Patent US3762740A successfully refreshed from Google Patents.
US3762740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boot seal constructions for rack and pinion gear
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1971-11-09
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Granted: 1973-10-02
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Expires: 1991-11-09
Abstract
Abstract A boot seal for rack and pinion steering gear assemblies having an integrally formed attachment opening for a fluid transfer tube, the opening being formed either as a nipple on the boot seal or as a clamp associated opening through the end of the seal.
Inventors
- 👤 R Cass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:29
CPC Classifications
B; B62; B62D; B62D3/00; B62D3/02; B62D3/12
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
96 words
In a steering linkage having two spaced-apart boot seals, the seals sealing an area which includes the juncture of two relatively axially movable telescoped members, opposite ends of the seals attached one end to one of the members, the other end to the other member, the seals capable of changing in internal volume, and a fluid transfer tube communicating the interiors of the seals to transfer fluid from one seal to the other, the improvement of porting the interior of the tube to the interior of the seals through openings through the bodies of the seals.
Claim 2
Dependent Claim
96 words
In a steering linkage having two spaced-apart boot seals, the seals sealing an area which includes the juncture of two relatively axially movable telescoped members, opposite ends of the seals attached one end to one of the members, the other end to the other member, the seals capable of changing in internal volume, and a fluid transfer tube communicating the interiors of the seals to transfer fluid from one seal to the other, the improvement of porting the interior of the tube to the interior of the seals through openings through the bodies of the seals.
Claim 3
Dependent Claim
40 words
The improvement of claim 1 wherein the molded opening constitutes a nipple on an outer surface of the seal, the nipple having an opening therethrough to the interior of the seal, the nipple receiving the end of the transfer tube.
Claim 4
Dependent Claim
33 words
The improvement of claim 1 wherein the opening is a molded opening through a portion in an axial end ring wall of the seal, the opening receiving an end of the transfer tube.
Claim 5
Dependent Claim
37 words
The improvement of claim 3 wherein said end of the said transfer tube is enclamped between a portion of the said end ring wall of the seal and a rigid member around which the seal is positioned.
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) | 1976-10-01 | 1977-04-02 | 1977-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-01 | 1981-04-02 | 1981-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-01 | 1985-04-02 | 1985-10-02 | $7700.00 | Window Closed / Lapsed |