Patent US3710902A successfully refreshed from Google Patents.
US3710902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-cooling clutch and brake
Assignee: Individual
•
Filing: 1971-11-26
•
Granted: 1973-01-16
•
Expires: 1991-11-26
Abstract
Abstract A rod which operates the disks of a clutch or brake is provided at its ends with pistons which, in each operation, pump coolant from a sump and eject it onto the disks for the cooling thereof. The same pistons may constitute fluid pressure means for the operation of the rod.
Inventors
- 👤 Q Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:05
CPC Classifications
F; F16; F16D; F16D67/00; F16D67/02; F16D67/04
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
122 words
A combination brake and clutch which comprises a pair of coaxial disks packs, yoke means including a yoke and a ring pivotally mounted on diametrically opposite sides within said yoke, said yoke means located between said packs and including a pressure plate selectively engageable with said packs, yoke actuating means disposed at one side of said packs and connected to said yoke, a reaction rod disposed at the other side of said packs and with which said yoke is pivotally connected, a housing enclosing said packs and through which said yoke actuating means extends substantially parallel to the axis of said packs, and fluid-operated means outside of the housing and to which said yoke actuating means is connected externally of the housing.
Claim 2
Dependent Claim
122 words
A combination brake and clutch which comprises a pair of coaxial disks packs, yoke means including a yoke and a ring pivotally mounted on diametrically opposite sides within said yoke, said yoke means located between said packs and including a pressure plate selectively engageable with said packs, yoke actuating means disposed at one side of said packs and connected to said yoke, a reaction rod disposed at the other side of said packs and with which said yoke is pivotally connected, a housing enclosing said packs and through which said yoke actuating means extends substantially parallel to the axis of said packs, and fluid-operated means outside of the housing and to which said yoke actuating means is connected externally of the housing.
Claim 3
Dependent Claim
42 words
A combination brake and clutch according to claim 1 in which driving and driven shafts are in coaxial alignment at opposite ends of the disk packs, the actuating means including a rod substantially parallel with said shafts and connected with said yoke.
Claim 4
Dependent Claim
35 words
A combination brake and clutch according to claim 1 in which said housing comprises two parts having abutting surfaces on a plane between said packs and to which the axis of said packs is normal.
Claim 5
Dependent Claim
62 words
A combination brake and clutch according to claim 3 in which the two parts of said housing are respectively provided with bearing sleeves through which the said actuating rod extends, the fluid-operated means comprising cylinders externally connected with separate parts of the housing and enclosing said sleeves, and pistons reciprocable in said cylinders and connected to the ends of the actuating rod.
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) | 1976-01-16 | 1976-07-17 | 1977-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-16 | 1980-07-17 | 1981-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-16 | 1984-07-17 | 1985-01-16 | $7700.00 | Window Closed / Lapsed |