Agitating – Mortar mixer type – Movable mixing chamber


Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0


74449, 74DIG10, B01F 1100




A composite gear of metal and plastic is provided and specifically a composite ring gear for a cement mixer. The ring gear for rotating the mixing drum of a cement mixer is commonly formed by stamping teeth in a metal flange circumjacent an intermediate portion of the mixing drum. Such gears have been noisy and lack impact resistance. The new ring gear comprises a metal flange to which is affixed a plurality of arcuate gear segments of a plastic material having gear teeth formed therein. The teeth of the plastic segments mesh with a drive pinion gear. The composite gear is much quieter and is also more impact resistant during operation. The segments can also be inexpensively and readily replaced, if necessary.

patent: 2470100 (1949-05-01), Heine
patent: 3225616 (1965-12-01), Whitehead
patent: 3361004 (1968-01-01), Williams et al.


Say what you really think

Search for the USA inventors and patents. Rate them and share your experience with other people.


Gear does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Gear, we encourage you to share that experience with our community. Your opinion is very important and Gear will most certainly appreciate the feedback.

Rate now


Profile ID: LFUS-PAI-O-2369383

All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.