F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
101/47, 74/64
F16H 19/04 (2006.01) B23Q 16/06 (2006.01) B41F 15/14 (2006.01) F16H 27/02 (2006.01)
Patent
CA 1295880
ABSTRACT OF THE DISCLOSURE A rotary indexing mechanism for a screen printing machine of the type comprising a carousel which includes a multiple armed fixed frame and a multiple armed movable frame mounted to rotate relative thereto, a plurality of print heads mounted to one of the frames and a plurality of screen platens mounted to the other of the frames. The rotary indexing mechanism includes a coupling member mounted for reciprocatory rotary motion, and including engagement means operable to engage the movable frame during a selected portion of the reciprocatory rotary motion, drive means including a linear actuator for effecting said reciprocatory rotary motion, a transmission mechanism operatively connecting the drive means to the coupling member and, fluid damper means mounted so as to oppose the reciprocatory rotary motion of the coupling member. In one form the transmission means includes two racks one connected to the drive means and the other connected to the fluid damper means. In another form the transmission means includes a crank rotatable by the drive means with a pin receivable in a slot in the coupling member.
571018
Fetherstonhaugh & Co.
Reefdale Pty. Ltd.
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