B - Operations – Transporting – 65 – G
Patent
B - Operations, Transporting
65
G
198/99
B65G 17/30 (2006.01) F16H 19/00 (2006.01) F16H 35/02 (2006.01)
Patent
CA 1199302
ROTARY CHAIN DRIVE MECHANISM WITH PERIODIC OUTPUT DWELL Abstract of the Disclosure A rotary drive mechanism with periodic output dwell includes a fixed sprocket mounted on one end of a fixed hollow shaft. A drive input is rotatable on the hollow shaft and is coupled to a frame assembly which includes an arcuate plate coplanar with the fixed sprocket. A pair of idler sprockets are carried by the frame on opposite sides of the fixed sprocket at uni- form spacing with respect thereto, with the peripheral edge of the arcuate plate extending from adjacent the peripheries of the idler sprockets at uniform radius with respect to the axis of the fixed sprocket and fix- ed shaft. An endless chain is looped around the sprockets and slidably along the plate edge. An output drive arm is fixed to an output shaft extending through the fixed hollow shaft. A slider is carried in a slot extending lengthwise of the arm and is affixed to the endless chain for driving the arm and output shaft as a func- tion of travel of the endless chain around the fixed and idler sprockets and over the plate edge.
451543
Lamb Technicon Corp
Marks & Clerk
LandOfFree
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