Patent · US Expired

Sphere polisher

US5921851A · kind A · utility

4Cited by
4References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 8, 1997
Grant dateJul 13, 1999
Priority date
Expiry dateApr 8, 2017

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB24B11/06
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A sphere polisher capable of making uniform conditions under which balls are polished is provided. The inner and outer polishing circuits are defined by the grooves 23 provided on the rotative disc 10 and the fixed disc 20. The storage conveyor 50 is provided with an outer ball guiding passage 55 and an inner ball guiding passage 56. The ball supply chute 57 is provided with the inner chute portion 57a connecting the inner polishing circuits with the outer ball guiding passage 55, and the outer chute portion 57b connecting the outer polishing circuits with the inner ball guiding passage 56. The ball discharge chute 58 is provided with the inner discharge chute portion 58a connecting the inner polishing circuits with the inner ball guiding passage 56, and the outer discharge chute portion 58b connecting the outer polishing circuits with the outer ball guiding passage 57.

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