초록 ▼

A foldable pram chassis in which two lateral X-shaped frames are connected articularly with two horizontal carriage body and seat fixing struts, a U-shaped plate articulated to the lateral X-shaped frames and a rectangular slide frame, cross-struts of which are foldable so that the chassis may be co

A foldable pram chassis in which two lateral X-shaped frames are connected articularly with two horizontal carriage body and seat fixing struts, a U-shaped plate articulated to the lateral X-shaped frames and a rectangular slide frame, cross-struts of which are foldable so that the chassis may be collpased, the rectangular slide frame pivots in the U-shaped plate and lying over the carriage body and seat fixing struts.

대표청구항 ▼

A foldable pram chassis comprising: two horizontal carriage body and seat fixing struts, said struts each having a forward end and a rearward end; two lateral X-shaped frames each including two struts each having an upper end, a respective one of the upper ends of one of said two last-mEntioned stru

A foldable pram chassis comprising: two horizontal carriage body and seat fixing struts, said struts each having a forward end and a rearward end; two lateral X-shaped frames each including two struts each having an upper end, a respective one of the upper ends of one of said two last-mEntioned struts being pivotally connected with a respective one of said forward ends of said two horizontal carriage body and seat fixing struts; U-shaped plates, one for each said lateral X-shaped frames connected articularly thereto, each of the upper ends of the other of said lateral X-shaped frame struts being pivotally connected with a respective one of said U-shaped plates; a rectangular slide frame having upper and lower cross-struts each foldable in the middle thereof, the upper cross strut forming a handle grip, said slide frame including longitudinal struts, said fixing struts and said lateral frames, being rotatably mounted about an axle by means of said U-shaped plates; and, said longitudinal struts and said upper ends of said other of said lateral X-shaped frame struts including operatively associated rotational and pivotal means; whereby said longitudinal struts, said fixing struts and said other of said lateral X-shaped frame struts being pivotal in a longitudinal direction of the pram chassis, and said longitudinal and said other of said lateral X-shaped frame struts being rotatable relative to each other about said longitudinal direction of the pram chassis.