Patent US3750295A successfully refreshed from Google Patents.
US3750295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring machine
Assignee: WERKZEUGMASCH VEB
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Filing: 1971-07-22
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Granted: 1973-08-07
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Expires: 1991-07-22
Abstract
Abstract A measuring machine has two independently driven spindles mounted on two independently driven slides on an independently driven carriage, and a feeler device is mounted on each spindle and has a feeler for sensing a body to be measured, the feelers being connected by an electric measuring circuit with means for recording distances measured along the body.
Inventors
- 👤 E Nordmann
- 👤 G Erler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:37
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/004; G01B7/008
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
157 words
Measuring machine comprising supporting means for a workpiece body to be measured; at least one carriage means mounted on said supporting means for movement along a path; at least two slides mounted on said carriage means for independent movement transverse to said path; drive means for independently moving said carriage means and said slides, and including distance measuring devices; a spindle means mounted in each slide for rotation; at least one feeler device mounted at one end of each spindle means for measuring distances, each feeler device including a feeler means having a movable feeler adapted to be displaced by said body when in contact with the same; an operating means mounted on each slide for rotating and indexing the respective spindle means with the respective feelEr device; and an electric measuring circuit means including measuring means operated by said operating means and said measuring devices, and being responsive to displacements of said feelers by said body.
Claim 2
Dependent Claim
157 words
Measuring machine comprising supporting means for a workpiece body to be measured; at least one carriage means mounted on said supporting means for movement along a path; at least two slides mounted on said carriage means for independent movement transverse to said path; drive means for independently moving said carriage means and said slides, and including distance measuring devices; a spindle means mounted in each slide for rotation; at least one feeler device mounted at one end of each spindle means for measuring distances, each feeler device including a feeler means having a movable feeler adapted to be displaced by said body when in contact with the same; an operating means mounted on each slide for rotating and indexing the respective spindle means with the respective feelEr device; and an electric measuring circuit means including measuring means operated by said operating means and said measuring devices, and being responsive to displacements of said feelers by said body.
Claim 3
Dependent Claim
77 words
Measuring machine as claimed in claim 1 wherein the feeler device of one of said spindle means includes a carrier secured to said one end of one spindle means for turning movement with the same about a first spindle axis, a feeler slide supporting said feeler means and being mounted on said carrier for movement in directions radial to said first spindle axis, and actuating means for moving said feeler slide with said feeler means and feeler.
Claim 4
Dependent Claim
51 words
Measuring machine as claimed in claim 2 wherein said feeler means is mounted on said feeler slide in a position in which said feeler is parallel to said first spindle axis, and means on said carrier guiding said feeler slide for movement in a direction perpendicular to said first spindle axis.
Claim 5
Dependent Claim
49 words
Measuring machine as claimed in claim 2 wherein said feeler means is mounted on said feeler slide in a position in which said feeler is perpendicular to said first spindle axis, and means on said carrier guiding said feeler slide in a direction parallel to said first spindle axis.
Claim 6
Dependent Claim
103 words
Measuring machine as claimed in claim 2 wherein the other feeler device includes an other carrier secured to said one end of said other spindle means for rotation with the same about a second spindle axis, a feeler spindle mounted on said other carrier for rotation about a feeler axis perpendicular to said second spindle axis, wherein said feeler means of said other feeler device is mounted on one end of said feeler spindle in a position in which said feeler thereof is parallel with said feeler axis, and actuating means for rotating and indexing said feeler spindle mounted on said other carrier.
Claim 7
Dependent Claim
19 words
Measuring machine as claimed in claim 5 wherein said first and second spindle axes are parallel with each other.
Claim 8
Dependent Claim
98 words
Measuring machine as claimed in claim 1 wherein one feeler device includes a carrier secured to said one end of one spindle means for rotation with the same about a spindle axis, a feeler spindle mounted on said one carrier for rotation about a feeler axis perpendicular to said spindle axis, wherein said feeler means of said one feeler device is mounted on one end of said feeler spindle in a position in which said feeler thereof is parallel with said feeler axis, and actuating means for rotating and indexing said feeler spindle mounted on said one carrier.
Claim 9
Dependent Claim
89 words
Measuring machine as claimed in claim 1 wherein at least one of said feeler devices includes a carrier mounted at one end of one of said spindle means; a turret mounted on said carrier for angular movement about a turret axis perpendicular to the axis of said one spindle means, a plurality of feeler means mounted on said turret angularly spaced about said turret axis, and indexing means for stepwise turning said turret, and wherein said feeler means have feelers projecting perpendicularly to said turret axis from said carrier.
