Patent · US Expired

Cutting tool holder retention system

US5769505A · kind A · utility

17Cited by
11References
51Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 24, 1996
Grant dateJun 23, 1998
Priority date
Expiry dateApr 24, 2016

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21C35/191
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An excavation cutting tool holder retention system. The cutting tool holder retention system includes a cutting tool holder having a holder engagement surface and a support block having a tool holder bore into which the cutting tool holder is inserted. A pin having a pin engagement surface is movably mounted to the support block. At least one of the holder and pin engagement surfaces defines an inclined surface such that when the pin is moved the pin engagement surface will wedgingly engage the holder engagement surface so as to draw the shank portion of the cutting tool holder into the tool holder bore.

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