Swivelable trunk wheel assembly

Details Swivelable trunk wheel assembly Swivelable trunk wheel assembly

2011-01-11

2011-01-11

Mai, Tri M (Department: 3781)

Trunks and hand-carried luggage

Supporting devices

Wheeled

C016S045000, C016S047000, C016S03500D, C188S001120

Reexamination Certificate

active

07866453

ABSTRACT:
The present invention discloses a swivelable trunk wheel assembly, which comprises: a wheel frame, a guide hole, a hollow pivotal shaft, a push rod, a press block, a sleeve pipe, two wheels and two rivets. The sleeve pipe adopts a metallic pipe having a better rigidity, and the inner surface of the sleeve pipe is a smooth surface. Further, the rivets and the sleeve pipe are arranged in the same axis. Thus, the wheels can rotate smoothly without stagnancy. Therefore, the swivelable trunk wheel assembly of the present invention has a better wear resistance and a longer service life. Besides, the present invention uses the push rod to drive the press block to rub the friction portion, and the friction can provide a braking effect on the wheels.

REFERENCES:
patent: 1485571 (1924-03-01), Stevens
patent: 1511688 (1924-10-01), Stimpson
patent: 4677706 (1987-07-01), Screen
patent: 5139116 (1992-08-01), Screen
patent: 6532624 (2003-03-01), Yang
patent: 7703588 (2010-04-01), Chiang
patent: 2007/0215414 (2007-09-01), Chiang
patent: 2007/0289098 (2007-12-01), Tsai

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