Patent ID: 7198082

Claim:
An adjusting device for an angle blocking plate of a planing machine comprising: a material conveying table, said material conveying table having one side connected with a fundamental base, said fundamental base having a topside assembled with an upper holding frame connected with an angle blocking plate, said angle blocking plate able to move forward and backward together with said upper holding frame on said material conveying table, said angle blocking plate provided for positioning a wood material during planning; said fundamental base having a side inserted transversely by a worm, said worm having an outer end connected with a hand wheel, said worm having an inner end formed with a worm portion, a transmission rod vertically and axially secured at a predetermined location under said fundamental base, said transmission rod having an intermediate portion formed with a worm portion, said worm portion of said transmission rod meshed with said worm portion of said worm, said transmission rod having an upper end formed with a gear portion extending out of the topside of said fundamental base; and said upper holding base having an underside secured with a lengthwise rack at a predetermined location, said rack meshed with said gear portion of said transmission rod, which extends out of the topside of said fundamental base, said hand wheel turned around to actuate said worm and said transmission rod to rotate together, said worm and said transmission rod actuating said upper holding frame and said angle blocking plate to move forward and backward.