Continuous rod-making machines

Details Continuous rod-making machines Continuous rod-making machines

1989-11-03

1991-09-17

Millin, Vincent

Tobacco

Cigar or cigarette making

Molding or forming

131 841, A24C 518

Patent

active

050485431

ABSTRACT:
A rotary ledger for a continuous rod-making machine includes gears (50,54) having interengaging teeth which are subjected to a pressure applied by resilient means to reduce or eliminate backlash. The pressure is applied as a predetermined torque applied through coaxial gear portions (50A, 50B, 54A, 54B) which are effectively urged to rotate in opposite direction swhile remaining engaged with a common further gear (46). A rotary torque limiting device (74) is connected to one end of a flat torsion spring (68) the other end of which is connected to one of the coaxial gear portions (50A) for applying the torque. An oil flow arrangement (124-132) is provided for ensuring adequate lubrication of at least one bearing (120) for a shaft (42) extending through the ledger housing (38) while preventing escape of oil with possible consequent contamination of the rod. The arrangement includes an oil supply path passing through the bearing in a direction from the interior of the housing, an oil receiving chamber within the housing, and a collector tube which collects oil by action of centrifical force as the housing rotates and returns it to the interior of the housing.

REFERENCES:
patent: 4160575 (1979-07-01), Schraut
patent: 4230391 (1980-10-01), Keglewitsch
patent: 4244250 (1981-01-01), Rudszinat
patent: 4248113 (1981-02-01), Verjux
patent: 4478231 (1984-10-01), Rudszinat
patent: 4539998 (1985-09-01), McCord et al.
patent: 4576181 (1986-03-01), Wallace et al.
patent: 4589287 (1986-05-01), Dickens
patent: 4679567 (1987-07-01), Hanlon et al.
patent: 4686764 (1987-08-01), Adams et al.
FIG. I-2 from Cobe Laboratories sales training slide.
Shin-Etsu Polymer product brochure.
Metl-Plas Process brochure.

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