Method for generating cam surfaces

• US 3,177,774 A
• Filed: 07/06/1962
• Issued: 04/13/1965
• Est. Priority Date: 01/23/1957
• Status: Expired due to Term

• Current Assignee: Farlow B. Burt
• Original Assignee: Farlow B. Burt
• Inventors: Burt, Farlow B.
• Application Number:
  US04/208,141
• Time in Patent Office: 1,012 Days
• US Class Current: 409/132
• CPC Class Codes: B23Q 27/00 Geometrical mechanisms for the production of work of particular shapes, not fully provided for in another subclass
• CPC Class Codes: Y10T 409/303808 including infeeding
• CPC Class Codes: Y10T 409/305768 with linear movement of work

Claims

1. THE METHOD OF MACHINING THE FLUID PRESSURE CHAMBER FORMING CAM MEMBER OF A VANE TYPE POSITIVE DISPLACEMENT FLUID HANDLING DEVICE, COMPRISING:

A MOVING A ROTATING CUTTING ELEMENT RADIALLY WITH RESPECT TO A ROTATING BLANK UNTIL A CYLINDRICAL SURFACE OF SAID PREDETERMINED DIAMETER IS FORMED;

THEREAFTER RECIPROCATING SAID ROTATING CUTTING ELEMENT RADIALLY WITH RESPECT TO SAID ROTATING BLANK ACCORDING TO A PREDETERMINED CYCLES;

AND GRADUALLY ADVANCING SAID RECIPROCATING CYCLE OF SAID CUTTING ELEMENT RADIALLY WITH RESPECT TO SAID CYLINDRICAL SUR-