Retractable handle for luggage or hand trucks

Details Retractable handle for luggage or hand trucks Retractable handle for luggage or hand trucks

1994-10-18

1996-05-14

Rachuba, Maurina T.

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

Handle, handle component, or handle adjunct

Luggage-type

280655, 190 14, B25G 104

Patent

active

055155766

ABSTRACT:
A retractable handle includes two parallel sleeves, a hollow cross member connected between the sleeves at the top, and two extension rods connected in parallel and moved in and out of the sleeves. The cross member is provided with a spring supported pressure plate, the pressure plate having two oblique guide grooves at two opposite ends and two spring supported lock bolts received in the guide grooves. The lock bolts are forced through through holes on the cross member and the sleeves into locating holes on the extension rods to lock the extension rods in position when the extension rods are extended out of the sleeves; the lock bolts are released from the locating holes on the extension rods when the pressure plate is depressed, permitting the extension rods to be moved to the collapsed position received inside the sleeves.

REFERENCES:
patent: 3572870 (1971-03-01), Marks
patent: 4577877 (1986-03-01), Kassai
patent: 4896897 (1990-01-01), Wilhelm
patent: 5178404 (1993-01-01), Chen
patent: 5181590 (1993-01-01), Carpenter et al.
patent: 5291976 (1994-03-01), Ku
patent: 5294145 (1994-03-01), Cheng
patent: 5295565 (1994-03-01), Latshaw
patent: 5323886 (1994-06-01), Chen
patent: 5355980 (1994-10-01), Hsieh
patent: 5374073 (1994-12-01), Hung-Hsin

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