Gear reducer

Details Gear reducer Gear reducer

1994-04-25

1996-08-27

Marmor, Charles A.

Planetary gear transmission systems or components

With means to vary drive ratio or disconnect drive

Gear shiftable axially to disconnect or vary ratio

475339, 475347, 101181, 101248, F16H 344, B41F 1324

Patent

active

055495230

ABSTRACT:
A present invention relates to a gear reducer for printing machine or the like comprising a hand wheel adapted to provide rough and fine adjustment nodes. The hand wheel is mounted on a sleeve adapted to be engaged with a drive shaft of said printing machine. A planet wheel mounted on the hand wheel by means of a pin shaft extending parallel to the sleeve. A drive gear mounted on the sleeve, said drive gear adapted to turn together with the sleeve. A lock means is adapted to retain the hand wheel locked on the sleeve. A fixed gear is mounted on a frame of said press machine, the fixed gear being coaxial with said drive gear. The fixed gear has a number of teeth which differs from the number of teeth of the drive gear. The hand wheel is adapted to move together with the planet wheel gear axially forwardly towards said fixed gear. In the rough adjustment mode the hand wheel is being retained by the lock means engaged on the sleeve, the hand wheel being adapted to activate said drive shaft by means of the sleeve. In the fine adjustment mode the hand wheel is disengaged from the lock means by means of axial forward movement towards the fixed gear, and the planet wheel gear is simultaneously meshed with the drive gear and the fixed gear.

REFERENCES:
patent: 1632571 (1927-06-01), Watson
patent: 1979205 (1934-10-01), Payne
patent: 2539068 (1951-01-01), Funk
patent: 3896724 (1975-07-01), Muselik
patent: 4345792 (1982-08-01), Shephard

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