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Method, apparatus, and system for controlling a timber-working device

a technology for working devices and timber, applied in wood working safety devices, applications, manufacturing tools, etc., can solve problems such as the danger of timber-working devices including chainsaws

Inactive Publication Date: 2014-04-10
WARATAH NZ
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present patent provides a method and system for controlling a timber-working device, such as a harvester head, to perform operations in a hazard zone. The system includes an orientation sensor associated with the device, which outputs a signal indicating the orientation of the device. The orientation sensor can be a magnetic sensor or an optical sensor, for example. The system receives the sensor signal and controls the operation of the device based on the orientation of the device. This allows for safer and more efficient operation in the hazard zone. The technical effect of the patent is to provide a system for controlling a timber-working device in a way that reduces the risk of injury or damage to the environment.

Problems solved by technology

A significant hazard associated with timber-working devices including a chainsaw is a phenomenon known as “chain shot”.

Method used

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  • Method, apparatus, and system for controlling a timber-working device
  • Method, apparatus, and system for controlling a timber-working device
  • Method, apparatus, and system for controlling a timber-working device

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Embodiment Construction

[0024]Throughout this specification, the word “comprise”, or variations thereof such as “comprises” or “comprising”, will be understood to imply the inclusion of a stated element, integer or step, or group of elements integers or steps, but not the exclusion of any other element, integer or step, or group of elements, integers or steps.

[0025]FIG. 1 illustrates a timber-working system including a carrier 1 for use in forest harvesting. The carrier 1 includes an operator cab 2 from which an operator (not shown) controls the carrier 1. The carrier 1 further includes an articulated arm 3, which has an articulated joint 4, as well as a further pivot point at the point of connection (not shown) to the carrier 1. A timber-working device in the form of a harvester head 5 is connected to the arm 3 of the carrier 1. Connection of the harvester head 5 to the arm 3 includes a rotator 6, configured to rotate the harvester head about the generally vertical axis of rotation marked by dashed line 7...

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Abstract

Method, apparatus, and system for operation of a timber-working device configured to perform at least one operation having an associated hazard zone. At least one signal from at least one orientation sensor associated with the timber-working head may indicate whether a predetermined location is within the hazard zone based on the orientation of the timber-working head. Operation of the timber-working head can be controlled based on the signal.

Description

[0001]This application claims priority to New Zealand Patent Application Number 602931 filed Oct. 10, 2012, the entire contents of which are incorporated herein by reference.FIELD OF THE DISCLOSURE[0002]The present disclosure relates to a method, apparatus, and system for controlling a timber-working device.BACKGROUND OF THE DISCLOSURE[0003]It is well-known to mount timber-working devices to a carrier vehicle in order to perform a number of operations in connection with timber processing. These operations may include one, or a combination of, grappling and felling a standing tree, delimbing a felled stem, debarking the stem, and cutting the stem into logs—commonly using at least one chainsaw.[0004]A significant hazard associated with timber-working devices including a chainsaw is a phenomenon known as “chain shot”. Chain shot results from the saw chain breaking, following which parts from the chain or other portions of the saw assembly are propelled at high velocity from the harvest...

Claims

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Application Information

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IPC IPC(8): A01G23/02B27G19/00
CPCB27G19/00A01G23/02A01G23/08B27G21/00
Inventor KAYE, BRETT JAMESMARRIAGE, CLINTON CHARLESJAMES, MICHAEL FRANCISLAWLER, RICHARD JOHN
Owner WARATAH NZ
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