US1679189A - Micrometer attachment for adjusting tools - Google Patents

Micrometer attachment for adjusting tools Download PDF

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Publication number
US1679189A
US1679189A US181287A US18128727A US1679189A US 1679189 A US1679189 A US 1679189A US 181287 A US181287 A US 181287A US 18128727 A US18128727 A US 18128727A US 1679189 A US1679189 A US 1679189A
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Prior art keywords
micrometer
attachment
adjusting tools
fixed contact
micrometer attachment
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Expired - Lifetime
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US181287A
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Albert H Wadell
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/18—Micrometers

Definitions

  • the contact of the micrometer is brought down to the proper reading and in cont-act with the element so that the adjustment is not only accurate but is quickly accomplished.
  • Figure 1 is a side view of the attachment show-n mounted on a micrometer which is illustrated in dotted outline.
  • Figure 2 is a front view of the device shown in Figure 1.
  • Figure 3 is a vertical central section of the attachment with the bottom part of the micrometer shown in elevation.
  • Figure 4 is a top view 5 of the device and
  • Figure 5 is a section taken on line 5 -5 in Figure 2. 7
  • the invention can be used with variousinstruments of precision but the usual instrument is a micrometer which is shown at 10 in the drawing and is of the usual form with the movable con 'tact 11 at one end for adjustment and the fixed contact 12 on the other end for support or abutment of the article to be measured.
  • My improvement consists of a. member that is placed on the fixed contact of the micrometer and has its upper face, that is, the face opposite to the plunger 11 formed so that it will engage the periphery of a cylindrical element such as a shaft, this face either being arcuate or provided with separated contact points.
  • FIG. 1 shows the member consisting of an arcuate plate 13, the upper face 14 of which receives the shaft 15in order that the tool 16 can be arcuately placed as to the distance it is to project from the shaft to finish a certain size bearing or hole.
  • a member or attachment is readily attachable or detachable as they are interchangeable for various sizes of shafts or bearings and the form illustrated is secured to the fixed contact 12 by means of a screw at 17 with the handle 18, the screw being adapted to bear on the bottom of the fixed contact 12 and is in screw-threaded engagement with the cross-arm 19 which with the up-right posts 20 forms a stirrup.
  • the top part of the attachment is held against any side movement by the engagement of the side walls of the depression or recess 21 with the usual slight projection or lug 22 which is a part of the fixed contact of the usual standard micrometer.
  • attachments are marked with a constant which indicates to anyone skilled in the art the excess of measurement I between the center of the radius and the face 14: and the end of the tool 16.
  • An attachment for micrometers comprising a member having an arcuate plate at the top, a stirrup projecting downwardly therefrom, and a screw passing through the bot- 75 tom of the stirrup whereby the fixed contact of a micrometer can be clamped between the screw and the bottom of the plate.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Massaging Devices (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Description

July 31, 1928.
A. H. WADELL M'IQRQMETER ATTACHMENT FOR ADJUSTING TOOLS Filed April 6, 19 27 INVENTOR I mam-1,1. $2.016,
ATTO EY Patented July 31, 1928.
UNITED STATES ALBERT H. WADELL, OI NEWARK, NEW JERSEY.
MICROMETER ATTACHMENT FOR ADJUSTING TOOLS- Application filed April 6, 1927. Serial No. 181,287.
the contact of the micrometer is brought down to the proper reading and in cont-act with the element so that the adjustment is not only accurate but is quickly accomplished.
The invention is illustrated in the accompanying drawings in which Figure 1 is a side view of the attachment show-n mounted on a micrometer which is illustrated in dotted outline. Figure 2 is a front view of the device shown in Figure 1. Figure 3 is a vertical central section of the attachment with the bottom part of the micrometer shown in elevation. Figure 4 is a top view 5 of the device and Figure 5 is a section taken on line 5 -5 in Figure 2. 7
It will be evident that the invention can be used with variousinstruments of precision but the usual instrument is a micrometer which is shown at 10 in the drawing and is of the usual form with the movable con 'tact 11 at one end for adjustment and the fixed contact 12 on the other end for support or abutment of the article to be measured. My improvement consists of a. member that is placed on the fixed contact of the micrometer and has its upper face, that is, the face opposite to the plunger 11 formed so that it will engage the periphery of a cylindrical element such as a shaft, this face either being arcuate or provided with separated contact points.
In the drawing I show the member consisting of an arcuate plate 13, the upper face 14 of which receives the shaft 15in order that the tool 16 can be arcuately placed as to the distance it is to project from the shaft to finish a certain size bearing or hole. A member or attachment is readily attachable or detachable as they are interchangeable for various sizes of shafts or bearings and the form illustrated is secured to the fixed contact 12 by means of a screw at 17 with the handle 18, the screw being adapted to bear on the bottom of the fixed contact 12 and is in screw-threaded engagement with the cross-arm 19 which with the up-right posts 20 forms a stirrup. The top part of the attachment is held against any side movement by the engagement of the side walls of the depression or recess 21 with the usual slight projection or lug 22 which is a part of the fixed contact of the usual standard micrometer.
In the practice of using these attachments for certain radii, the attachments are marked with a constant which indicates to anyone skilled in the art the excess of measurement I between the center of the radius and the face 14: and the end of the tool 16.
I claim:
An attachment for micrometers compris ing a member having an arcuate plate at the top, a stirrup projecting downwardly therefrom, and a screw passing through the bot- 75 tom of the stirrup whereby the fixed contact of a micrometer can be clamped between the screw and the bottom of the plate.
In testimony whereof I aflix my signature.
ALBERT H. WADELL.
US181287A 1927-04-06 1927-04-06 Micrometer attachment for adjusting tools Expired - Lifetime US1679189A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432160A (en) * 1943-08-17 1947-12-09 Paul W Johnson Screw thread analyzer gage
US2521505A (en) * 1946-09-04 1950-09-05 Tubular Rivet And Stud Company Apparatus for assembling rivet setting anvils
US2521428A (en) * 1945-10-01 1950-09-05 Vizuete Bennie V-block attachment for micrometers
DE3300877A1 (en) * 1983-01-13 1984-07-19 Bruns, Jan Device for measuring and adjusting metal-cutting tools, such as cutting tools or the like, held on boring bars of machine tools

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2432160A (en) * 1943-08-17 1947-12-09 Paul W Johnson Screw thread analyzer gage
US2521428A (en) * 1945-10-01 1950-09-05 Vizuete Bennie V-block attachment for micrometers
US2521505A (en) * 1946-09-04 1950-09-05 Tubular Rivet And Stud Company Apparatus for assembling rivet setting anvils
DE3300877A1 (en) * 1983-01-13 1984-07-19 Bruns, Jan Device for measuring and adjusting metal-cutting tools, such as cutting tools or the like, held on boring bars of machine tools

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