US2760636A - Dip-sticks - Google Patents

Dip-sticks Download PDF

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Publication number
US2760636A
US2760636A US544401A US54440155A US2760636A US 2760636 A US2760636 A US 2760636A US 544401 A US544401 A US 544401A US 54440155 A US54440155 A US 54440155A US 2760636 A US2760636 A US 2760636A
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Prior art keywords
dip
stick
snap
magnesium element
magnesium
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Expired - Lifetime
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US544401A
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Ashton C Johnson
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/04—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by dip members, e.g. dip-sticks

Definitions

  • This invention relates to improvements in attachments for crankcase dip-sticks, and more particularly to a novel attachment embodying modified forms of the invention shown in my application bearing the Serial Number 517,280, filed June 22, 1955.
  • An object of the invention is to provide a device of the type including an element of magnesium and a permanent magnet securely fixed to a crankcase dip-stick.
  • Another object of the invention is to provide means for permanently attaching said element to a dip-stick.
  • Fig. 1 is a fragmentary sectional view of a crankcase provided with a dip-stick embodying the invention.
  • Fig. 2 is a side view in elevation of the attachment.
  • Fig. 3 is a view of the dip-stick from the edge thereof, provided with said attachment.
  • Fig. 4 is a view taken on line 44 of Fig. 2.
  • Fig. 5 is a view in elevation of a modified form of the invention shown attached to the lower end of a dip-stick.
  • Fig. 6 is a vertical sectional view thereof.
  • the numeral 10 refers to the device generally, comprised of a dip-stick 11 with the conventional handle 12.
  • a cylinder of magnesium is secured by means of the snap-rings 15 and 16.
  • the magnesium cylinder 14 has a slot at 17 for the greater portion of its length to receive the end 13 of the dip-stick and is externally grooved at 18 and 19 to receive the snap-rings 15 and 16.
  • the lower end 20 of the cylinder 14 has a longitudinal bore 21, into which a permanent magnet 22 is forced with a driving fit.
  • the magnesium cylinder will eliminate acid action in the oil 23 of the conventional vehicle crankcase 24, and the magnet 22 will draw and retain metallic particles which would be undesirable in the oil content.
  • a dip-stick 30 has the lower end portion 31 bent at right angles at 32 and rounded ofi at 33.
  • a hollow cylinder 34 of magnesium and a second hollow cylinder 35 are held above and below, respectively, the lower end portion 31 of the dip-stick 30, by means of the bolt 36 and nut 37.
  • the hollow cylinder 35 comprises a permanent magnet.
  • a longitudinally slotted magnesium element having circumferential grooves fitted over the end of said dip-stick, and a plurality of snap-rings engaged in said grooves to secure said element on the dip-stick.
  • a longitudinally slotted cylindrical magnesium element having external circumferential grooves fitted over the end of said dipstick, and a plurality of snap-rings engaged in said grooves, said dip-stick having a plurality of edge indentations to receive the snap-rings and fix the magnesium element on the dip-stick.
  • a longitudinally slotted cylindrical magnesium element having external circumferential grooves fitted over the end of said dip-stick, and a plurality of snap-rings engaged in said grooves, said magnesium element having an axial bore in its free end, and a permanent magnet rod held in said bore with a driving fit.
  • a dip-stick a right angle bent apertured lower end thereon, a hollow cylindrical magnesium element, and bolt means securing said element to the lower end of the dip-stick.

