Steerable power operated traction wheel unit

• US 3,223,192 A
• Filed: 08/16/1963
• Issued: 12/14/1965
• Est. Priority Date: 08/16/1963
• Status: Expired due to Term

• Current Assignee: Bernard B. Becker, Francis W. Dorion
• Original Assignee: Bernard B. Becker, Francis W. Dorion
• Inventors: Dorion, Francis W., Becker, Bernard B.
• Application Number:
  US04/302,574
• Time in Patent Office: 851 Days
• US Class Current: 180/13
• CPC Class Codes: B62B 3/0612 power operated
• CPC Class Codes: B62D 51/005 Vehicular characteristics of load handling vehicles, e.g. pedestrian trucks fork-lift trucks B66F9/06
• CPC Class Codes: B66F 9/07572 Propulsion arrangements

Claims

1. A STEERABLE POWER OPERATED TRACTION WHEEL UNIT FOR USE WITH A MATERIAL HANDLING TRUCK COMPRISING THE COMBINATION OF:

A CANTILEVER MEMBER EXTENDING OUTWARDLY FROM SAID TRUCK, SAID CANTILEVER MEMBER HAVING A PASSAGEWAY EXTENDING VERTICALLY THROUGH THE UNSUPPORTED DISTAL END THEREOF;

ANNULAR BEARING MEANS POSITIONED WITHIN SAID PASSAGEWAY;

A SUPPORT STRUT HAVING AN INTERMEDIATE SECTION WITH A GEAR CHAMBER AT ITS UPPER END AND A LATERALLY DISPOSED TUBULAR EXTENSION AT ITS LOWER END, SAID GEAR CHAMBER CONNECTED TO SAID TUBULAR EXTENSION BY A FULLY ENCLOSED PASSAGEWAY EXTENDING VERTICALLY THROUGH SAID INTERMEDIATE SECTION;

A PIVOT PIN FIXED RELATIVE TO SAID SUPPORT STRUT, SAID PIVOT PIN JOURNALED FOR ROTATION WITHIN SAID BEARING MEANS IN ORDER TO PIVOTALLY CONNECT SAID SUPPORT STRUT TO SAID CANTILEVER MEMBER;

A TRACTION MOTOR CARRIED BY THE UPPER END OF SAID SUPPORT STRUT;

AN AXLE JOURNALED FOR ROTATION WITHIN SAID TUBULAR EXTENSION;

A TRACTION WHEEL FIXED TO ONE END OF SAID AXLE;

A VERTICALLY DISPOSED DRIVE SHAFT JOURNALED FOR ROTATION WITHIN THE FULLY ENCLOSED PASSAGEWAY IN SAID INTERMEDIATE SECTION;

GEAR MEANS CONNECTING THE LOWER END OF SAID DRIVE SHAFT TO THE OTHER END OF SAID AXLE;

AND, A HORIZONTALLY ALIGNED GEAR TRAIN CONTAINED WITHIN SAID GEAR CHAMBER, SAID GEAR TRAIN BEING OPERATIVE TO CONNECT THE TRACTION MOTOR TO THE UPPER END OF SAID DRIVE SHAFT.