one end bored to slidably receive the bronze bushing on the end of the pipe and its other end bored to the size of the inner diameter of the pipe, the external threads on the end of the fitting surrounding the boring to the size of the inner diameter of the pipe being cut to fit the internally threaded fitting in the side of the water line, and a cap nut internally threaded to fit over the external threads of the fitting surrounding the bronze bushing.
  • nylon or similar 0 rings are positioned within the fitting and the cap nut to lie on opposite sides of the bronze bushing within the assembly.
  • Fig. 1 is a front elevational view of a preferred embodiment of my improved oscillating mechanism showing the assembly for leakproof connection of the nozzle assembly to the water supply line and also the - c - connection to the push bar for oscillating the nozzle.
  • Fig. 2 is a detailed view, partially in cross-section, cut away to.show the details of the connection of the nozzle assembly to the water line.
  • Fig. 3 is a perspective view, partially broken away, showing the pair of push bars connected to the eccentric arms of the motor and the connection of each of the push bars connected to one of a series of fountain nozzles.
  • the preferred embodiment includes a fountain nozzle tip 10 which is made of brass and soldered to a lead pipe 0 11.
  • the lower end of pipe 11 is connected to a brass internally threaded bushing 12 whose lower end is connected to the upper end of an elongated copper pipe 13.
  • the lower end of pipe 13 is connected to a 90 5 degree elbow 33 whose lower horizontal end is connected by means of a leakproof assembly to a water line 17 which permits essentially frictionless pivoting of elbow 33, pipe 13 and fountain nozzle tip 10 (hereinafter referred to as the fountain nozzle assembly) about the horizontal axis of the leakproof assembly.
  • the assembly includes a short length of preferably copper tubing 35 affixed to the lower open end of 90 5 degree elbow 33.
  • a bronze bushing 42 is sweged onto the end of tubing 35.
  • Bushing 42 is slidably fitted into an axially bored recess in one end of fitting 40.
  • the other end of fitting 40 is axially bored to a size equal to the 0 inner diameter of tubing 35.
  • Fitting 40 is externally threaded at each end.
  • the external threads on the end of fitting 40 surrounding the boring to the size of the inner c diameter of tubing 35 are cut to fit internally threaded polyvinyl chloride (PVC) fitting 36 screwed into the wall of PVC water line 17.
  • PVC polyvinyl chloride
  • the opposite end of fitting 40 is externally threaded to receive hexagonal cap nut 48.
  • nylon O rings 44 and 46 are inserted into fitting 40 and cap nut 48, respectively, to lie on opposite sides of bronze bushing 42 as shown in Fig. 2.
  • the fountain nozzle assembly is adjustably connected to a stainless steel hollow push bar 20 by stainless steel bolt 21, stainless steel locking nut 23, stainless steel washers 22 and flanged brass bushings 18 as best shown in Fig. 1 and brass slip ring 24.
  • the internal diameter of slip ring 24 is slightly larger than the outside diameter of elongated pipe 13 to permit incremental adjustment of the position of the ring 24 along the extent of pipe 13, and then the ring is locked into position by turning the head 21a of bolt 21 until the end of the bolt is firmly set against the wall of pipe 13 and locked in place by lock nut 23.
  • a single variable speed electric motor 29 is used to oscillate two series or rows of fountain nozzles 10 in opposite directions.
  • Motor 29 is fitted to operate an eccentric mechanism which rotates two eccentric arms 25 and 26.
  • the ends of arms 25 and 26 are connected respectively to the flattened ends of push rods 20 and 30 which are moved in opposite back-and-forth directions by motor 29 and eccentric arms 25 and 26.
  • Push rods 20 and 30 contain diametrically bored holes, and in their connection to each fountain nozzle assembly, the push rods ride on the two flanged brass bushings 18 to reduce the friction generated by the back-and-forth movement of the push rods.
  • Push rods 20 and 30 are each adjustably connected to a separate row of fountain nozzles 10, one nozzle of each row being shown in Fig. 3.
  • By varying the position of slip rings 24 along the length of elongated pipe 13 of each nozzle assembly, the extent or sweep of the arc through which the nozzle tip will move as a result of the back-and-forth movement of the . push rods can easily be varied as desired by the operator of the moving water fountain display.
  • My invention provides the moving water fountain display with a leakproof supply of water to the fountain nozzles and, at the same time, an essentially frictionless pivoting of the fountain nozzle assemblies.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Special Spraying Apparatus (AREA)

Abstract

Mechanism for adjustably oscillating two separate rows of water fountain nozzle assemblies (10). The mechanism includes a pair of push rods (20, 30) being driven in opposite directions and each push rod (20, 30) being connected to each nozzle assembly (10) in its row by an adjustable slip ring (24) encircling the nozzle assembly (10). Driven by the back-and-forth movement of the push rods (20, 30), the nozzle assemblies (10) pivot back and forth on the axis of the leakproof and essentially frictionless assembly which includes a bronze bushing (42) sweged onto the end of a horizontal pipe (35) feeding water to the nozzle assembly, and an axially bored fitting (40) connected to the water line bored on one end to the inner diameter of the horizontal pipe and on the other end bored to slidably receive the bronze bushing (42) sweged onto the horizontal pipe (35).

