Locking/unlocking mechanism for the extendable handle on a hand-

Details Locking/unlocking mechanism for the extendable handle on a hand- Locking/unlocking mechanism for the extendable handle on a hand-

1998-02-11

1999-07-27

Mah, Chuck Y.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Handle, handle component, or handle adjunct

Luggage-type

280655, 190115, A47B 9502

Patent

active

059269146

ABSTRACT:
A locking/unlocking mechanism is provided for use on the extendable handle of a hand-trailable luggage case, which is smooth in operation and reliable for use for a long period of time. The locking/unlocking mechanism of the invention is for use on an extendable handle on a hand-trailable luggage case for the purpose of locking the extendable handle at a retracted position and allowing a user to unlock the extendable handle from the retracted and locked position so that the extendable handle can be freely extended out for use by the user. The locking/unlocking mechanism includes a casing having a receptacle; an actuating device allowing the user to unlock and release the extendable handle from the retracted position by pressing thereon; a pair of slidable devices, each being formed with a locking bolt on an outer side thereof for locking the elongated bars of the extendable handle at the retracted position and a toothed bar on an inner side thereof which is meshed to a gear. The provision of the gear meshed to the toothed bars on the slidable devices allows the locking/unlocking mechanism to operate smoothly when unlocking the elongated bars of the extendable handle from locked position.

REFERENCES:
patent: 5322334 (1994-06-01), Hammer
patent: 5499426 (1996-03-01), Hsieh
patent: 5526908 (1996-06-01), Wang
patent: 5630250 (1997-05-01), Chou

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