Suitcase carrier

Details Suitcase carrier Suitcase carrier

2001-05-03

2002-05-07

Young, Lee (Department: 3727)

Trunks and hand-carried luggage

Supporting devices

Wheeled

C280S047330

Reexamination Certificate

active

06382375

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to a suitcase carrier. More particularly, the present invention relates to a suitcase carrier which has an extension seat to be operated smoothly.
Referring to
FIGS. 1
to
3
, a conventional suitcase carrier has a base frame
10
, a U-shaped handle frame
2
, two caster support mounts
12
connected to the base frame
10
to receive two casters
3
, each of the caster support mounts
12
having a recess hole
11
to receive the U-shaped handle frame
2
, four bars
13
connected to the base frame
10
, two pedestals
15
connected to two of the bars
13
and disposed on a bottom of the base frame
10
, and a generally U-shaped frame
20
having a center portion
21
and two arms
22
. Each of the bars
13
has a round hole
14
. The base frame
10
has two channels
16
and two grooves
17
communicating with the channels
16
. The arms
22
are inserted in the channels
16
of the base frame
10
. Each arm
22
has a protruded block
23
. Two protrusions
18
are disposed in the channels
16
to engage with the protruded block
23
. Two cover plates
19
cover the grooves
17
of the base frame
10
. A suitcase
1
is disposed on the base frame
10
. When a user pushes the generally U-shaped frame
20
in a deflected direction, the generally U-shaped frame
20
will not move smoothly.
SUMMARY OF THE INVENTION
An object of the present invention is to provide a suitcase carrier which has an extension seat to be operated smoothly.
Accordingly, a suitcase carrier comprises a positioning seat, an extension seat, a pair of extension arm plates, and two cover plates. The positioning seat has a chamber to receive the extension seat, a bottom notch, a pair of channels, a plurality of positioning holes communicating with the channels, and a pair of inner threaded posts. The extension seat has two pairs of pivot apertures, and two lateral walls. Each of the extension arm plates has a first hollow column inserted in the corresponding channel of the positioning seat and a second hollow column inserted in the extension seat. The first hollow column receives a spring and two studs. The second hollow column receives a spring and two pivot shafts. Each of the pivot shafts has an arbor. Each of the cover plates is disposed on the corresponding first hollow column. Each of the cover plates has two blind holes and two hollow lugs. The hollow lugs match the inner threaded posts. Each arbor is inserted in the corresponding pivot aperture of the extension seat. One stud is inserted in one of the positioning holes of the positioning seat, and the other stud is inserted in one of the blind holes of the cover plate. A screw fastens the corresponding hollow lug and the corresponding inner threaded post together.


REFERENCES:
patent: 4538709 (1985-09-01), Williams et al.
patent: 4618035 (1986-10-01), Mao
patent: 5323886 (1994-06-01), Chen
patent: 5469944 (1995-11-01), Wang
patent: 5524920 (1996-06-01), Tsai

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