Description

MECHANISM FOR OSCILLATING FOUNTAIN NOZZLES
Technical Field
The invention lies in the field of water, fountain displays and is particularly directed to improved means for oscillating two rows of fountain nozzles discharging streams of water.
Background Art
10 In fountains which use a plurality of oscillating nozzles to produce constantly changing water patterns, it is often desired to change the extent of the arc through which the nozzles sweep and various arrangements to achieve this result have been proposed.
15 Przystawik, U.S. Patent No. 4,826,079, taught a mechanism for oscillating two series of upstanding fountain nozzles over predetermined but adjustable arcs to create pleasing movement of the streams of water issuing from the nozzles. The oscillating mechanism
~-Q included a pair of parallel push rods driven by a single motor having two eccentric arms. One end of each push rod was connected to one end of one of the eccentric arms and the opposite end of each push rod was connected to a slip ring slidably encircling an
25 elongated pipe which feeds water to one of a series of fountain nozzles. By varying the position of the slip ring along the length of the elongated pipe, infinite variation in the size of the arc through which the nozzle will sweep during the back-and-forth movement of
30 the push rod can be achieved. Hinged extensions of the two push rods, each extension being connected to a slip ring slidably encircling a pipe feeding water to a nozzle, permits the mechanism to oscillate two series
35 of nozzles in similar but opposite directions using a single motor. Water to each series of fountain nozzles was fed from two parallel water lines into each of the elongated pipes through a 90 degree elbow pivotably connected by a threaded pipe to the water line.
Oscillating water fountains constructed and operated as taught by Przystawik experienced severe leakage of water from the threaded connection between the 90 degree elbow and the water line caused by the constant pivoting of the elbow about the horizontal axis of the fitting onto which the elbow is fitted. Moreover, water fountains as taught by Przystawik exhibited considerable frictional drag during operation due to the pivoting of the 90 degree elbow and to the back-and-forth movement of the push rods and their extensions moving across the pins connecting the push rods to the slip rings encircling the pipes feeding water to the nozzle.
Disclosure of the Invention
I have redesigned the system taught by Przystawik to eliminate its propensity to leak water and to reduce friction generated by operation of the system shown in his patent.
My invention eliminates the water leakage occurring between the lower end of the 90 degree elbow and the water line and at the same time provides essentially frictionless pivoting of the 90 degree elbow, the elongated pipe encircled by the slip ring and the upstanding fountain nozzle about the horizontal axis of the assembly between the 90 degree elbow and the water line.
The unique assembly includes a metal pipe permanently affixed to the lower end of the 90 degree elbow with a bronze bushing sweged onto the end of the pipe, and an axially bored fitting externally threaded at both ends having one end bored to slidably receive the bronze bushing on the end of the pipe and its other end bored to the size of the inner diameter of the pipe, the external threads on the end of the fitting surrounding the boring to the size of the inner diameter of the pipe being cut to fit the internally threaded fitting in the side of the water line, and a cap nut internally threaded to fit over the external threads of the fitting surrounding the bronze bushing. Preferably, nylon or similar 0 rings are positioned within the fitting and the cap nut to lie on opposite sides of the bronze bushing within the assembly.
10
In order to simplify the mechanism and reduce the friction generated by the back-and-forth movement of the push rods and their extensions moving across the pipe connecting the push rods to the slip rings, I eliminate the separate push rod extensions and extend
15 the length of the push rod. Holes are bored diametrically through the walls of the push rod at intervals spaced at the distance between adjacent fountain nozzles. A bolt whose threaded end is affixed to a slip ring encircling an elongated pipe feeding
20 water to a fountain nozzle passes through the diametrically drilled holes in the push rod. The push rod rides on a pair of flanged bushings mounted on the bolt's shank to insure essentially frictionless
25 oscillation of the fountain nozzle as the push rod moves back and forth driven by the rotation of the eccentric arms on the motor.
