Patent ID: 6722242
Filing Date: 2004-04-20
Classification: B23D,Y10T

Abstract:
A transmission device of a table saw comprising: a box, a base, an elevating member, and a motor;said box having a table on top, said table having a sawing slot formed at a preset position in a center and an upper portion of a circular saw blade protruding therethrough for cutting off wood materials; said base installed in said box and provided with the motor in a preset position; said elevating member having a first shaft hole and a second shaft hole spaced apart a preset distance, a first support shaft having a first end fixed on said base and a second end inserted through said first shaft hole and then pivotally fitted with a rotatable transfer member having a front and a rear belt pulley connected together, a second support shaft having a first end secured with said circular saw blade and a second end passing through said second shaft hole and pivotally fitted with a first belt pulley of said circular saw blade, then a first belt connected around a second belt pulley connected to a first end of said motor and around said front belt pulley of said transfer member, a second belt connected around said rear belt pulley of said transfer member and around the second belt pulley of said second support shaft, wherein said elevating member is provided with an arc-shaped plate at a lower portion having a gear along its curved bottom, and an elevating handle is connected in center with a rotating shaft formed with a worm on a front end to mesh with said gear under said elevating member.