US3760823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parts cleaning apparatus
Assignee: Individual
•
Filing: 1971-08-30
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Granted: 1973-09-25
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Expires: 1991-08-30
Abstract
Abstract Apparatus for cleaning engine parts or the like wherein the engine parts are placed in a basket and the basket is reciprocated in a container filled with cleaning solution. A pneumatic basket reciprocator encloses a cylinder with a valved piston connected to the basket and the reciprocator functions automatically to drop the basket in a downward direction when the piston reaches the upper end of its stroke, and the piston reverses its direction in response to the differential in air pressure across the piston and to the flow of air through the valves of the piston or by tne engagement of the piston valves with the bottom of the cylinder, whereby the amplitude and frequency of the piston and basket movement are functions of the weight of the parts placed in the basket and the rate of air flow to the piston.
Inventors
- 👤 M Ferguson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:44
CPC Classifications
C; C23; C23G; C23G3/00; F; F02; F02B; F02B77/00; F02B77/04
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
260 words
Apparatus for cleaning engine parts or the like comprising a cylindrical container open at its upper end, a lid for closing the upper end of said container, a pair of lid lifting cylinders positioned in upright attitudes on opposite sides of said container, a piston positioned in and movable along the length of each lid lifting cylinder, fluid flow means for communicating fluid simultaneously with the lower ends of both of said lid lifting cylinders, a piston rod connected to each of said pistons and extending in an upward direction out of said lid lifting cylinders and connected at their upper ends to said lid and arranged to move said lid vertically toward and away from said container while maintaining said lid in an approximately horizontal attitude, a parts receiving basket normally positioned in said container, a basket driving cylinder positioned in an upright attitude on the central portion of the upper surface of said lid, a piston positioned in said basket driving cylinder, a piston rod connected to the piston in said basket driving cylinder and extending in a downward direction through said lid and supporting said basket in said container, the piston in said basket driving cylinder comprising a valved piston with at least one valve therein constructed and arranged to block the flow of fluid through its piston from below its piston when in one position and to permit the flow of fluid through its piston when in another position, and fluid flow means for providing fluid under pressure to said basket driving cylinder below its piston.
Claim 2
Dependent Claim
260 words
Apparatus for cleaning engine parts or the like comprising a cylindrical container open at its upper end, a lid for closing the upper end of said container, a pair of lid lifting cylinders positioned in upright attitudes on opposite sides of said container, a piston positioned in and movable along the length of each lid lifting cylinder, fluid flow means for communicating fluid simultaneously with the lower ends of both of said lid lifting cylinders, a piston rod connected to each of said pistons and extending in an upward direction out of said lid lifting cylinders and connected at their upper ends to said lid and arranged to move said lid vertically toward and away from said container while maintaining said lid in an approximately horizontal attitude, a parts receiving basket normally positioned in said container, a basket driving cylinder positioned in an upright attitude on the central portion of the upper surface of said lid, a piston positioned in said basket driving cylinder, a piston rod connected to the piston in said basket driving cylinder and extending in a downward direction through said lid and supporting said basket in said container, the piston in said basket driving cylinder comprising a valved piston with at least one valve therein constructed and arranged to block the flow of fluid through its piston from below its piston when in one position and to permit the flow of fluid through its piston when in another position, and fluid flow means for providing fluid under pressure to said basket driving cylinder below its piston.
Claim 3
Dependent Claim
167 words
Apparatus for cleaning engine parts or the like comprising a container open at its upper end for containing a cleaning liquid or the like, a lid for closing the upper end of said container, a basket member positioned in said container, fluid driving means connected to said basket member and arranged to reciprocate said basket member in said container, said fluid driving means comprising a cylinder, a piston in said cylinder, a piston rod connected to said piston and extending through one end of said cylinder and connected to said basket member, said cylinder defining a fluid inlet opening at one of its ends, said piston comprising at least one valve opening therethrough and a valve connected to said piston and arranged to close fluid flow through the valve opening of said piston as the basket moves in a downward direction in the container and to open fluid flow through the valve opening of said piston as the basket moves in an upward direction in the container.
Claim 4
Dependent Claim
167 words
Apparatus for cleaning engine parts or the like comprising a container open at its upper end for containing a cleaning liquid or the like, a lid for closing the upper end of said container, a basket member positioned in said container, fluid driving means connected to said basket member and arranged to reciprocate said basket member in said container, said fluid driving means comprising a cylinder, a piston in said cylinder, a piston rod connected to said piston and extending through one end of said cylinder and connected to said basket member, said cylinder defining a fluid inlet opening at one of its ends, said piston comprising at least one valve opening therethrough and a valve connected to said piston and arranged to close fluid flow through the valve opening of said piston as the basket moves in a downward direction in the container and to open fluid flow through the valve opening of said piston as the basket moves in an upward direction in the container.
Claim 5
Dependent Claim
47 words
The apparatus of claim 2 and wherein said cylinder is mounted in the center portion of said lid, and said piston rod extends from said piston through the lower end of said cylinder and through said lid into said container and is connected to said basket member.
Claim 6
Dependent Claim
53 words
The apparatus of claim 2 and further including lid lifting means comprising at least one upright fluid cylinder connected to said container, a piston in said cylinder, a piston rod connected to said cylinder and extending in an upward direction out of said cylinder and connected at its upper end to said lid.
Claim 7
Dependent Claim
61 words
The apparatus of claim 2 and further including lid lifting means comprising upright cylinders connected to said container, a piston in each cylinder, a piston rod connected to each piston and extending in an upward direction out of its cylinder And connected at its upper end to said lid, and fluid flow means for simultaneously pressurizing said cylinders below said pistons.
Claim 8
Dependent Claim
155 words
Apparatus for cleaning engine parts or the like comprising a container open at its upper end, a basket member normally positioned in said container, pneumatic drive means connected to said basket through the upper end of said container for reciprocating said basket in said container, said pneumatic drive means comprising a cylinder, a valved piston in said cylinder, and a piston rod connected at one of its ends to said valved piston and extending from said cylinder and connected at its other end to said basket member, a flow conduit communicating with one end of said cylinder and with a source of air under pressure, said valved piston comprising at least one valve conduit therethrough, and a valve element arranged to close said valve conduit as said basket is moving in a downward direction in said container and to open said valve conduit as said basket is moving in an upward direction in said container.
Claim 9
Dependent Claim
155 words
Apparatus for cleaning engine parts or the like comprising a container open at its upper end, a basket member normally positioned in said container, pneumatic drive means connected to said basket through the upper end of said container for reciprocating said basket in said container, said pneumatic drive means comprising a cylinder, a valved piston in said cylinder, and a piston rod connected at one of its ends to said valved piston and extending from said cylinder and connected at its other end to said basket member, a flow conduit communicating with one end of said cylinder and with a source of air under pressure, said valved piston comprising at least one valve conduit therethrough, and a valve element arranged to close said valve conduit as said basket is moving in a downward direction in said container and to open said valve conduit as said basket is moving in an upward direction in said container.
Claim 10
Dependent Claim
46 words
The apparatus of claim 6 and further including check valve means in said flow conduit and arranged to prevent the flow of air from said cylinder through said flow conduit, and control means for controlling the flow of air through said flow conduit toward said cylinder.
Claim 11
Dependent Claim
64 words
The apparatus of claim 6 and wherein said valve element comprises a valve, a valve stem connected at one of its ends to said valve and extending through and beyond the other side of said piston and arranged to engage the end of said cylinder as said piston moves toward the end of said cylinder and moves the valve away from said valve conduit.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |