Control device for folding and expanding a base portion of a pla

Beds – Crib – Folding

Patent

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Details

403102, 403291, A47D 700

Patent

active

054975174

ABSTRACT:
A control device for folding and expanding a base portion of a playpen includes four block members each fixed on a base portion which is mounted on a mediate portion of the playpen and each pivotally engaged with one of four drive posts each of which is mounted on one of the four corners of the playpen, four fastener members each mounted on a mediate portion of one of the drive posts, two transmission assemblies each including a bracket member mounted in a mediate portion thereof, a pair of linking rods each having a first end pivotally engaged with one of the fastener members on associated drive post and having a second end pivotally engaged with the bracket member.

REFERENCES:
patent: 5279006 (1994-01-01), Teng
patent: 5353451 (1994-10-01), Hsiung

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