Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Handle – handle component – or handle adjunct – Luggage-type
Patent
1997-09-16
1998-10-20
Mah, Chuck
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Handle, handle component, or handle adjunct
Luggage-type
A47B 9502
Patent
active
058228314
ABSTRACT:
A positioning device is provided for a luggage trolley having a pair of outer tubes, a pair of inner tubes respectively, telescopically received in the outer tubes, and a handle connected to upper ends of the inner tubes. The positioning device includes a connecting rod pivotably mounted in each inner tube, a manually operable actuating member mounted to the handle and connected to an upper end of each connecting rod to urge pivotal movement of the connecting rod, and an engaging member mounted in each inner tube. Each engaging member is pivoted to be disengaged from an associated engaging hole of the associated outer tube when the actuating member is actuated to allow vertical movement of the inner tubes in the outer tubes. Each engaging member is biased to selectively engage with one of the engaging holes when the actuating member is released so as to position the inner tubes in the outer tubes.
REFERENCES:
patent: 5379486 (1995-01-01), Wang
patent: 5459908 (1995-10-01), Chen
patent: 5620070 (1997-04-01), Wang
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