F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/56
F16H 29/12 (2006.01) B26D 5/22 (2006.01)
Patent
CA 1076390
ABSTRACT OF THE DISCLOSURE This invention relates to drive mechanisms for equipment to be intermittently operated. Known intermittent drive mechanisms are limited in speed capacities so that desirably high production cannot be realized. Moreover, such known mechanisms exhibit undesired lack of uniformity of intermittent movements, and hence of output results. Still further, such mechanisms are undesirably complex and are characterized by inordinate down time of equipment. The present invention overcomes the deficiencies noted above by providing an apparatus having a control shaft extending through and rotatable in a housing parallel to a stub shaft therein which has one end extending through one wall thereof. Within the housing are four bevel gears, one being keyed or fixed to the control shaft, a second rotatable on and relative to the control shaft, and the remaining two meshing with the first and second ones and carried on a block that is rotatable on and relative to the control shaft. The second bevel gear is keyed to the larger of a pair of meshing spur gears, such larger gear being rotatable relative to the control shaft and the smaller spur gear being fixed to the stub shaft. Respective discs are fixed on the adjacent ends of the two shafts, and articulated holding devices are operable to alternately hold and release the discs. An external arm adjacent the other end of the control shaft Is coupled through the housing to the block.
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