Machine element or mechanism – Gearing – Lubrication
Patent
1982-01-07
1984-07-10
Staab, Lawrence J.
Machine element or mechanism
Gearing
Lubrication
277153, 277 29, 74423, F16H 5704, F16H 114, F02F 1100, F02F 500
Patent
active
044585489
ABSTRACT:
A drill head having a drill head casing, a rotatable support member for a drill steel, a ring gear nonrotatably attached to the rotatable support member and a pinion gear driving the ring gear. A carrier for the pinion gear having a housing attached to the drill head casing and a pinion shaft rotatably supported in the housing. The pinion gear is nonrotatably mounted on one end of the pinion shaft and the other end of the pinion shaft has an elongated cavity which nonrotatably receives the drive shaft of a motor. Bearings are located between the pinion shaft and the housing and seals are located between the pinion shaft and the housing adjacent to the bearings. A nut is threaded on each end of the pinion shaft to retain the pinion gear and the bearings on the pinion shaft.
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De Vall Donald L.
De Vall Hu D.
Bednarek Michael D.
Staab Lawrence J.
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