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Description

Aug. 28, 1956 A. c. JOHNSON DIP-STICKS Filed Nov. 2, 1955 IN V EN TOR. 19.54779 6. dam/50M United States Patent DIP-STICKS Ashton C. Johnson, Brookfield, Wis.
Application November 2, 1955, Serial No. 544,401
4 Claims. (Cl. 210-1.5)
This invention relates to improvements in attachments for crankcase dip-sticks, and more particularly to a novel attachment embodying modified forms of the invention shown in my application bearing the Serial Number 517,280, filed June 22, 1955.
An object of the invention is to provide a device of the type including an element of magnesium and a permanent magnet securely fixed to a crankcase dip-stick.
Another object of the invention is to provide means for permanently attaching said element to a dip-stick.
Other and further objects of the invention will appear as the description proceeds, reference being had to the accompanying drawing, in which:
Fig. 1 is a fragmentary sectional view of a crankcase provided with a dip-stick embodying the invention.
Fig. 2 is a side view in elevation of the attachment.
Fig. 3 is a view of the dip-stick from the edge thereof, provided with said attachment.
Fig. 4 is a view taken on line 44 of Fig. 2.
Fig. 5 is a view in elevation of a modified form of the invention shown attached to the lower end of a dip-stick.
Fig. 6 is a vertical sectional view thereof.
Referring more particularly to the drawings, the numeral 10 refers to the device generally, comprised of a dip-stick 11 with the conventional handle 12. At the lower end 13 of the dip-stick 11, a cylinder of magnesium is secured by means of the snap- rings 15 and 16. The magnesium cylinder 14 has a slot at 17 for the greater portion of its length to receive the end 13 of the dip-stick and is externally grooved at 18 and 19 to receive the snap- rings 15 and 16. After assembly the rings are struck with a hammer to indent the side edges of the dip-stick 11, whereupon said snap-rings will lock securely into the indentations to retain the cylinder 14. The lower end 20 of the cylinder 14 has a longitudinal bore 21, into which a permanent magnet 22 is forced with a driving fit.
In use, the magnesium cylinder will eliminate acid action in the oil 23 of the conventional vehicle crankcase 24, and the magnet 22 will draw and retain metallic particles which would be undesirable in the oil content.
In Figs. 5 and 6 a modified form of the invention is shown in which a dip-stick 30 has the lower end portion 31 bent at right angles at 32 and rounded ofi at 33. A hollow cylinder 34 of magnesium and a second hollow cylinder 35 are held above and below, respectively, the lower end portion 31 of the dip-stick 30, by means of the bolt 36 and nut 37. The hollow cylinder 35 comprises a permanent magnet.
It will be understood that the device is capable of many modifications in structure and design, without departing from the spirit of the invention, within the scope of the appended claims.
Having thus described the invention, what is claimed and desired to be secured by Letters Patent of the United States, is:
1. In combination with a dip-stick, a longitudinally slotted magnesium element having circumferential grooves fitted over the end of said dip-stick, and a plurality of snap-rings engaged in said grooves to secure said element on the dip-stick.
2. In combination with a dip-stick, a longitudinally slotted cylindrical magnesium element having external circumferential grooves fitted over the end of said dipstick, and a plurality of snap-rings engaged in said grooves, said dip-stick having a plurality of edge indentations to receive the snap-rings and fix the magnesium element on the dip-stick.
3. In combination with a dip-stick, a longitudinally slotted cylindrical magnesium element having external circumferential grooves fitted over the end of said dip-stick, and a plurality of snap-rings engaged in said grooves, said magnesium element having an axial bore in its free end, and a permanent magnet rod held in said bore with a driving fit.
4. A dip-stick, a right angle bent apertured lower end thereon, a hollow cylindrical magnesium element, and bolt means securing said element to the lower end of the dip-stick.
References Cited in the file of this patent UNITED STATES PATENTS 1,752,050 Young Mar. 25, 1930 FOREIGN PATENTS 303,076 Great Britain Dec. 27, 1928 OTHER REFERENCES Motor Trend magazine, November 1953, page 7 (published by Trend, Inc., Los Angeles, Calif.).

