US3268197A - Clamping device for measuring instruments - Google Patents

Clamping device for measuring instruments Download PDF

Info

Publication number
US3268197A
US3268197A US360024A US36002464A US3268197A US 3268197 A US3268197 A US 3268197A US 360024 A US360024 A US 360024A US 36002464 A US36002464 A US 36002464A US 3268197 A US3268197 A US 3268197A
Authority
US
United States
Prior art keywords
dovetail
groove
clamping
instrument
clamping device
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
US360024A
Other languages
English (en)
Inventor
Mahr Carl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of US3268197A publication Critical patent/US3268197A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
    • G01B5/0004—Supports

Definitions

  • This invention relates to a clamp device for measuring instruments of the detector lever type by means of which the instrument can be rapidly and dependably clamped, without a special tool and special aids and in accordance with the conditions of use of the instrument, by its casing sides on which are provided dovetail-shaped bars.
  • Clamping devices for detector lever measuring instruments provided with dovetail bars, consisting of a clamping stem and a clamp member having a dovetail-shaped groove, are known in themselves.
  • the clamping device comprises a clamp member having a dovetail groove for sliding engagement with dovetail bars on the casing of the instrument and having a bore, extending from the dovetail groove to the opposite side of the clamp member, with an internal thread for screwing-in the actual clamping stern.
  • Another construction provides a firm connection of the clamp member with a dovetail shaped groove and the actual clamping stem.
  • the clamp member is slotted at right-angles to the path of the groove and a lateral clamp screw passes through it. This screw is tightened in order to effect clamping, whereby the halves of the clamp member, which are partly separated by the slot, are drawn together.
  • This construction also has the disadice vantage that a tool, for example a screwdriver, is required.
  • the clamp device is composed of two parts, namely the actual clamping ing of the instrument.
  • Another advantage lies in the ease of manufacture of the two parts, which are relatively simple in shape, which compose the clamping device for detector lever measuring instruments according to the present invention.
  • FIGURES 1 and 2 are respectively a side and end elevation of a detector lever measuring instrument with the clamping device in position
  • FIGURE 3 is an elevation of the clamping device on an enlarged scale.
  • the detector lever measuring instrument comprises a body part or casing 1 mounting a sensing lever 2 and an indicator dial 3, the body 1 being provided with dovetail-section slide bars 4 and 4', by means of which the instrument can be mounted in any desired manner in accordance with the conditions of use of the instrument.
  • the clamping device of this invention comprises a post or stem 7 having at one end a correspondingly dovetail-section groove 5 for engagement with either of the bars 4 or 4'.
  • the post 7 is externally screwthreaded, the threaded portion, which is directly below the groove 5, being indicated at 6.
  • a set collar 8 which has an internal screwthread and is screwed on to the threaded portion 6 of the stem, is provided with a shoulder 10 having a large bearing surface.
  • the set collar 8 is tightened until its shoulder 10 bears against the end face 11 or 11 of the dovetail bar, whereby the dovetail surfaces 12 and 12 are drawn into tight friction contact with the respective surfaces of the dovetail bar. It will be found that even with moderate tightening by hand alone, clamping in any desired position is possible.
  • a clamping device for a measuring instrument of the detecting lever type said instrument having a dovetailsection slide bar with the sloped surf-aces forming said dovetail-section parallel to the longitudinal axis of said bar, which comprises a post having a dovetail groove 'at one end to accommodate said slide bar and external threads adjacent said end, the sloped faces forming said dovetail groove being parallel to the longitudinal axis thereof and rigidly secured to said post and a set collar having a bearing surface facing said groove end screwed onto said threads so that said bearing surface engages firmly a slide bar accommodated in said groove at substantially any lateral position with respect thereto to interlock said bar and said groove.
  • a clamping device according to claim 1 wherein said set collar has an outer diameter substantially greater than the diameter of said post provided with a gripping surface.
  • a measuring instrument of the detector lever type having at least one exteriorly mounted dovetail-section slide bar with the sloped surfaces forming said dovetail-section parallel to the longitudinal axis of said bar, a post having a dovetail groove at one end and external threads adjacent said grooved end, the sloped faces forming said dovetail groove being parallel to the longitudinal axis thereof and rigidly secured to said post, and a set collar having internal threads corresponding to said post threads, said slide bar being fitted in said groove, and said collar being screwed onto said post and engaging said slide bar to apply locking pressure between said bar and said groove at substantially any lateral position With respect thereto.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Clamps And Clips (AREA)
US360024A 1963-09-27 1964-04-15 Clamping device for measuring instruments Expired - Lifetime US3268197A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM0058351 1963-09-27

