US3209658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manually-adjustable reactive pressure control for brake booster motors
Assignee: Individual
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Filing: 1962-10-09
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Granted: 1965-10-05
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Expires: 1982-10-09
Abstract
No abstract record available.
Inventors
- 👤 Glenn T Randol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:24
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/46; B60T13/52; B60T13/573; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892; Y10T74/18936; Y10T74/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
A REACTION-TRANSMITTING MECHANISM ADAPTED FOR USE IN A PRESSURE DIFFERENTIAL MOTOR HAVING A HOUSING, A PRESSURE-RESPONSIVE POWER MEMBER MOVABLE IN SAID HOUSING, AN OUTPUT MEMBER ACTED ON BY SAID POWER MEMBER, VALVE MEANS HAVING COOPERATING FLUID-CONTROLLING PORTIONS CARRIED, RESPECTIVELY, BY SAID POWER MEMBER AND A PERSONALLY-CONTROLLED INPUT MEMBER, SAID CONTROL PORTIONS BEING RELATIVELY MOVABLE TO CONTROL DIFFERENTIAL PRESSURES ON SAID POWER MEMBER TO MOVE THE SAME, A PRESSURE AREA ASSOCIATED WITH SAID POWER MEMBER, A PRESSURE AREA ASSOCIATED WITH SAID INPUT MEMBER, AND WHICH IS RADIALLY SPACED FROM SAID FIRST-NAMED PRESSURE AREA, THE IMPROVEMENT WHICH COMPRISES: A FULCRUM MEMBER AXIALLY MOVABLE AS A UNIT WITH SAID OUTPUT MEMBER AND HAVING A PRESSURE AREA RADIALLY SPACED IN OFFSET PARALLEL RELATIONSHIP INTERMEDIATELY OF SAID PRESSURE AREAS ASSOCIATED WITH SAID POWER AND INPUT MEMBERS, RESPECTIVELY, SAID FULCRUM MEMBER BEING CHARACTERIZED BY RADIAL RECTILINEAR MOVEMENT RELATIVE TO THE AXIS OF SAID OUTPUT MEMBER; MECHANICAL CONNECTING MEANS OPERATIVELY INCORPORATED BETWEEN SAID FULCRUM AND OUTPUT MEMBERS FOR CONVERTING ROTARY MOVEMENT OF THE LATTER MEMBER INTO RECTILINEAR MOVEMENT OF THE FORMER MEMBER TO CHANGE THE LEVERAGE-RATIO EFFECTIVE BETWEEN THE FULCRUM PRESSURE AREA AND THE PRES-
Claim 2
Dependent Claim
188 words
A REACTION-TRANSMITTING MECHANISM ADAPTED FOR USE IN A PRESSURE DIFFERENTIAL MOTOR HAVING A HOUSING, A PRESSURE-RESPONSIVE POWER MEMBER MOVABLE IN SAID HOUSING, AN OUTPUT MEMBER ACTED ON BY SAID POWER MEMBER, VALVE MEANS HAVING COOPERATING FLUID-CONTROLLING PORTIONS CARRIED, RESPECTIVELY, BY SAID POWER MEMBER AND A PERSONALLY-CONTROLLED INPUT MEMBER, SAID CONTROL PORTIONS BEING RELATIVELY MOVABLE TO CONTROL DIFFERENTIAL PRESSURES ON SAID POWER MEMBER TO MOVE THE SAME, A PRESSURE AREA ASSOCIATED WITH SAID POWER MEMBER, A PRESSURE AREA ASSOCIATED WITH SAID INPUT MEMBER, AND WHICH IS RADIALLY SPACED FROM SAID FIRST-NAMED PRESSURE AREA, THE IMPROVEMENT WHICH COMPRISES: A FULCRUM MEMBER AXIALLY MOVABLE AS A UNIT WITH SAID OUTPUT MEMBER AND HAVING A PRESSURE AREA RADIALLY SPACED IN OFFSET PARALLEL RELATIONSHIP INTERMEDIATELY OF SAID PRESSURE AREAS ASSOCIATED WITH SAID POWER AND INPUT MEMBERS, RESPECTIVELY, SAID FULCRUM MEMBER BEING CHARACTERIZED BY RADIAL RECTILINEAR MOVEMENT RELATIVE TO THE AXIS OF SAID OUTPUT MEMBER; MECHANICAL CONNECTING MEANS OPERATIVELY INCORPORATED BETWEEN SAID FULCRUM AND OUTPUT MEMBERS FOR CONVERTING ROTARY MOVEMENT OF THE LATTER MEMBER INTO RECTILINEAR MOVEMENT OF THE FORMER MEMBER TO CHANGE THE LEVERAGE-RATIO EFFECTIVE BETWEEN THE FULCRUM PRESSURE AREA AND THE PRES-
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |