Metal working – Burnishing – Of water laid fibrous article
Patent
1977-01-13
1978-03-28
Hinson, Harrison L.
Metal working
Burnishing
Of water laid fibrous article
291592, 72 88, B21C 3730, B21D 5328, A01N 900
Patent
active
040806995
ABSTRACT:
Apparatus and a method for burnishing gears incorporating a pair of gear racks having opposed forming faces with teeth spaced therealong for meshing with a toothed gear received therebetween to provide the sole support for the gear as it is rotated by rack movement while the rack teeth burnish the gear teeth. A loader is positioned on one lateral side of the gear racks and includes a movable gripper mechanism that positions the gears to be burnished between the racks for meshing engagement therewith as the racks are driven by a reciprocal drive mechanism of the apparatus. Grippers of the gripper mechanism grip the gears during loading and have pushers that push the burnished gears to a delivery guide on the opposite lateral side of the gear racks from the loader. A movable guide member of the guide is fixed to one of the gear racks and receives the burnished gears to feed the gears to a stationary guide member as a pusher fixed to the other gear rack moves the burnished gears during reciprocal driving of the gear racks. A conveyor for feeding the loader includes gear carriers supported by a continuous chain trained over a pair of spaced sprockets. One of the sprockets is adjustably supported by a chain tensioner while the other sprocket is driven by a cylinder and indexing arm through a one-way clutch in order to move the chain and the gears carried by the carriers on the chain.
REFERENCES:
patent: 440763 (1890-11-01), Simonds
patent: 877135 (1908-01-01), Stecher
patent: 2236256 (1941-03-01), Allard
patent: 3084572 (1963-04-01), Starck
patent: 3599463 (1971-08-01), Sennstrom et al.
patent: 3717017 (1973-02-01), Vukovich
patent: 3765209 (1973-10-01), Petrikovsky
patent: 3793866 (1974-02-01), Anderson
patent: 3818736 (1974-06-01), Blue
Anderson-Cook Inc.
Hinson Harrison L.
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