F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
74/70
F16H 15/00 (2006.01) F16H 19/02 (2006.01)
Patent
CA 1179165
-15- ABSTRACT A traversing unit: comprises a shaft 42 rotatably mounted in plain bearings 46 and 47 in a housing 41. The housing 41 houses three rings 43, 44 and 45 in contact with the shaft 42 and respectively rotationally supported in ball races 51, 52 and 53 through balls 54, 55 and 56. The rings 43 to 45 may be loaded via a mounted plate 69 comprising bearings 66 to 68 which receive corresponding pins 58, 60 and 62 integrally formed with respective races 51 to 53. This plate 69 is located axially of the shaft 42 by dowels 72 and 73 which are free to move at right angles to the shaft 42. Excess loads caused by reversal torques on the housing 41 when the direction of traverse of the rings is reversed during operation of the unit with the shaft 42 rotating and the rings 43 to 45 loaded are reduced and transferred to bearings 46 and 47 permitting higher loads to be used on the rings 43 to 45 and maintenance problems to be reduced as compared with known traversing units.
377277
Marldon (engineering Specialties) Limited
Swabey Ogilvy Renault
LandOfFree
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