Machine element or mechanism – Mechanical movements – Rotary to or from reciprocating or oscillating
Patent
1981-05-11
1984-05-29
Purser, Ernest R.
Machine element or mechanism
Mechanical movements
Rotary to or from reciprocating or oscillating
74 89, F16H 2116
Patent
active
044507313
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.
REFERENCES:
patent: 2940322 (1960-06-01), Uhing
patent: 3966280 (1976-06-01), Olrik
patent: 3977258 (1976-08-01), Bauer
Feinwicktechnik, vol. 71, No. 5, May 1967; K. R. Von Oberaurat "Riebrollen-Verlegegetriebe fur Spulenwickelmaschinen", 201-208, p. 207, FIG. 26; p. 208, line 120 (from bottom) to col. 2, line 5.
Marldon (Engineering Specialties) Limited
Purser Ernest R.
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