Patent ID: 7353738
Filing Date: 2008-04-08
Classification: B26D,B29C,B29L,Y10T

Abstract:
1. A cutting device for cutting a plastic lens, comprising: a cutting member and a holding member, the cutting member comprising a first cutter and a second cutter, the first and the second cutters being mounted for relative movement relative to a stationary base in first and second opposed directions away from and toward each other, the first cutter first contacting the lens in the first direction, a stopper mounted on said base for stopping the first cutter when the first cutter contacts the lens, the second cutter being structured to move in the second direction only after the first cutter has stopped moving in the first direction, said second cutter then cooperating with the first cutter to cut the lens completely in the second direction; the holding member comprising a holding plate movable in the first and second directions and a holder directly and stationarily mounted on the holding plate, the holder defining a recess that opens in the second direction, the recess receiving the plastic lens therein and supporting the plastic lens in position for cutting.