Information
-
Patent Grant
-
6465750
-
Patent Number
6,465,750
-
Date Filed
Sunday, July 29, 200123 years ago
-
Date Issued
Tuesday, October 15, 200222 years ago
-
Inventors
-
Original Assignees
-
Examiners
-
CPC
-
US Classifications
Field of Search
US
- 200 4301
- 200 1316
- 200 4318
- 200 4319
- 200 4321
- 200 4322
- 200 333
-
International Classifications
-
Abstract
A channel cover is used to protect nonfunctional buttons until such time as the nonfunctional buttons are made functional in consequence of a system upgrade. The channel cover includes a bight, a first leg and a second leg. The first leg has a lip for mating engagement with female structure on at least one of the buttons.
Description
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention pertains to the field of housings for electrical switches, such as button switches. More specifically, the housings hide and protect the buttons.
2. Discussion of the Related Art
New electronic systems devices, such as telecommunications servers, network servers, personal computers, and the like, derive from the efforts of planning and design teams. These teams are tasked with responsibilities that include adding new capabilities into existing systems, as well as building new products. Design and production schedules may be developed according to a strict timetable in an effort to get new products to market as soon as possible. It is frequently the case that new developments in electronic systems are rapidly overtaken and surpassed in an innovative marketplace.
As new products are being developed, future system enhancements may be planned for development and release that is scheduled to occur after the initial product release. Thereafter, the system may be sold with the enhancements intact, or a base model may be sold with an upgrade pathway for inclusion of the enhancements. The enhancements typically include hardware and related software.
An upgrade pathway may include, for example, adding additional busses or sockets for incorporating modular cards. The system housings may also, for example, be provided with switches or buttons that are needed for operator interaction according to planned improvements.
An array of nonfunctional buttons may be added to establish the upgrade pathway. These buttons are susceptible to damage or they may become fouled with debris before their use is actually required. It is desirable to provide a cover that protects such buttons, however, the cover must also permit free use of the buttons once the upgrade occurs. In order to avoid operator confusion as to the purpose of these nonfunctional buttons, it is also desirable that the cover hides the buttons from view until such time as an upgrade renders the buttons functional.
SUMMARY OF THE INVENTION
A button cover according to the principles described herein overcomes the problems described above and advances the art by providing a channel cover that prevents damage to the buttons, protects the buttons from debris, and/or hides the buttons from view until such time as the buttons are needed.
The channel cover according to the instrumentalities described herein comprises a central bight connected to a first leg and a second leg to define a recess therebetween. The first leg comprises a wall of transverse orientation with respect to the bight, and a lip protruding from the wall into the recess. The channel cover has sufficient flexion to permit expansion of the recess to accommodate the button when the lip passes over the button as the button is inserted into the recess. The channel cover may be used to cover a single button or, in an elongated configuration, it is capable of covering a plurality of the buttons when they are arranged in a row. The wall of the first leg preferably has sufficient length to prevent depression of the button when the channel cover is installed in the mating engagement over the button.
In especially preferred embodiments, the channel cover includes a nib protruding into the recess opposite the lip, and this nib engages complimentary structure on the button to secure the channel cover in place.
In still other embodiments, the lip comprises an upper face extending in parallel with the bight. The upper face may be formed of a raised rim that is set off a distance from the wall of the first leg.
The transverse orientation of the wall of the first leg does not have to be a right angle orientation and may, for example, comprise an oblique angle orientation between respective planar surfaces of the wall and the bight.
The aforementioned channel cover may be used according to a method comprising the steps of placing the lip into the complimentary female groove with the second leg resting atop the button, and pressing down on the channel cover to flex the channel cover as the channel cover expands to accommodate the button into the recess. The channel cover may thereafter be detached from the button by pulling straight up on the channel cover.
For example, a button or contact switch may be placed proximate a PCI bus to control delivery of electrical current to the bus. The button could be depressed if an operator desires either to insert or remove a card from the bus, in order that the task may be accomplished without having to power down the entire device.
