| 摘要 |
<p>A mold assembly (30) for producing masonry blocks and adapted for use in a masonry block machine. The mold assembly includes plurality of liner plates (32 a-d), each liner plate having a major surface (44 a-d), the liner plates positioned within a mold box and configured such that the major surfaces form a mold cavity (46) having a desired form, wherein at least one of the liner plates is moveable between a retracted position and a desired extended position toward an interior of the mold cavity. A gear drive assembly (31) selectively coupled to the at least one moveable liner plate and configured to move the at least one moveable liner plate betwee the retracted and extended position, wherein the gear drive assembly is positioned substantially external to the mold box when the at least one moveable liner plate is in the retracted position.</p> |
