Clutch-brake device for cutting machines

F - Mech Eng,Light,Heat,Weapons – 16 – D

Patent

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F16D 67/02 (2006.01) A01D 34/68 (2006.01) F16D 65/14 (2006.01)

Patent

CA 1151568

ABSTRACT OF THE DISCLOSURE A clutch-brake device for cutting machines disclosed herein has a first cover secured to the bottom of the engine case and a second cover rotatably fitted over an output shaft which is connected to an engine and projects from the first cover. A cutting blade is secured to the bottom of the second cover. A brake plate and a clutch plate are provided immediately above and below a disk mounted on the output shaft for rotation therewith, and are connected together at their periperies. The clutch plate is urged by a spring toward the disk. One of the clutch plate and the brake plate has a plurality of guide pieces projecting from the outer periphery thereof and slidably fitted into a plurality of axial recesses formed in the second cover. A brake lever is provided on the first cover immediately above the brake plate for rotation and axial sliding movement. The brake lever is urged by another spring to rotate relative to the first cover into a released condition so that the brake lever is moved down toward the brake and clutch assembly to place the latter into frictional engagement with the brake lever and at the same time out of engagement from the disk.

360711

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