Patent · US Expired

Apparatus for trimming trees

US4355497A · kind A · utility

11Cited by
6References
12Claims
0Family size

Inventor

Key dates

Filing dateJan 5, 1981
Grant dateOct 26, 1982
Priority date
Expiry dateJan 5, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S56/15
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Apparatus for trimming Christmas trees or the like to a uniform configuration. The apparatus includes a self-leveling cutter support frame, and a number of knive-like cutting blades mounted on the frame for rotation at high speed. The cutting frame is selectably extendable to accommodate trees having a range of lengths.

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