| 摘要 |
1489094 Castors MARUWA ECHO CO Ltd 28 Dec 1974 55958/74 Heading A4U A castor roller unit comprises a castor roller 30, Fig. 2, swivelly supported by a base-plate 26, and a separate seat member 36, Fig. 3, adapted to be secured to a suitcase &c., to detachably receive and anchor the base-plate 26, the seat member 36 comprising a substantially rectangular plate having a recess 38 with a pair of opposed grooves 40 to slidably receive the base-plate 26, said recess including a resilient tongue 46 with a curved outer end 48 having at least one stud 50 to engage a socket 34 of the base-plate 26. |