Brief Description of the Drawings
30 Fig. 1 is a front elevational view of a preferred embodiment of my improved oscillating mechanism showing the assembly for leakproof connection of the nozzle assembly to the water supply line and also the - c- connection to the push bar for oscillating the nozzle.
Fig. 2 is a detailed view, partially in cross-section, cut away to.show the details of the connection of the nozzle assembly to the water line. Fig. 3 is a perspective view, partially broken away, showing the pair of push bars connected to the eccentric arms of the motor and the connection of each of the push bars connected to one of a series of fountain nozzles.
Best Mode for Carrying Out the Invention
Referring first to Figs. 1 and 2 of the drawings, the preferred embodiment includes a fountain nozzle tip 10 which is made of brass and soldered to a lead pipe 0 11. The lower end of pipe 11 is connected to a brass internally threaded bushing 12 whose lower end is connected to the upper end of an elongated copper pipe 13.
The lower end of pipe 13 is connected to a 90 5 degree elbow 33 whose lower horizontal end is connected by means of a leakproof assembly to a water line 17 which permits essentially frictionless pivoting of elbow 33, pipe 13 and fountain nozzle tip 10 (hereinafter referred to as the fountain nozzle assembly) about the horizontal axis of the leakproof assembly.
The assembly includes a short length of preferably copper tubing 35 affixed to the lower open end of 90 5 degree elbow 33. As best shown in Fig. 2, a bronze bushing 42 is sweged onto the end of tubing 35. Bushing 42 is slidably fitted into an axially bored recess in one end of fitting 40. The other end of fitting 40 is axially bored to a size equal to the 0 inner diameter of tubing 35.
Fitting 40 is externally threaded at each end. The external threads on the end of fitting 40 surrounding the boring to the size of the inner c diameter of tubing 35 are cut to fit internally threaded polyvinyl chloride (PVC) fitting 36 screwed into the wall of PVC water line 17. The opposite end of fitting 40 is externally threaded to receive hexagonal cap nut 48. Preferably, nylon O rings 44 and 46 are inserted into fitting 40 and cap nut 48, respectively, to lie on opposite sides of bronze bushing 42 as shown in Fig. 2.
The fountain nozzle assembly is adjustably connected to a stainless steel hollow push bar 20 by stainless steel bolt 21, stainless steel locking nut 23, stainless steel washers 22 and flanged brass bushings 18 as best shown in Fig. 1 and brass slip ring 24.
The internal diameter of slip ring 24 is slightly larger than the outside diameter of elongated pipe 13 to permit incremental adjustment of the position of the ring 24 along the extent of pipe 13, and then the ring is locked into position by turning the head 21a of bolt 21 until the end of the bolt is firmly set against the wall of pipe 13 and locked in place by lock nut 23.
As shown in Fig. 3, a single variable speed electric motor 29 is used to oscillate two series or rows of fountain nozzles 10 in opposite directions. Motor 29 is fitted to operate an eccentric mechanism which rotates two eccentric arms 25 and 26. The ends of arms 25 and 26 are connected respectively to the flattened ends of push rods 20 and 30 which are moved in opposite back-and-forth directions by motor 29 and eccentric arms 25 and 26.
Push rods 20 and 30 contain diametrically bored holes, and in their connection to each fountain nozzle assembly, the push rods ride on the two flanged brass bushings 18 to reduce the friction generated by the back-and-forth movement of the push rods.
Push rods 20 and 30 are each adjustably connected to a separate row of fountain nozzles 10, one nozzle of each row being shown in Fig. 3. By varying the position of slip rings 24 along the length of elongated pipe 13 of each nozzle assembly, the extent or sweep of the arc through which the nozzle tip will move as a result of the back-and-forth movement of the .push rods can easily be varied as desired by the operator of the moving water fountain display.
My invention provides the moving water fountain display with a leakproof supply of water to the fountain nozzles and, at the same time, an essentially frictionless pivoting of the fountain nozzle assemblies.
While I have illustrated and described a preferred embodiment of my leakproof and essentially frictionless oscillating fountain nozzle system, it will be apparent to those skilled in the art that modifications and changes in the mechanism may be made without departing from the spirit and scope of my invention, whose true . scope is limited only by the following claims.

