Portable mortar mixer with oscillating paddle and scraper

A portable mixer comprising:

• an open top mixing tub having a trough with a semicircular cross-section about an axis of rotation and a pair of end walls each welded to a respective end of the trough for closing each end of the trough;
• a base for fixedly supporting the mixing tub;
• the base provided with a pair of spaced-apart box channels extending through the base and aligned in a horizontal plane;
• a paddle positioned within the mixing tub;
• an axle mounted to the mixing tub adjacent the top of the mixing tub and axially aligned with the axis of rotation;
• the paddle including a first upright scraper having upper and lower ends, a second upright scraper having upper and lower ends with the first and second upright scrapers positioned in parallel relation and further including a bottom scraper having two ends with one end attached to the lower end of the first upright scraper and the lower end of the second upright scraper, and wherein the upper end of the first upright scraper is secured to the axle and further wherein the first upright scraper, the second upright scraper and the bottom scraper are all positioned within an axial plane of the axle;
• the paddle sized and shaped to scrape the trough and the end walls of the mixing tub;
• and
• an actuator for rotating the axle back and forth whereby the paddle is caused to sweep back and forth within the trough.