Claim 10
Dependent Claim
35 words
Measuring machine as claimed in claim 8 wherein at least one of said feelers is angular and has a feeler end portion perpendicular to said feeler axis and to said axis of said spindle means.
Claim 11
Dependent Claim
89 words
Measuring machine as claimed in claim 1 including transporting means for moving at least one of said slides in axial direction of the spindle means mounted therein for rotation; and coupling means operable for selectively coupling said transporting means with said drive means and said operating means of the respective spindle means so that when said operating means is connected with said transporting means, said slide moves said spindle means in axial direction in timed relation with the rotation of said spindle means and of said feeler device thereon.
Claim 12
Dependent Claim
154 words
Measuring machine as claimed in claim 1 wherein at least one of said feeler devices includes a carrier secured to one end of one of said spindle means, a feeler spindle mounteD in said carrier for rotation about a feeler axis, and having an end portion with a first attaching means located in said feeler axis, and wherein said feeler means includes an attaching portion having a central second attaching means engaging said first attaching means for frictionally holding said feeler means on said feeler spindle; and interengaging means on said end portion and said attaching portion spaced from said feeler axis for holding said feeler means in a predetermined angular position of said feeler shaft; wherein said electric measuring circuit means includes first and second electric conductors in said end portion and in said attaching portion, respectively; and plug and socket means connecting said first and second conductors in said predetermined angular position.
Claim 13
Dependent Claim
45 words
Measuring machine as claimed in claim 1 wherein said electric measuring circuit means include contact rings surrounding said end portions of said feeler spindle, and slide contacts in contact with said contact rings during rotation of said feeler spindle and connected with said measuring means.
Claim 14
Dependent Claim
83 words
Measuring machine as claimed in claim 1 wherein said supporting means include a movable table for supporting the body; wherein said drive means include a plurality of motors for driving said carriage means, slides, and table; wherein said electric measuring circuit means include first means responsive to movement of any one of said feelers to produce a voltage depending on the displacement of said one feeler, and second means for stopping at least one of said motors responsive to a predetermined produced voltage.
Claim 15
Dependent Claim
39 words
Measuring machine as claimed in claim 13 wherein said first means include an electric inductive bridge circuit; and wherein said one feeler is movable between two arms of said bridge circuit for varying the voltage of said bridge circuit.
Claim 16
Dependent Claim
32 words
Measuring machine as claimed in claim 1 wherein said measuring means include recording means, and means for selectively transmitting the movements of said spindle means, slides, and carriage to said recording means.
Claim 17
Dependent Claim
26 words
Measuring machine as claimed in claim 15 wherein said measuring circuit means include means for selectively transmitting the movements of said feelers to said recording means.
Claim 18
Dependent Claim
59 words
Measuring machine as claimed in claim 1 wherein said measuring means includes recording means; wherein said measuring circuit means include a rotary field generator operated by each drive means and by each operating means, and at least one rotary field receiver means connected with said rotary field generator for operating said recording means to register measured distances and angles.
Claim 19
Dependent Claim
27 words
Measuring machine as claimed in claim 17 wherein said measuring circuit means includes means for successively connecting said rotary field receiver means with said rotary field generators.
Claim 20
Dependent Claim
43 words
Measuring machine as claimed in claim 18 wherein said recording means include a recording device for linear movement, and a recording device for angular movement; and wherein said rotary field receiver means includes a rotary field receiver for each of said recording devices.
Claim 21
Dependent Claim
39 words
Measuring machine as claimed in claim 1 wherein said measuring circuit means connects said feelers with said drive means for controlling the same; and wherein said measuring means indicate measured distances and angles when said drive means are stopped.
Claim 22
Dependent Claim
114 words
Measuring machine as claimed in claim 1 wherein at least one of said feeler devices includes a carrier, a feeler means pivotally mounted on said carrier, a spring means biassing said feeler means to turn in one direction, and first two control means mounted on said carrier on opposite sides of said feeler means for generating signals when approached by said feeler means in different angular positions; and wherein said feeler means includes a support part between said control means, and a feeler pivotally mounted thereon, a spring biassing said feeler, and two second control means on said support part on opposIte sides of said feeler for generating signals upon movement of said feeler.
Claim 23
Dependent Claim
50 words
Measuring machine as claimed in claim 21 wherein said first control means are two switches operated by said feeler means and connected into said measuring circuit, and wherein said second control means are inductive windings varying the inductance thereof upon displacement of said feeler and connected into said measuring circuit.
Claim 24
Dependent Claim
40 words
Measuring device as claimed in claim 21 wherein said support part has a slide portion for sliding on the surface of a body, and wherein said feeler has a point engaging the surface of said body adjacent said slide portion.
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) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |