Retaining structure for a track device for preventing...

Details Retaining structure for a track device for preventing... Retaining structure for a track device for preventing...

2001-08-03

2002-09-17

Hansen, James O. (Department: 3637)

Supports: cabinet structure

With movable components

Horizontally movable

C312S333000

Reexamination Certificate

active

06450600

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a retaining structure for a track device for preventing inadvertent inward movement.
2. Description of the Related Art
FIG. 6
of the drawings illustrates a so-called “three-part” conventional track device for a drawer. The track device includes an outer track
91
, a middle track
92
, and an inner track
93
. A plurality of rolling balls
94
are mounted between the middle track
92
and the inner track
93
to allow easy sliding movement of the inner track
93
in the middle track
92
. In order to allow easy assembly, the inner track
93
has a claw
95
with a resilient leg
96
and the middle track
92
has a stop
97
. The resilient leg
96
can be pressed to allow a protrusion
951
of the claw
95
to move across a stop piece
971
of the stop
97
, thereby allowing assembly or detachment between the inner track
93
and the middle track
92
. After the inner track
93
has been engaged in the middle track
92
, the protrusion
951
of the claw
95
is engaged with the stop piece
971
of the stop
97
when the inner track
93
is pulled outward to a predetermined position, thereby preventing disengagement of the inner track
93
from the middle track
92
. However, no means is provided to prevent inadvertent inward movement of the inner track
93
into the middle track
92
when the inner track
93
is inadvertently impinged by the user's elbow or an alien object. In convenience is thus occurred.
SUMMARY OF THE INVENTION
An object of the present invention is to provide a retaining structure for a track device for preventing inadvertent inward movement. The retaining structure comprises a retaining member on a first track and a pressing block on a second track slidably received in the first track. The retaining member has two resilient legs and the pressing block has two protrusions. The legs of the retaining member press against the protrusions of the pressing block when the second track is pulled outward to a predetermined position, thereby preventing inward movement of the second track in the first track. Thus, improvement in convenience during use is provided.
A retaining structure in accordance with the present invention comprises a retaining member on a first track and a pressing block on a second track slidably received in the first track. The retaining member has two resilient legs and the pressing block has two protrusions. When the second track is mounted in the first track and pulled outward to a predetermined position, the legs of the retaining member press against inner sides of the protrusions of the pressing block to thereby prevent inadvertent inward movement of the second track in the first track. When the second track in the predetermined position is pushed inward by an appropriate force, the protrusions of the pressing block press against and thus deform the legs of the retaining member to thereby allow the protrusions of the pressing block to move across the retaining member, thereby allowing inward movement of the second track in the first track.
Other objects, specific advantages, and novel features of the invention will become more apparent from the following detailed description and preferable embodiments when taken in conjunction with the accompanying drawings.


REFERENCES:
patent: 4998828 (1991-03-01), Hobbs
patent: 5181782 (1993-01-01), Wojcik
patent: 5757109 (1998-05-01), Parvin
patent: 5951132 (1999-09-01), Cirocco
patent: 6238031 (2001-05-01), Weng
patent: 6257683 (2001-07-01), Yang
patent: 6350001 (2002-02-01), Chu
patent: 6390575 (2002-05-01), Chen et al.

Affiliated with

Also associated with

Rating

Retaining structure for a track device for preventing... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Retaining structure for a track device for preventing..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Retaining structure for a track device for preventing... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2822862