Patent US3877151A successfully refreshed from Google Patents.
US3877151A
Expired / Lapsed
US
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Method of checking horizontal spacings on a crankshaft
Assignee: Deutz Allis Corp
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Filing: 1973-10-15
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Granted: 1975-04-15
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Expires: 1993-10-15
Abstract
Abstract A method of measuring bearing surfaces and bearing spacings on a crankshaft by establishing a reference surface on the crankshaft supporting structure and pre-setting a zero position of a probe on a digital read-out at the reference surface. Upon establishing a zero reading, facings associated with the bearing are established at pre-set dimensions in accordance with standard crankshaft dimensions for providing necessary information for subsequent machining operations.
Inventors
- 👤 George W Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:49
CPC Classifications
F; F16; F16C; F16C29/00; F16C29/04; F16C29/06; F16C29/068; F16C29/0683; F16C29/0685; F16C29/0688; G; G01; G01B; G01B5/00; G01B5/14; Y; Y10; Y10T; Y10T82/00; Y10T82/19
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
180 words
The method of measuring axial dimensions on a crankshaft having a centering recess of a predetermined taper in each end of the crankshaft with at least one of said recesses having a predetermined axial position relative to an established point in the crankshaft, and crankshaft supporting structure having supporting cones of a complementary taper for supporting the crankshaft on its axis comprising the steps, aligning the axis of a crankshaft co-incidental with the axis of the crankshaft supporting structure, establishing a reference surface on the supporting structure a predetermined axial dimension from said established point on the crankshaft by firmly seating the supporting cones in the crankshaft recesses, providing a measuring device with a digital readout having a probe for measurement on an axis parallel with said crankshaft axis, presetting zero of the measuring device at the reference surface of the supporting structure, axially measuring bearing surfaces and establishing bearing positions on the crankshaft at predetermined dimensions from the references surface to thereby provide an aligning and measuring method for a crankshaft and to assure accuracy of subsequent machining operations.
Claim 2
Independent Claim
180 words
The method of measuring axial dimensions on a crankshaft having a centering recess of a predetermined taper in each end of the crankshaft with at least one of said recesses having a predetermined axial position relative to an established point in the crankshaft, and crankshaft supporting structure having supporting cones of a complementary taper for supporting the crankshaft on its axis comprising the steps, aligning the axis of a crankshaft co-incidental with the axis of the crankshaft supporting structure, establishing a reference surface on the supporting structure a predetermined axial dimension from said established point on the crankshaft by firmly seating the supporting cones in the crankshaft recesses, providing a measuring device with a digital readout having a probe for measurement on an axis parallel with said crankshaft axis, presetting zero of the measuring device at the reference surface of the supporting structure, axially measuring bearing surfaces and establishing bearing positions on the crankshaft at predetermined dimensions from the references surface to thereby provide an aligning and measuring method for a crankshaft and to assure accuracy of subsequent machining operations.
Claim 3
Dependent Claim
97 words
The method of measuring axial dimensions on a crankshaft having a centering recess of a predetermined taper in each end of the crankshaft with a predetermined axial position of at least one of said recesses and crankshaft supporting structure having supporting cones of a complementary taper for supporting the crankshaft on its axis comprising the steps as set forth in claim 1 providing a conical surface of the predetermined taper and a predetermined depth of one of the recesses and establishing a predetermined axial relationship between the conical surface and the axial center point on the crankshaft.
Claim 4
Dependent Claim
89 words
The method of measuring axial dimensions on a crankshaft having a centering recess of a predetermined taper in each end of the crankshaft with a predetermined axial position of at least one of said recesses and crankshaft supporting structure having supporting cones of a complementary taper for supporting the crankshaft on its axis comprising the steps as set forth in claim 1 providing the reference surface on said crankshaft supporting structure a predetermined dimension from the tapered surface of one of the supporting cones on said crankshaft supporting structure.
Claim 5
Dependent Claim
78 words
A method of measuring axial dimensions on a crankshaft having a centering recess of a predetermined taper in each end of the crankshaft with a predetermined axial position of at least one of said recesses and crankshaft supporting structure having supporting cones of a complementary taper for supporting the crankshaft on its axis comprising the steps as set forth in claim 1 including reciprocally moving said probe normal to the measuring axis to selectively engage the bearing surfaces.
Claim 6
Dependent Claim
107 words
A method of measuring axial dimensions on a crankshaft having a centering recess of a predetermined taper in each end of the crankshaft with a predetermined axial position of at least one of said recesses and crankshaft supporting structure having supporting cones of a complementary taper for supporting the crankshaft on its axis as set forth in claim 1 including preliminary aligning of the axis of the crankshaft by supporting the crankshaft in a resting position while firmly seating the supporting cones of said crankshaft supporting structure into the recesses in the ends of said crankshaft to center the crankshaft axis with the crankshaft supporting structure axis.
References Cited (Backward Citations)
US3417478A
Cited
US3624910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-04-14 | 1978-10-14 | 1979-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-14 | 1982-10-14 | 1983-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-14 | 1986-10-14 | 1987-04-15 | $7700.00 | Window Closed / Lapsed |