Patent · US Expired

Automatic barrel winding mechanism

US3952498A · kind A · utility

2Cited by
1References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 26, 1974
Grant dateApr 27, 1976
Priority date
Expiry dateSep 26, 1994

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG04B5/12
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An automatic barrel winding mechanism of the unidirectional type in which the main feature resides in a substantially reduced torque ratio : 0.5 - 1.1 in combination with a substantially reduced reduction ratio : 1/60 - 1/126 of the barrel winding gear train for transmitting moton from the barrel-winding mass to the barrel.

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