DEVICE FOR THE LEAKPROOF TRANSMISSION OF ROTATIONAL MOVEMENT, WITH METAL GAITER.

摘要

PCT No. PCT/FR91/00298 Sec. 371 Date Nov. 8, 1991 Sec. 102(e) Date Nov. 8, 1991 PCT Filed Apr. 11, 1991 PCT Pub. No. WO91/16559 PCT Pub. Date Oct. 31, 1991.A sealed transmission device for controlling a valve including a casing containing a transfer member coupled to a control shaft and to a receiver shaft. A bellows surrounds the receiver shaft and is fixed and sealed at its upper end to the transfer member and is fixed and sealed at its lower end to the casing. The transfer member is operably connected to a tilting member, which tilting member is adapted to protect the bellows from the effects of torsion due to rotation of the control shaft.