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(11) | EP 0 216 059 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Apparatus for crushing and washing ballast, sand and the like |
| (57) Apparatus for crushing and washing ballast, sand and the like comprises a cylindrical
body (2) mounted on a base (1), a slide table (6) slidably mounted on the base (1),
and a rotatable jack shaft (10) mounted on the slide table (6) on a coaxis with the
cylindrical body (2) and having a crush bowl (13) arranged to co-operate with a discharge
port (29) in the cylindrical body (2). A coil spring (22) acts between the slide table
(6) and the base (1) for biassing the crush bowl (13) towards the discharge port (29)
and the slide table (6) is engageable with a stop (28) for controlling the degree
of engagement between the crush bowl (13) and the discharge port (29). Both the biassing
and the degree of engagement are preferably adjustable. |