Cutting – With means to convey work relative to tool station – Plural passes of diminishing work piece through tool station
Patent
1982-09-20
1987-10-06
Schran, Donald R.
Cutting
With means to convey work relative to tool station
Plural passes of diminishing work piece through tool station
83712, 83731, 83409, 834252, 834351, 834352, 144378, B27B 2908, B27B 1508
Patent
active
046974873
ABSTRACT:
An end-dogging log carriage system has two narrow, carriage sections, supportably guided on an elongated track, interconnected by a drive cable and a clamping cable. Both cables are wrapped around a spooling drum mounted on one of the carriage sections in such a way so that rotation of the spooling drum simultaneously changes the operative length of both clamping and drive cables thereby moving one carriage section with respect to the other to adjust the length of the log carriage and clamp a log therebetween. The tension in the cable system acting at the cable attachment points on each carriage section provides therein a preinduced countermoment in opposition to the dogging moment occurring when a log is dogged. The carriage sections are laterally biased against a single sidemounted guide rail spaced from the supporting track and discontinuous proximate the saws by a preloaded torque shaft mounted on each carriage section. Each carriage section has selectively retractable and extensible turning dogs powered by a hydraulic vane motor capable of rotating a clamped log 90.degree. during processing. The entire carriage system may be used alternatively as an overhead carriage, an underneath carriage, or in tandem as an overhead and underneath log carriage system using one array of log-processing equipment.
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Barnard Delbert J.
Schran Donald R.
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