Claims

Claims
1. In a mechanism for adjustably oscillating two separate rows of water fountain nozzle assemblies (10) which includes a separate water line (17) for each row of nozzle assemblies (10) and a pair of hollow push rods (20, 30) being driven in opposite directions and each push rod (20, 30) being connected to each nozzle assembly (10) in its row by an adjustable slip ring (24) encircling the nozzle assembly (10) in which the nozzle assemblies (10) pivot back and forth, a leakproof and essentially frictionless assembly which includes a bronze bushing (42) sweged onto the end of a horizontal pipe (35) feeding water to the nozzle assembly (10) , and an axially bored fitting (40) connected to the water line bored on one end to the inner diameter of the horizontal pipe (35) and on the other end bored to slidably receive the bronze bushing (42) sweged onto the horizontal pipe (35) .
2. Mechanism as set forth in claim l in which the leakproof assembly also includes a cap nut (48) internally bored and threaded to fit over the end of the fitting (40) bored to slidably receive the bronze bushing (42) sweged onto the horizontal pipe (35) .
3. Mechanism as set forth in claim 1 in which the connection between each hollow push rod (20, 30) and each nozzle assembly (10) includes a stainless steel bolt (21) whose shank passes through diametrically aligned holes in the hollow push rod (20, 30) and is threaded through the slip ring (24) encircling the nozzle assembly (10) , a stainless steel locking nut (23) on the bolt's shank adjacent the slip ring (24) , and a pair of flanged bushings (18) mounted on the bolt's shank to support the push rod (20, 30) .
4. In a mechanism for adjustably oscillating two separate rows of water fountain nozzle assemblies (10) which includes a separate water line for feeding water to each row of nozzle assemblies (10) and a pair of push rods (20, 30) being driven in opposite directions, each push rod (20, 30) being connected to each nozzle assembly (10) in its row by an adjustable slip ring (24) encircling the nozzle assembly (10) , in which the nozzle assemblies (10) pivot back and forth, a leakproof and essentially frictionless assembly 0 comprising a bronze bushing (42) sweged onto the end of a horizontal pipe (35) feeding water to the nozzle assembly (10) , an axially bored fitting (40) connected to the water line bored on one end to the inner diameter of the horizontal pipe (35) and on the other 5 end bored to slidably receive the bronze bushing (42) sweged onto the horizontal pipe (35) , a cap nut (48) internally bored and threaded to fit over the end of the axially bored fitting (40) bored to receive the bronze bushing (42) sweged onto the horizontal pipe 0 (35) , and a pair of 0 rings (44, 46) , each sized to fit respectively into the internally bored recess in the fitting (40) and the cap nut (48) to position the O rings (44, 46) adjacent the opposite ends of the bronze r bushing (42) .
5. Mechanism as set forth in claim 4 in which the connection between each hollow push rod (20, 30) and each nozzle assembly (10) includes a stainless 0 steel bolt (21) whose shank passes through diametrically aligned holes in the hollow push rod (20, 30) and is threaded through the slip ring (24) encircling the nozzle assembly (10) , a stainless steel ,- locking nut (23) on the bolt's shank adjacent the slip ring (24) , and a pair of flanged bushings (18) mounted on the bolt's shank to support the push rod (20, 30) .
PCT/US1992/000491 1992-01-21 1992-01-21 Mechanism for oscillating fountain nozzles WO1993013868A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/US1992/000491 WO1993013868A1 (en) 1992-01-21 1992-01-21 Mechanism for oscillating fountain nozzles
AU19865/92A AU1986592A (en) 1992-01-21 1992-01-21 Mechanism for oscillating fountain nozzles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1992/000491 WO1993013868A1 (en) 1992-01-21 1992-01-21 Mechanism for oscillating fountain nozzles

Publications (1)

Publication Number Publication Date
WO1993013868A1 true WO1993013868A1 (en) 1993-07-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1992/000491 WO1993013868A1 (en) 1992-01-21 1992-01-21 Mechanism for oscillating fountain nozzles

Country Status (2)

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AU (1) AU1986592A (en)
WO (1) WO1993013868A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102114452A (en) * 2010-09-27 2011-07-06 河南中光学集团有限公司 Long-distance flexible-transmission nozzle swinging mechanism

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1137367A (en) * 1913-05-22 1915-04-27 George Franklin Van Brunt Packing.
US1153986A (en) * 1914-10-16 1915-09-21 Raynard L Whitney Bearing.
US2562556A (en) * 1945-10-25 1951-07-31 Kurt Anton Apparatus for cleaning carcasses
US2659389A (en) * 1947-11-14 1953-11-17 Leo M Harvey Fabricated faucet fixture
US4826079A (en) * 1988-04-29 1989-05-02 Gunter Przystawik Moving means for fountain nozzle
US4968055A (en) * 1987-07-28 1990-11-06 Reilly Bruce J Apparatus to vary axle orientation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1137367A (en) * 1913-05-22 1915-04-27 George Franklin Van Brunt Packing.
US1153986A (en) * 1914-10-16 1915-09-21 Raynard L Whitney Bearing.
US2562556A (en) * 1945-10-25 1951-07-31 Kurt Anton Apparatus for cleaning carcasses
US2659389A (en) * 1947-11-14 1953-11-17 Leo M Harvey Fabricated faucet fixture
US4968055A (en) * 1987-07-28 1990-11-06 Reilly Bruce J Apparatus to vary axle orientation
US4826079A (en) * 1988-04-29 1989-05-02 Gunter Przystawik Moving means for fountain nozzle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102114452A (en) * 2010-09-27 2011-07-06 河南中光学集团有限公司 Long-distance flexible-transmission nozzle swinging mechanism

Also Published As

Publication number Publication date
AU1986592A (en) 1993-08-03

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