Bumping block for a track device of a desk

Details Bumping block for a track device of a desk Bumping block for a track device of a desk

2001-02-22

2002-05-07

King, Anita (Department: 3624)

Supports: cabinet structure

With movable components

Horizontally movable

C312S334460

Reexamination Certificate

active

06382751

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a bumping block for a track device of a desk, e.g., a computer desk.
2. Description of the Related Art
FIG. 5
of the drawings illustrates a conventional bumping block
14
and
FIG. 6
illustrates a conventional track device
10
employing such a bumping block
14
. The track device
10
includes a pair of tracks
11
respectively mounted to two mutually facing inner wall surfaces of, e.g., a computer desk. A plate (not shown) for supporting, e.g., a computer keyboard has two sliding strips
12
respectively attached to two lateral sides thereof. Each sliding strip
12
is slidably guided in an associated track
11
. Each track
11
has a mounting hole
13
for receiving a mounting portion
15
of the bumping block
14
. The bumping block
14
includes several protrusions
16
on an end thereof for impeding a front end
17
of the sliding strip
12
. However, the bumping block
14
is made from rigid plastic material and the protrusions
16
cannot provide sufficient resilience or elastomericity for reliably and efficiently absorbing impact from the front end
17
of the sliding strip
12
. As a result, the computer desk is subjected to shocks when pushing the plate into its storage position.
FIG. 7
of the drawings illustrates a conventional bumping block
24
and.
FIG. 8
illustrates a conventional track device
20
employing such a bumping block
24
. The track device
20
includes a pair of tracks
21
respectively mounted to two mutually facing inner wall surfaces of, e.g., a computer desk. A plate (not shown) for supporting, e.g., a computer keyboard has two sliding strips
22
respectively attached to two lateral sides thereof. Each sliding strip
22
is slidably guided in an associated track
21
. Each track
21
has a mounting hole
23
for receiving a mounting portion
25
of the bumping block
24
. The bumping block
24
includes an arcuate bumping member
26
on an end thereof for impeding a front end
27
of the sliding strip
22
. It was, however, found that the arcuate bumping member
26
breaks easily during use.
SUMMARY OF THE INVENTION
It is the primary object of the present invention to provide an improved bumping block for a track device of a desk that improves the bumping effect and increases the structural strength.
In accordance with a preferred embodiment of the invention, a track device is provided for a desk having a plate slidably mounted therein. The track device comprises a pair of tracks respectively fixed to two mutually facing inner walls of the desk and a pair of sliding strips securely and respectively mounted two lateral sides of the plate. A bumping block is mounted to each track and includes an end. An arcuate bumping member is provided on the end of the bumping block for impeding an end of an associated sliding strip. Two ribs project from an end face of the end of the bumping block and extend radially outward toward the arcuate bumping member, thereby presenting a V-shape configuration.
Thus, the end of the sliding strip is impeded by the arcuate bumping member of the bumping block when the plate for supporting the computer keyboard is moved inward. This prevents shocks to the computer desk when pushing the plate inward to its storage position. The ribs of the bumping block improve the structural strength and prevent breakage of the arcuate bumping member.
Other objects, advantages, and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.


REFERENCES:
patent: 5722750 (1998-03-01), Chu
patent: 6220683 (2001-04-01), Chu
patent: 6257683 (2001-07-01), Yang

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