| 摘要 |
<p>The assembly includes frame (17), drum (11 ) having a substantially cylindrical body (28) with upper outlet opening (32) covered by a grate (43). The drum (11) includes a laterally disposed discharge chute (50) and a back wall (40). A shaft (33) is mounted between end walls (29, 30) and carries a pair of arms (33A) with a center paddle (52) and V-shaped mixing paddles (51) are on respective arms (33A) for increasing the amount of entrained air in mixed mortar. The back wall (40) is inclined from the vertical by no more than 15° to inhibit build up of the mortar being mixed in the drum (11). A three member bag splitter (47) is affixed to the grate (43) over the widest area of the outlet opening (32). A two- section cab (13) encloses an engine (22) and allows for access to the starter and engine controls (23) while protecting a user. A gear drive shield (16A) medially of the cab (13) provides user protection and protects the drive components from dust and debris.</p> |