DESCRIPTION OF THE DRAWINGS
FIG. 1
is a top, right front perspective view of a channel cover for use in protecting nonfunctional buttons;
FIG. 2
is a top, right side perspective view of a button having features for complimentary engagement with the channel cover shown in
FIG. 1
;
FIG. 3
is a perspective view of the channel cover during installation over a row of buttons;
FIG. 4
is a top, left side perspective view of the channel cover after installation of the channel cover is complete; and
FIG. 5
depicts removal of the channel cover from its place of installation to reveal the buttons underneath.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
There will now be shown by way of example and not by way of limitation, a channel cover according to the instrumentalities described herein comprising a central bight connected to a first leg and a second leg to define a recess therebetween. The first leg comprises a wall of transverse orientation with respect to the bight, and a lip protruding from the wall into the recess. The channel cover has sufficient flexion to permit expansion of the recess to accommodate the button when the lip passes over the button as the button is inserted into the recess. The channel cover may be used to cover a single button or, in an elongated configuration, it is capable of covering a plurality of the buttons when the plurality of buttons are arranged in a row. The wall of the first leg preferably has sufficient length to prevent depression of the button when the channel cover is installed in the mating engagement over the button.
FIG. 1
depicts a channel-shaped button cover
100
, i.e., a channel-cover, for use in covering nonfunctional buttons. The channel cover
100
is integrally formed in three main segments including a central bight
102
that preferably but optionally has an arcuate shape, a first leg
104
, and a second leg
106
. These segments
102
,
104
, and
106
combine to form a channel-shaped recess
108
. Channel cover
100
may be formed in any length including a length that is sufficient to cover a single button or a row of buttons.
The first and second legs
104
,
106
have a generally transverse orientation with respect to bight
102
, such that they intersect with bight
102
along edges
110
and
112
, but are generally perpendicular to wall
114
of bight
102
. This transverse orientation is only generally perpendicular in the sense that central wall
114
preferably but optionally forms an arched structure that may cause first leg
104
and/or second leg
106
to deviate inwardly from the perpendicular or true vertical by an angle β, which may, for example, range from 0° to 30 but is preferably less than 15° and most preferably about 5°.
The lower extremity of first leg
104
contains a lip
115
protruding into the recess
108
. Lip
115
preferably but optionally extends for the entire length of channel cover
100
, or lip
115
may only be formed in the precise location where it is useful for engaging complimentary structure on the buttons over which channel cover
100
will be placed in the intended environment of use. Lip
115
includes an upper face
116
that includes an upwardly pointing rim
118
, which is set off inwardly a distance from the inner face
119
of first leg
104
.
The lower margin of second leg
106
contains a semi-ovaloid nib
120
that protrudes into recess
108
opposite lip
115
.
Channel cover
100
is preferably made of a flexible material, such as a synthetic resin, that permits flexure of the first leg
104
over the range of angle β. This material is also preferably but optionally opaque and serves to hide the buttons that it covers.
FIG. 2
depicts a single button
200
that is mounted in a button housing
202
. Interior to the button housing and not shown in
FIG. 2
, are a conventional spring biasing button
200
into the position shown in
FIG. 2
, as well as a conventional electrical contact mechanism that makes electrical contact when button
200
is depressed against the spring bias in the direction of arrow
204
.
Button
200
comprises a neck
206
and a top plate
208
. The top plate
208
presents a greater surface area than does the top midsection of neck
206
. Top plate
208
includes a forward-facing chin
210
with a rounded face
212
. Chin
210
overhangs the button housing
202
to provide a forward-side recess or female groove
214
beneath the chin
210
. The forward-side recess
214
has sufficient dimensions for loose fitting male-female mating engagement with the lip
115
shown in FIG.
1
. Top plate
208
also includes a rearward overhang
216
, which provides a rearward recess
218
for complimentary engagement with the nib
120
on the second leg
106
of channel cover
100
shown in FIG.
1
.
FIG. 3
depicts the channel cover
100
during insertion over a row
300
of buttons
200
,
302
,
304
, and
306
. The buttons
302
,
304
, and
306
are identical to button
200
. Lip
115
has been inserted into the recesses
214
beneath the chins
210
(not shown in FIG.
3
), with nib
120
of the second leg
106
resting beneath overhang
216
of the respective buttons. Downward force exerted in the direction of arrow
308
causes outward expansion of the first and second legs
104
and
106
in the directions of arrow
310
as the nib
120
rides over the respective overhangs
216
and snaps into place.
FIG. 4
depicts the channel cover
100
fully attached after the insertion procedure shown in FIG.
