Tree processing apparatus

Details Tree processing apparatus Tree processing apparatus

1980-01-17

1981-09-29

Bray, W. D.

Woodworking

Special-work machine

B27L 100

Patent

active

042917344

ABSTRACT:
Apparatus for handling drive cables and hoses used on a tree processing apparatus (10) wherein a processing head (14) travels along a horizontal boom structure (12). The processing head extend cable system (46) includes a single cable (80) which is attached at one end to the processing head and is reeved over sheaves (66, 68) attached to a hydraulic cylinder output member (55), over stationary idler sheaves (82, 86) over an adjustable idler sheave (84) and is attached at the other end to the processing head. The retract cable system (48) includes a single cable (89) which is attached at one end to the processing head, is reeved over a stationary idler sheave 93, over a sheave (70) attached to the output member (55), and is fixed at the other end to the boom structure. The adjustable idler sheave (84) is attached to a member (92) which can be adjusted relative to the boom to adjust the tension in both cables (80, 89). The hoses (106, 107, 108) which travel with the processing boom are connected at one end to the processing boom and are reeved over stationary idler sheaves (114, 115, 116), over sheaves (72, 73, 74) which are attached to the output member (55), and are attached at the other end to the boom structure. The hose tension is also adjustable by means of the member (92).

REFERENCES:
patent: 3894568 (1975-07-01), Nindsor
patent: 4109689 (1978-08-01), Castine
patent: 4226270 (1980-10-01), Sturtz, Jr. et al.

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