US3633556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guide device for multivalve-actuating bridge for an internal combustion engine
Assignee: UD Trucks Corp
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Filing: 1969-08-26
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Granted: 1972-01-11
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Expires: 1989-08-26
Abstract
Abstract In the valve mechanism for internal combustion engines, with each rocker arm actuating two or more valves through a bridge, a device for guiding the bridge comprising a flange rigidly fixed to a guide rod for guiding the bridge, said flange being mounted in a readily removable manner on the cylinder head and secured thereto by utilizing members of the valve mechanism.
Inventors
- 👤 Atsushi Inoue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:57
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/26; F02; F02B; F02B2275/00; F02B2275/34; F02F; F02F1/00; F02F1/24; F02F1/42; F02F1/4214; F02F2001/244; F02F2001/247
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
126 words
A guide device for guiding movement of a multivalve actuating bridge in an internal combustion engine of the type having a cylinder head, a pair of valves including stems slidably received through guide sleeves fitted into the cylinder head, and means for reciprocating said valve stems including a bridge being slidable on a guide rod and having a pair of arms for respectively sliding the valve stems through said guide sleeves: the guide device including a flange resting on the cylinder head and having a pair of apertures respectively receiving said valve guide sleeves, said guide rod rigidly connected to said flange and projecting upwardly therefrom, and releasable means including threads on the lower ends of said guide sleeves and nuts respectively engaged on said threads.
Claim 2
Dependent Claim
126 words
A guide device for guiding movement of a multivalve actuating bridge in an internal combustion engine of the type having a cylinder head, a pair of valves including stems slidably received through guide sleeves fitted into the cylinder head, and means for reciprocating said valve stems including a bridge being slidable on a guide rod and having a pair of arms for respectively sliding the valve stems through said guide sleeves: the guide device including a flange resting on the cylinder head and having a pair of apertures respectively receiving said valve guide sleeves, said guide rod rigidly connected to said flange and projecting upwardly therefrom, and releasable means including threads on the lower ends of said guide sleeves and nuts respectively engaged on said threads.
Claim 3
Dependent Claim
142 words
A guide device for guiding movement of a multivalve actuating bridge in an internal combustion engine of the type having a cylinder head, a pair of valves including stems slidably received through the cylinder head, and means for reciprocating said valve stems including a bridge having a pair of arms for respectively sliding the stem; the guide device including a removable flange resting on the cylinder head and having a pair of apertures respectively receiving said valve stems, a guide rod rigidly connected to said flange and projecting upwardly therefrom with said bridge being slidable on said guide rod, and removable means engaged on said flange for maintaining said flange on said cylinder head against movement, said cylinder head having a locating recess on the top surface thereof, and said guide rod projecting through said flange and received in said locating recess.
Claim 4
Dependent Claim
142 words
A guide device for guiding movement of a multivalve actuating bridge in an internal combustion engine of the type having a cylinder head, a pair of valves including stems slidably received through the cylinder head, and means for reciprocating said valve stems including a bridge having a pair of arms for respectively sliding the stem; the guide device including a removable flange resting on the cylinder head and having a pair of apertures respectively receiving said valve stems, a guide rod rigidly connected to said flange and projecting upwardly therefrom with said bridge being slidable on said guide rod, and removable means engaged on said flange for maintaining said flange on said cylinder head against movement, said cylinder head having a locating recess on the top surface thereof, and said guide rod projecting through said flange and received in said locating recess.
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) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |