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US 10,591,033 B2Granted
Ball screw nut
AssigneeSchaeffler Technologies AG & Co. KG
InventorsDaniel Faber, Benjamin Wubbolt-Gorbatenko, Matthias Dohr, Fritz Kammerer
Life of this patent
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Abstract
A ball screw nut having a tubular sheet metal body with a thread profile and being optionally encapsulated in plastic. This sheet metal body is formed of a sheet metal part that includes the thread profile and a ball-returning piece inserted therein, which is designed as an additional sheet metal part.
Claims11
A method for producing a ball screw nut for a ball screw drive, the method comprising:
- providing a tubular sheet-metal part having a thread profile, the thread profile consisting of a single winding;
- generating a recess in the tubular sheet-metal part, the recess having an enclosed and elongated profile extending in an axial direction of the tubular sheet-metal part;
- and
- inserting a ball return piece made from sheet metal into the recess such that the ball return piece is open toward a spindle of the ball screw drive.
1 more element
Dependencies are inferred from the claim text.