Publications (1)

Publication Number Publication Date
US3268197A true US3268197A (en) 1966-08-23

Family

ID=7309189

Family Applications (1)

Application Number Title Priority Date Filing Date
US360024A Expired - Lifetime US3268197A (en) 1963-09-27 1964-04-15 Clamping device for measuring instruments

Country Status (3)

Country Link
US (1) US3268197A (de)
CH (1) CH403311A (de)
GB (1) GB985374A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5402584A (en) * 1993-12-06 1995-04-04 Kessler; Dennis B. Universal transfer gauge assembly and kit
FR2842133A1 (fr) * 2002-07-10 2004-01-16 Jma France "dispositif de comparaison de cles"
CN103090760A (zh) * 2013-01-31 2013-05-08 苏州东方模具科技股份有限公司 玻璃模具燕尾槽检测装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1061325A (en) * 1910-12-16 1913-05-13 Henry J Reinartz Embroidery-hoop support.
US2625746A (en) * 1946-10-30 1953-01-20 Joseph A Rudhart Adjustable indicator holder
US2823003A (en) * 1954-01-25 1958-02-11 Louis A Puggard Connecting means for tripodsupported devices
US2840334A (en) * 1954-03-04 1958-06-24 Cauthen David Tripod and camera interconnecting head
US3006052A (en) * 1959-01-13 1961-10-31 Donald B Stickney Instrument attaching device
US3054589A (en) * 1961-10-20 1962-09-18 Everett L Godsey Adjustable and rigidly positionable mounting device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1061325A (en) * 1910-12-16 1913-05-13 Henry J Reinartz Embroidery-hoop support.
US2625746A (en) * 1946-10-30 1953-01-20 Joseph A Rudhart Adjustable indicator holder
US2823003A (en) * 1954-01-25 1958-02-11 Louis A Puggard Connecting means for tripodsupported devices
US2840334A (en) * 1954-03-04 1958-06-24 Cauthen David Tripod and camera interconnecting head
US3006052A (en) * 1959-01-13 1961-10-31 Donald B Stickney Instrument attaching device
US3054589A (en) * 1961-10-20 1962-09-18 Everett L Godsey Adjustable and rigidly positionable mounting device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5402584A (en) * 1993-12-06 1995-04-04 Kessler; Dennis B. Universal transfer gauge assembly and kit
FR2842133A1 (fr) * 2002-07-10 2004-01-16 Jma France "dispositif de comparaison de cles"
CN103090760A (zh) * 2013-01-31 2013-05-08 苏州东方模具科技股份有限公司 玻璃模具燕尾槽检测装置
CN103090760B (zh) * 2013-01-31 2015-05-20 苏州东方模具科技股份有限公司 玻璃模具燕尾槽检测装置

Also Published As

Publication number Publication date
GB985374A (en) 1965-03-10
CH403311A (de) 1965-11-30

Similar Documents

Publication Publication Date Title
US4300271A (en) Clamping device for a sliding mount
US2463263A (en) Quick-acting screw actuated clamping device
US3307235A (en) Clamping device
US2456505A (en) Clamping unit for surface gauges or the like
US3492886A (en) Quick acting screw-threaded device
DE59501091D1 (de) Fräswerkzeug für die Holzbearbeitung, insbesondere Schlitz- oder Konterprofilscheibe
US3633949A (en) Device for securing a body to another body
US2408801A (en) "c" clamp
US3726532A (en) Collet chuck for a tap
SE1550562A1 (en) Indication means
US3268197A (en) Clamping device for measuring instruments
GB991783A (en) Improvements in and relating to nuts and bolts
US2447612A (en) Dial indicator mount for slide calipers
US2665489A (en) Adjusting device
GB1511801A (en) Locking nut
US2528201A (en) Clamp
US3751999A (en) Arrangement for mounting a push-button or the like on a control panel
GB993075A (en) Offset boring head
GB1118379A (en) Screw-threaded fastening device
US3101204A (en) Cable gland
US2773406A (en) Auxiliary jaws for vises
US2484458A (en) Combined locating pin and clamp
US3435869A (en) Threaded fastener assembly
GB1043363A (en) Improvements in or relating to ball couplings
US4575275A (en) Clamping device for attaching component which is inserted into a hole