Patent attributes
A casting apparatus includes an upper frame, a lower frame, an opening/closing mechanism, a first main link member, a first sub-link member, a drive unit, a base frame and a retracting mechanism. The first main link member is provided with a first rotating shaft at a central part thereof. The first sub-link member is disposed in parallel with the first main link member. The first sub-link member is provided with a first bearing at a central part thereof. The drive unit is connected to the first rotating shaft and causes the first main link member to rotate around the first rotating shaft. The base frame includes a second rotating shaft. The second rotating shaft rotatably supports the first sub-link member via the first bearing with the first bearing placed thereon. The retracting mechanism causes the second rotating shaft to retract.
