| 摘要 |
A pushchair comprising a supporting frame, a body, means for detachably mounting said body on said frame, a pair of sides for said frame, a pair of frame parts for each said side, a pivot interconnecting said frame parts so that at least the lower ends of said parts form an inverted V, an extensible spring unit interconnecting the lower ends of said parts, a pair of coextending hollow levers composing said unit, at least one tensioned spring within said levers, and a bendable joint between said levers. |
