US3582159A
Expired / Lapsed
US
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Machine bearing
Assignee: Heald Machine Co
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Filing: 1970-05-11
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Granted: 1971-06-01
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Expires: 1990-05-11
Abstract
Abstract This invention relates to a machine bearing and, more particularly, to a machine construction having hydrostatic ways.
Inventors
- 👤 Herbert R Uhtenwoldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:30
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C29/00; F16C29/02; F16C29/025
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
112 words
A machine bearing, comprising a. a first element having a pair of oppositely directed surfaces, b. a second element having a surface lying parallel to and slightly spaced from each of the said pair of surfaces to define a gap associated with each of the said pair of surfaces, a passage opening into each gap, and c. means regulating the flow of pressure fluid to each passage to maintain the thickness of the two gaps at a predetermined value, the said means including a secondary passage opening at one end into each gap adjacent the first-mentioned passage and connected at its other end to a shallow pocket located in the other gap.
Claim 2
Dependent Claim
112 words
A machine bearing, comprising a. a first element having a pair of oppositely directed surfaces, b. a second element having a surface lying parallel to and slightly spaced from each of the said pair of surfaces to define a gap associated with each of the said pair of surfaces, a passage opening into each gap, and c. means regulating the flow of pressure fluid to each passage to maintain the thickness of the two gaps at a predetermined value, the said means including a secondary passage opening at one end into each gap adjacent the first-mentioned passage and connected at its other end to a shallow pocket located in the other gap.
Claim 3
Dependent Claim
29 words
A machine bearing as recited in claim 1, wherein each said secondary passage includes a groove which is concentric with the opening of the first-mentioned passage onto its surface.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |