Patent US4555148A successfully refreshed from Google Patents.
US4555148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rectilinear guide comprising first and second members which are movable one within the other
Assignee: US Philips Corp
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Filing: 1984-11-28
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Granted: 1985-11-26
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Expires: 2004-11-28
Abstract
Abstract A rectilinear guide comprises a first member with a second member coaxially movable in the first member. One of the members comprises bearing elements and the other member comprises axial guide surfaces on which the bearing elements are movable, and which are disposed in planes containing the coinciding central axes of the two members.
Inventors
- 👤 Hans C. de Willigen
- 👤 Johannes E. Kokken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:24
CPC Classifications
F; F16; F16C; F16C29/00; F16C29/12; F16C29/04; F16C29/06; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/905
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
110 words
A rectilinear guide comprising first and second members arranged one within the other and of which one is movable rectilinearly relative to the other, the two members having coinciding central axes extending in the direction of the relative movement between the members, and at least two clusters of bearing elements which are arranged between said members, the clusters being spaced from one another in the direction of said axes and at least one of the members comprising guide surfaces which extend in the direction of said axes and on which the bearing elements are movable, characterized in that the guide surfaces are situated in planes which contain said coinciding axes.
Claim 2
Dependent Claim
110 words
A rectilinear guide comprising first and second members arranged one within the other and of which one is movable rectilinearly relative to the other, the two members having coinciding central axes extending in the direction of the relative movement between the members, and at least two clusters of bearing elements which are arranged between said members, the clusters being spaced from one another in the direction of said axes and at least one of the members comprising guide surfaces which extend in the direction of said axes and on which the bearing elements are movable, characterized in that the guide surfaces are situated in planes which contain said coinciding axes.
Claim 3
Dependent Claim
34 words
A rectilinear guide as claimed in claim 1, characterized in that at least one resilient element is arranged between the two members and urges the bearing elements and the guide surfaces towards each other.
Claim 4
Dependent Claim
30 words
A rectilinear guide as claimed in claim 1 or 2, characterized in that the bearing elements comprise rotary elements which cooperate with guide surfaces which are constructed as bearing surfaces.
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) | 1988-11-25 | 1989-05-27 | 1989-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-11-25 | 1993-05-27 | 1993-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-11-25 | 1997-05-27 | 1997-11-26 | $7700.00 | Window Closed / Lapsed |