Woodworking – With use of control means energized in response to activator... – Including use of sensor responsive to information carried by...
Patent
1975-05-19
1977-08-09
Schran, Donald R.
Woodworking
With use of control means energized in response to activator...
Including use of sensor responsive to information carried by...
83 23, 83411R, 834252, 83112, B27B 100
Patent
active
040404595
ABSTRACT:
This invention relates to a log handling system for use in processing logs to be used in the paper pulp industry and in saw mill operations. More particularly, this invention includes a series of operable cutting means for cutting a log into a plurality of predetermined lengths. A log feeding means is operatively associated with the log cutting means for moving a log past the cutting means to effect the cutting operations. The log feeding means includes a ramp portion detailed for feeding logs by gravity to the log feeding means. The ramp portion includes a selectively movable section detailed for movement between a ramp log feeding position and an elevated position which will allow a log to be dropped onto a first conveying means for conveying selected logs away from the plurality of cutting means. The first conveyor means includes an operative stop means for stopping the selected logs at a predetermined location along the conveying route. A single operable cutting means is operatively associated with the first conveying means and located at a predetermined location away from the operative stop means and operable for cutting a log located on the first conveying means into a predetermined length for use in a saw mill operation. A pair of log ejecting means are operatively associated with the first conveying means for ejecting a log therefrom in selected opposite transverse directions. A second conveying means is supported on the system at a position below and adjacent the feeding means and has a plurality of cutting means for conveying the plurality of cut lengths of log away from the log handling system. Also, operatively associated with the plurality of cutting means is a collecting ramp for collecting the sawdust created in the cutting operation. The collecting ramp includes a third conveying means for conveying the collected sawdust away from the log handling system. The second conveying means used for moving the plurality of cut logs includes an adjustable end portion selectively movable in a vertical plane for depositing the length of cut logs on a collecting trolley at a plurality of vertically spaced positions.
REFERENCES:
patent: 1454992 (1923-05-01), Willette
patent: 2393617 (1946-01-01), De Spain
patent: 3502123 (1970-03-01), Golick et al.
patent: 3812951 (1974-05-01), Fullaway
Bush, Jr. Thomas P.
Grant Samuel Edward
Bush Manufacturing Company
Schran Donald R.
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