A hydraulic assist for a manual skyline lock

Cleveland J. Biller

Treesearch

A hydraulic assist for a manual skyline lock

Informally Refereed

Authors:

Cleveland J. Biller

Year:

1977

Type:

Research Note

Station:

Northern Research Station

Source:

Research Note NE-247. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 2p.

Download (PDF 126 KB)

Download (PDF 126 KB): https://research.fs.usda.gov/download/treesearch/19249.pdf

Abstract

A hydraulic locking mechanism was designed to replace the manual skyline lock on a small standing skyline with gravity carriage. It improved the efficiency of the operation by reducing setup and takedown times and reduced the hazard to the crew.

Citation

Biller, Cleveland J. 1977. A hydraulic assist for a manual skyline lock. Research Note NE-247. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 2p.