Patent ID: 7052381
Filing Date: 2006-05-30
Classification: B24B

Abstract:
1. A belt sander, comprising: a frame including a first side plate, a second side plate spaced from the first side plate, a first transverse plate mounted between the first side plate and the second side plate, and a second transverse plate mounted between the first side plate and the second side plate and spaced from the first transverse plate; a support seat movable relative to the frame; a first wheel rod mounted on the support seat to move therewith; a second wheel rod mounted on the frame; a sand belt mounted between the first wheel rod and the second wheel rod; an adjusting unit including a driven shaft rotatably mounted on the second transverse plate of the frame, a driven bevel gear secured on the driven shaft to rotate the driven shaft, a threaded rod secured on the driven shaft to rotate therewith, and a slide rod mounted on and movable by rotation of the threaded rod and having a top end secured on a bottom face of the support seat to move the support seat relative to the frame to adjust the distance between the first wheel rod and the second wheel rod; an operation unit including a drive shaft rotatably mounted on the first side plate of the frame, a drive bevel gear secured on a first end of the drive shaft to rotate therewith and meshing with the driven bevel gear of the adjusting unit for rotating the driven bevel gear, and an operation handle secured on a second end of the drive shaft to rotate the drive shaft.