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Class 212/80 - Double tackle


Subclass of Class 212 - Traversing hoists
Definition: Dumping draft-rope hoists of the above type in which the
No. of patents: 4
Last issue date: 07/12/1988


NumberTitleIssue Date
4756431Radio control aerial automatic carrying system
There is a radio control aerial automatic carrying system for carrying an object such as cut woods by a carrying apparatus suspended to a cableway. This system comprises: an aerial main cableway suspended in a desired felling region; drive wheels suspende...
07/12/1988
4754886Radio control aerial automatic carrying system
There is a radio control aerial automatic carrying system for carrying an object by a carrying apparatus suspended to a cableway. This system comprises: an aerial main cableway for suspending the carrying apparatus; running wheels suspended to the aerial ...
07/05/1988
4629079Transport carriage
An improved carriage for use in a skyline logging system simultaneously utilizing more than one load cable wth the same carriage for connecting to and dragging separate "turns" of logs from the area in which they were felled to a landing area next to the ...
12/16/1986
4500004Transport carriage
An improved carriage for use in a skyline logging system simultaneously utilizing more than one load cable with the same carriage for connecting to and dragging separate "turns" of logs from the area in which they were felled to a landing area next to the...
02/19/1985
 
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