Patent · US Expired

Apparatus for pulling elongated workpieces

US4119254A · kind A · utility

4Cited by
2References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 12, 1977
Grant dateOct 10, 1978
Priority date
Expiry dateJan 12, 1997

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H25/122
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

Apparatus for pulling elongated workpieces and which apparatus includes a pair of reciprocating clamping devices disposed in a side-by-side relationship and movable in towing and return directions. Elongated rotatable drive shafts extending parallel to the pulling and return directions include helical pulling and return drive paths. Drive path followers on each clamping device switch between the pulling drive path and return drive path for reciprocating the clamping devices.

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