Lubricating means for machine tool spindles

• US 3,104,921 A
• Filed: 03/17/1961
• Issued: 09/24/1963
• Est. Priority Date: 03/17/1961
• Status: Expired due to Term

• Current Assignee: Harold F. Newcomer
• Original Assignee: Harold F. Newcomer
• Inventors: Newcomer, Harold F.
• Application Number:
  US04/096,451
• Time in Patent Office: 921 Days
• US Class Current: 384/213
• CPC Class Codes: F16C 33/103 retained in or near the bearing
• CPC Class Codes: F16N 2210/14 Bearings
• CPC Class Codes: F16N 7/36 with feed by pumping action of the member to be lubricated or of a shaft of the machine; Centrifugal lubrication

Claims

1. A SPINDLE MOUNTING FOR A MACHINE TOOL COMPRISING A HOUSING, AXIALLY SPACED BEARINGS IN SAID HOUSING, A SPINDLE ROTATABLY MOUNTED IN SAID BEARINGS, SAID HOUSING INCLUDING A RESERVOIR CONTAINING A BODY OF LUBRICANT IN WHICH SAID SPINDLE AND SAID BEARINGS ARE SUBMERGED, MEANS FOR CIRCULATING SAID LUBRICANT TO SAID BEARINGS COMPRISING A CYLINDRICAL MEMBER SURROUNDING SAID SPINDLE IN RADIALLY SPACED RELATION TO SAID SPINDLE TO PROVIDE A PUMPING CHAMBER IN WHICH A PORTION OF THE LUBRICANT ROTATES WITH THE SPINDLE, AND HAVING A LONGITUDINAL OPENING TO PROVIDE AN INLET TO SAID PUMPING CHAMBER, A PORTION OF SAID CYLINDRICAL MEMBER ADJACENT SAID OPENING BEING TURNED INWARDLY TO DEFLECT THE LUBRICANT ROTATING WITH SAID SPINDLE IN THE DIRECTION OF SAID BEARINGS.