Patent · US Active

Ball screw drive

US11493118B2 · kind B2 · utility

0Cited by
1References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 9, 2018
Grant dateNov 8, 2022
Priority date
Expiry dateNov 14, 2038

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H25/2418
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A ball screw drive includes two screw drive parts (3, 4), namely a lead screw (3) and a nut (4). The ball screw drive also includes a deflection element (6) for the individual deflection of balls (5) is inserted into a recess (7), formed by one of the screw drive parts (3, 4), such that a gap (16) is formed between the base (15) of the recess (7) and the deflection element (6), and such that lateral contact surfaces (17) of the deflection element (6) which are located next to the recess (7) rest on the screw drive part (3, 4).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.