Patent classifications
B27B5/207
Sawmill
A sawmill includes a saw carriage and a swing saw which in turn has a circular blade and a drive shaft. The mill also includes a pair of ground engaging tracks. The saw carriage has a pair of posts/uprights each supporting an opposite end of a cross-frame, which incorporates a clamp at each end, and these can be tightened against one of the posts to stabilise the saw carriage. The saw cantilevers from the saw carriage such that the saw's drive shaft is to one side of the cross-frame regardless of whether the blade is in a vertical or horizontal cutting orientation. The carriage moves along the tracks to carry the saw to make cuts in the longitudinal dimension of a log. The saw is also arranged to move laterally along the carriage between the uprights to make cuts the lateral dimension of the log.
DUSTLESS MITER SAW
A dustless compound sliding miter saw with a built-in dust collection system is disclosed. The dustless compound sliding miter saw uses an extraction turbine to create a vacuum region at the end of the blade exist from the cut wood piecework, the blade housing has an external extraction channel and an external suction tube to maximize the dust collection. A retractable dust guard is utilized to confine the sawdust in the vacuum region to further maximize the dust collection. The compound sliding miter saw also utilizes anti-dust blade guard and air flow guide fins to optimize the airflow and the dust extraction. The compound sliding miter saw has a rail system that slides the blade from front to back and extends the maximum cutting length. The compound sliding miter saw has a built-in beveling mechanism to tile the blade and cut down through the wood at an angle.
Automated multi-headed saw for lumber and associated method
A system including a gantry structure; a first and a second saw head movable along at least part of the length of the gantry structure; and a first and a second lumber support also movable along corresponding lengths of the gantry structure. A controller moves the first saw head and first lumber support adjacent a first location along a board and moves the second saw head and second lumber support adjacent a second location along a board, and operates the first and second saw heads to cut first and second ends off the board. The controller then moves the saw heads and the lumber supports relative to the board to third and fourth locations and operates the first and second saw heads to cut third and fourth end pieces off. The saw heads and lumber supports optionally move together and rotate around respective vertical axes to enable angled board cuts.
Portable sawmill
A sawmill includes a four-stroke internal combustion engine having an output shaft for driving a sawblade. The output shaft has a longitudinal axis. The engine is mounted on the sawmill for rotation between a first operative position with the longitudinal axis of the output shaft extending at a first angle, and a second operative position with the longitudinal axis of the output shaft extending at a second angle transversely to the first angle. The engine has fuel injection to facilitate operation in the first and second operative positions and a lubrication system incorporating a wet sump. An oil pick up for the lubrication system is configured to pick up oil from the wet sump at both the first and second operative positions.
Automated system and method for lumber picking
A system including a lumber-pickup arm having a plurality of suction cups in a staggered configuration to pick up a piece of lumber that may be cracked, crooked or askew on the pile of lumber from which it is to be picked. In some embodiments, the system performs a method that includes locating a selected piece of lumber to be picked up; lowering the pickup arm so that at least some of the plurality of suction cups are seated on a first surface of the selected piece of lumber; reducing air pressure within the at least some of the plurality of suction cups; raising and moving the pickup arm to move the piece of lumber to a first destination; and increasing air pressure within the at least some of the plurality of suction cups to release the piece of lumber at the first destination Cups not holding vacuum are deactivated.
Portable sawmill
A sawmill includes a four-stroke internal combustion engine having an output shaft for driving a sawblade. The output shaft has a longitudinal axis. The engine is mounted on the sawmill for rotation between a first operative position with the longitudinal axis of the output shaft extending at a first angle, and a second operative position with the longitudinal axis of the output shaft extending at a second angle transversely to the first angle. The engine has fuel injection to facilitate operation in the first and second operative positions and a lubrication system incorporating a wet sump. An oil pick up for the lubrication system is configured to pick up oil from the wet sump at both the first and second operative positions.
Sawmill
A sawmill 1 has an operator end 6, a pair of end frames 2, a track 3 elevated by and extending from at least one end frame to the other, a carriage moveable 4 to carry a saw 5 along at least part of the track, flip elements able to move the saw from a horizontal cutting orientation to a vertical cutting orientation, and a relocatable stopper 13 associated with the track. The carriage 4 can be driven away from the operator end 16 with the saw 5 in the horizontal cutting orientation to contact the stopper 13 when the carriage, this resulting in the flip elements automatically moving the saw 4 into the vertical cutting orientation.
Portable Sawmill
A sawmill includes a four-stroke internal combustion engine having an output shaft for driving a sawblade. The output shaft has a longitudinal axis. The engine is mounted on the sawmill for rotation between a first operative position with the longitudinal axis of the output shaft extending at a first angle, and a second operative position with the longitudinal axis of the output shaft extending at a second angle transversely to the first angle. The engine has fuel injection to facilitate operation in the first and second operative positions and a lubrication system incorporating a wet sump. An oil pick up for the lubrication system is configured to pick up oil from the wet sump at both the first and second operative positions.
Portable Sawmill
A sawmill includes a four-stroke internal combustion engine having an output shaft for driving a sawblade. The output shaft has a longitudinal axis. The engine is mounted on the sawmill for rotation between a first operative position with the longitudinal axis of the output shaft extending at a first angle, and a second operative position with the longitudinal axis of the output shaft extending at a second angle transversely to the first angle. The engine has fuel injection to facilitate operation in the first and second operative positions and a lubrication system incorporating a wet sump. An oil pick up for the lubrication system is configured to pick up oil from the wet sump at both the first and second operative positions.
Automated multi-headed saw and method for lumber
A system including a gantry structure; a first and a second saw head movable along at least part of the length of the gantry structure; and a first and a second lumber support also movable along corresponding lengths of the gantry structure. A controller moves the first saw head and first lumber support adjacent a first location along a board and moves the second saw head and second lumber support adjacent a second location along a board, and operates the first and second saw heads to cut first and second ends off the board. The controller then moves the saw heads and the lumber supports relative to the board to third and fourth locations and operates the first and second saw heads to cut third and fourth end pieces off. The saw heads and lumber supports optionally move together and rotate around respective vertical axes to enable angled board cuts.