Flexible transmission means

1,093,578. Flexible shafts. FRATELLI BORLETTI S.p.A. Sept. 7, 1965 [Sept. 12, 1964], No. 38226/65. Heading F2U. In a shaft coupling of the kind wherein a connector 11 has a recess receiving the square section end 10 of a flexible shaft 1 of wires wound into a helix which tightens during rotation and...

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1. Verfasser:	MINCUZZI ANTONIO
Format:	Patent
Sprache:	eng
Schlagworte:	BEARINGS BLASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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Zusammenfassung:	1,093,578. Flexible shafts. FRATELLI BORLETTI S.p.A. Sept. 7, 1965 [Sept. 12, 1964], No. 38226/65. Heading F2U. In a shaft coupling of the kind wherein a connector 11 has a recess receiving the square section end 10 of a flexible shaft 1 of wires wound into a helix which tightens during rotation and has a square section projection 13 engaging complementary surfaces 14 within a hollow driving shaft 15 of an instrument (e.g. a revolution counter or speedometer), lubricating grease which is urged by the rotating shaft 1 towards the instrument is prevented from reaching the latter by forming a helical groove 17 of opposite hand to that of the helix in the outer surface of the connector 11. The connector 11 may be made of plastics material (e.g. nylon). A non-rotating casing 2 which surrounds the shaft 1 is connected to a sleeve 5 clamped by nuts 7 to the casing of the instrument.