Claims (2)

  1. 3. IN COMBINATION WITH A DIP-STICK, A LONGITUDINALLY SLOTTED CYLINDRICAL MAGNESIUM ELEMENT HAVING EXTERNAL CIRCUMFERENTIAL GROOVES FITTED OVER THE END OF SAID DIP-STICK, AND A PLURALITY OF SNAP-RINGS ENGAGED IN SAID GROOVES, SAID MAGNESIUM ELEMENT HAVING AN AXIAL BORE IN ITS FREE END, AND A PERMANENT MAGNET ROD HELD IN SAID BORE WITH A DRIVING FIT.
  2. 4. A DIP-STICK, A RIGHT ANGLE BENT APERTURED LOWER END THEREON, A HOLLOW CYLINDRICAL MAGNESIUM ELEMENT, AND BOLT MEANS SECURING SAID ELEMENT TO THE LOWER END OF THE DIP-STICK.
US544401A 1955-11-02 1955-11-02 Dip-sticks Expired - Lifetime US2760636A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2964190A (en) * 1958-03-10 1960-12-13 George T Smith Magnetic trap for engine cooling system
US2964967A (en) * 1957-04-19 1960-12-20 Gen Motors Corp Steering gear or the like
US3760456A (en) * 1972-07-31 1973-09-25 M Mark Folding game board hinge assembly
US3893903A (en) * 1973-02-22 1975-07-08 Jan Lindholm Cathodic protection of vehicles, especially motor cars
US4266344A (en) * 1979-09-18 1981-05-12 Estan Manufacturing Company Dipstick alignment guide
US4487676A (en) * 1981-08-27 1984-12-11 Raychem Corporation Anticorrosion anode with magnetic holddown
US4813277A (en) * 1987-03-30 1989-03-21 Amoco Corporation Method for collecting magnetizable particles in an above ground storage tank
US4813285A (en) * 1987-03-30 1989-03-21 Amoco Corporation Apparatus for establishing a clean interface in a leak detector
US4813269A (en) * 1987-03-30 1989-03-21 Amoco Corporation Magnetic interface contaminant collector for leak detector in above ground tank
US10690027B2 (en) * 2018-05-21 2020-06-23 Ford Global Technologies, Llc Attachment arrangement between rolling and rigid components in a vehicle engine bay

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB303076A (en) * 1927-08-25 1928-12-27 Frederick Richard Simms Improved means for cleansing or filtering lubricating oils
US1752050A (en) * 1927-04-12 1930-03-25 Swan Hunter & Wigham Richardson Regeneration or purification of lubricating oils

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1752050A (en) * 1927-04-12 1930-03-25 Swan Hunter & Wigham Richardson Regeneration or purification of lubricating oils
GB303076A (en) * 1927-08-25 1928-12-27 Frederick Richard Simms Improved means for cleansing or filtering lubricating oils

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2964967A (en) * 1957-04-19 1960-12-20 Gen Motors Corp Steering gear or the like
US2964190A (en) * 1958-03-10 1960-12-13 George T Smith Magnetic trap for engine cooling system
US3760456A (en) * 1972-07-31 1973-09-25 M Mark Folding game board hinge assembly
US3893903A (en) * 1973-02-22 1975-07-08 Jan Lindholm Cathodic protection of vehicles, especially motor cars
US4266344A (en) * 1979-09-18 1981-05-12 Estan Manufacturing Company Dipstick alignment guide
US4487676A (en) * 1981-08-27 1984-12-11 Raychem Corporation Anticorrosion anode with magnetic holddown
US4813277A (en) * 1987-03-30 1989-03-21 Amoco Corporation Method for collecting magnetizable particles in an above ground storage tank
US4813285A (en) * 1987-03-30 1989-03-21 Amoco Corporation Apparatus for establishing a clean interface in a leak detector
US4813269A (en) * 1987-03-30 1989-03-21 Amoco Corporation Magnetic interface contaminant collector for leak detector in above ground tank
US10690027B2 (en) * 2018-05-21 2020-06-23 Ford Global Technologies, Llc Attachment arrangement between rolling and rigid components in a vehicle engine bay

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