| 摘要 |
A rollable downwardly collapsible bed is accommodated beneath a combination chesterfield-bed. Straight-line rolling of the former at right angles to the length of the latter to and from its housing is achieved by (i) a set of barrel-shaped castors off-set from swivelling axes thereof so that even if grossly misaligned, an inch or so of horizontal movement rotates them all into parallel rolling posture such as to permit the bed to be rolled in a direction at right angles to its length and (ii) a guide bar having rounded leading corners bearable against the housing side portals which line up the bed for entry between said portals. The rolling bed also includes a cover for said housing when it is accommodated therewithin, said cover being secured to a locking bar by means of which the rollable bed is maintained in raised position. The chesterfield-bed includes adjustable cushioned back rest means (i) whereby standard parallel two-faced cushions may be supported at an angle and afterwards removed for bed use, and (ii) which may be retracted so as not to interfere with use of the bed over its entire width.
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