3
. Nib
120
resides in rearward recess
216
beneath overhang
216
, and the lip
115
resides in the forward recess
214
beneath chin
210
. Lip
115
and nib
120
abut the button housing
202
and have sufficient vertical rise
400
to create a small gap
402
and prevent depression of button
200
in consequence of downward pressure
404
that may be applied to channel cover
100
.
FIG. 5
depicts the removal of channel cover
100
at such time as buttons, such as buttons
200
and
302
may be made function in consequence of a system upgrade. A pair of needle-nose pliers is used to grasp channel cover
100
on bight
102
. Upward lifting motion of the pliers
500
in the direction of arrow
502
causes outward flexion of the channel cover that permits removal. A snapping noise is heard as the channel cover is removed from each button. The channel cover may be cut, e.g., at position
504
, so that a portion of channel cover may remain in place over buttons that have not yet been made functional.
The foregoing discussion is intended to illustrate the concepts of the invention by way of example with emphasis upon the preferred embodiments and instrumentalities. Accordingly, the disclosed embodiments and instrumentalities are not exhaustive of all options or mannerisms for practicing the disclosed principles of the invention. The inventor hereby states his intention to rely upon the Doctrine of Equivalents in protecting the full scope and spirit of the invention.
Claims
- 1. A channel cover assembly, comprising:a button comprising a head plate and a neck, the head plate presenting a greater surface area than does the neck to provide a first female receptacle on one side of the neck beneath the top plate and a second female receptacle on another side of the neck opposite the first female receptacle beneath the head plate; a channel cover for use in covering the button, comprising a central bight connected to a first leg and a second leg to define a channel-shaped recess therebetween, the first leg comprising a first wall of transverse orientation with respect to the central bight and a lip protruding from the first wall into the channel-shaped recess, the second leg comprising a second wall of transverse orientation with respect to the bight and a nib protruding from the second wall into the channel-shaped recess opposite the lip, the channel cover having sufficient flexion to permit expansion of the channel-shaped recess to accommodate the button when the lip passes over the button as the button is inserted into the channel-shaped recess to achieve mating engagement of the lip into the first female receptacle and of the nib into the second female receptacle.
- 2. The channel cover assembly of claim 1, wherein the lip of the first leg comprises an upper face extending in parallel with the bight, the upper face having a raised rim that is set off a distance from the wall of the first leg.
- 3. The channel cover assembly of claim 1, wherein the transverse orientation of the wall of the first leg comprises an oblique angle orientation between respective planar surfaces of the wall and the bight.
- 4. The channel cover assembly of claim 1 formed to cover a plurality of the buttons when the buttons are arranged in a row.
- 5. The channel cover assembly of claim 1, wherein the wall of the first leg has sufficient reach to prevent depression of the button when the channel cover is installed in mating engagement over the button.
- 6. A method of installing a channel cover over a button, where the channel cover includesa central bight connected to a first leg and a second leg to define a channel-shaped recess therebetween, the first leg comprising a wall of transverse orientation with respect to the bight and a lip protruding from the wall into the recess, the channel having sufficient flexion to permit expansion of the recess to accommodate the button when the lip passes over the button as the button is inserted into the recess, and the button includes a complimentary female receptacle for mating engagement with the lip, the method comprising the steps of: placing the lip into the complimentary female groove with the second leg resting atop the button; and pressing on the channel cover to flex the channel cover as the channel cover expands to accommodate the button into the recess with the lip engaging the female receptacle.
- 7. The method according to claim 6, further including a step of pulling straight up on the channel cover to remove the channel cover from the button.
- 8. The method according to claim 6, wherein the button is a member of a plurality of buttons in a row of buttons, and the step of pressing comprises accommodating the plurality of buttons into the recess.
- 9. A channel cover for placement over a button, comprising:a central bight connected to a first leg and a second leg to define a recess therebetween, the first leg comprising a wall of transverse orientation with respect to the bight and a lip protruding from the wall into the recess, the channel cover having sufficient flexion to permit expansion of the recess to accommodate the button when the lip passes over the button as the lip is inserted into the recess, wherein the lip comprises an upper face extending in parallel with the bight, the upper face having a raised rim that is set off a distance from the wall of the first leg.
US Referenced Citations (3)