Machine element or mechanism – Gearing – Directly cooperating gears
Reexamination Certificate
2006-06-27
2006-06-27
Fenstermacher, David M. (Department: 3682)
Machine element or mechanism
Gearing
Directly cooperating gears
C074S60600R
Reexamination Certificate
active
07066046
ABSTRACT:
A CNC machine makes a single speed reducer by forming a worm recess, a worm gear recess, and a worm shaft groove that is discontinuous at the worm recess in a first solid block of aluminum. Matching recesses and grooves are formed in a second solid block of aluminum in the same way so that a worm cavity, a worm gear cavity, and a worm shaft bore are formed when the two blocks are placed in juxtaposition to one another. The worm shaft bore enables the reducer to have two different mounting configurations. A double speed reducer made by the same techniques has even more mounting configurations. The design also minimizes gear lash, end play, and inertia generated coasting and accommodates power transmission systems other than gear trains.
REFERENCES:
patent: 3656356 (1972-04-01), Gubbiotti
patent: 4023433 (1977-05-01), Schutz
patent: 5056213 (1991-10-01), Behnke et al.
patent: 5992259 (1999-11-01), Fleytman
patent: 196 13 814 (1997-09-01), None
patent: 05302649 (1993-11-01), None
Fenstermacher David M.
Smith Ronald E.
Smith & Hopen , P.A.
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