Patent US3144790A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3144790A Expired / Lapsed US ⏱️ 0.0 years remaining

Gear type transmissions

Assignee: BERGEN RES ENGINEERING CORP
•
Filing: 1961-04-13
•
Granted: 1964-08-18
•
Expires: 1981-04-13
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Jr Charles S Davis
  • 👤 Stanley W Baker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 17:15
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/28; F16H1/2809; F16H1/2845; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19628

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 254 words
A SPEED REDUCER COMPRISING A TORQUE TRANSMITTING SHAFT AND AN OUTPUT SHAFT AXIALLY ALIGNED THEREWITH, A FIXED ORBIT GEAR, A CARRIER MOUNTED ON SAID OUTPUT SHAFT AND ROTATING THEREWITH, SAID CARRIER HAVING SIX ROTATABLE SPUR GEARS MESHING WITH SAID ORBIT GEAR TO ROTATE SAID CARRIER ON APPLICATION OF TORQUE THERETO, THREE PLANET GEARS EACH MOUNTED ON A RESPECTIVE SPUR GEAR POSITIONED 120 DEGREES TO ONE ANOTHER, A SECOND SET OF THREE PLANET GEARS MOUNTED ON THE THREE REMAINING SPUR GEARS AT 120 DEGREES TO ONE ANOTHER, MEANS FOR MOUNTING SAID TORQUE TRANSMITTING SHAFT TO HAVE AN END DEVIATING FROM THE ALIGNED AXIS ON APPLICATION OF LOW RADIAL PRESSURES THERETO, SAID END HAVING A RADIAL FLANGE WITH THREE BEAMS EXTENDING GENERALLY LONGITUDINAL TO SAID TORQUE TRANSMITTING SHAFT AND ON EACH SIDE OF SAID FLANGE AND HAVING A LIMITED UNIVERSAL MOVEMENT RELATIVE TO SAID FLANGE, TWO SUN GEARS MOUNTED ON OPPOSITE ENDS OF SAID BEAMS TO MOVE RADIALLY AND CIRCUMFERENTIALLY WITH RESPECT TO EACH OTHER AND SAID FLANGE, ONE SUN GEAR ENGAGING ONE SET OF PLANET GEARS WITH THE CENTER OF TOOTH CONTACT IN ALIGNED RELATION WITH THE END OF THE BEAM ENGAGING SAID ONE SUN GEAR AND THE OTHER SUN GEAR ENGAGING THE OTHER SET OF PLANET GEARS WITH THE CENTER OF TOOTH CONTACT IN ALIGNED RELATION WITH THE OTHER END OF THE BEAM ENGAGING SAID OTHER SUN GEAR TO HAVE THE FORCES ON EACH SIDE OF THE FLANGE BALANCED AND TO EQUALIZE THE TORQUE SUPPLIED BETWEEN SAID SUN GEARS AND SAID RESPECTIVE PLANET GEARS.
Claim 2
Dependent Claim 254 words
A SPEED REDUCER COMPRISING A TORQUE TRANSMITTING SHAFT AND AN OUTPUT SHAFT AXIALLY ALIGNED THEREWITH, A FIXED ORBIT GEAR, A CARRIER MOUNTED ON SAID OUTPUT SHAFT AND ROTATING THEREWITH, SAID CARRIER HAVING SIX ROTATABLE SPUR GEARS MESHING WITH SAID ORBIT GEAR TO ROTATE SAID CARRIER ON APPLICATION OF TORQUE THERETO, THREE PLANET GEARS EACH MOUNTED ON A RESPECTIVE SPUR GEAR POSITIONED 120 DEGREES TO ONE ANOTHER, A SECOND SET OF THREE PLANET GEARS MOUNTED ON THE THREE REMAINING SPUR GEARS AT 120 DEGREES TO ONE ANOTHER, MEANS FOR MOUNTING SAID TORQUE TRANSMITTING SHAFT TO HAVE AN END DEVIATING FROM THE ALIGNED AXIS ON APPLICATION OF LOW RADIAL PRESSURES THERETO, SAID END HAVING A RADIAL FLANGE WITH THREE BEAMS EXTENDING GENERALLY LONGITUDINAL TO SAID TORQUE TRANSMITTING SHAFT AND ON EACH SIDE OF SAID FLANGE AND HAVING A LIMITED UNIVERSAL MOVEMENT RELATIVE TO SAID FLANGE, TWO SUN GEARS MOUNTED ON OPPOSITE ENDS OF SAID BEAMS TO MOVE RADIALLY AND CIRCUMFERENTIALLY WITH RESPECT TO EACH OTHER AND SAID FLANGE, ONE SUN GEAR ENGAGING ONE SET OF PLANET GEARS WITH THE CENTER OF TOOTH CONTACT IN ALIGNED RELATION WITH THE END OF THE BEAM ENGAGING SAID ONE SUN GEAR AND THE OTHER SUN GEAR ENGAGING THE OTHER SET OF PLANET GEARS WITH THE CENTER OF TOOTH CONTACT IN ALIGNED RELATION WITH THE OTHER END OF THE BEAM ENGAGING SAID OTHER SUN GEAR TO HAVE THE FORCES ON EACH SIDE OF THE FLANGE BALANCED AND TO EQUALIZE THE TORQUE SUPPLIED BETWEEN SAID SUN GEARS AND SAID RESPECTIVE PLANET GEARS.

References Cited (Backward Citations)

FR958710A Cited
US1225360A Cited
US1437913A Cited
US1624416A Cited
US1503919A Cited
DE444697C Cited
US2487952A Cited
US2516077A Cited
US2700311A Cited
US3021731A Cited
US2749778A Cited
US2844052A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-08-18 1968-02-17 1968-08-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-08-18 1972-02-17 1972-08-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-08-18 1976-02-17 1976-08-18 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag