US4832419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable display panel for portable computer
Assignee: Compaq Computer Corp
•
Filing: 1988-09-02
•
Granted: 1989-05-23
•
Expires: 2008-09-02
Abstract
Abstract A mechanism for adjusting the height and viewing angle of a flat panel display which is viewed in conjunction with a portable personal computer. The mechanism includes a pair of arms that swing the display panel betwen the lowered and raised position, cooperating with a cam wheel moveable in a cam track. In a raised position, the flat panel display may be adjusted in viewing angle. In a lowered position the flat panel display may be securely latched to the portable personal computer to protect the display from damage.
Inventors
- 👤 Tom Mitchell
- 👤 Gary L. Williams
- 👤 Richard V. Haner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:50
CPC Classifications
G; G06; G06F; G06F1/00; G06F1/16; G06F1/1613; G06F1/1633; G06F1/1675; G06F1/1679; G06F1/1615; G06F1/1656; G06F1/166; Y; Y10; Y10S; Y10S248/00; Y10S248/917; Y10S248/918
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
142 words
A computer display panel mechanism comprising: a display panel; a computer frame for receiving the display panel in a first position in close relation thereto; at least one arm for supporting the display panel at a second position extended outwardly from the computer frame, the arm having a first end hinged to the computer frame and a second end hinged to the display panel; at least one cam lobe mounted to the display panel; and at least one cam track on the computer frame for guiding the cam lobe as the display panel is moved between the first position and the second position such that the display panel is viewable in both the first position and the second position and the display panel when in the second position is substantially parallel to the position of the display panel in the first position.
Claim 2
Dependent Claim
142 words
A computer display panel mechanism comprising: a display panel; a computer frame for receiving the display panel in a first position in close relation thereto; at least one arm for supporting the display panel at a second position extended outwardly from the computer frame, the arm having a first end hinged to the computer frame and a second end hinged to the display panel; at least one cam lobe mounted to the display panel; and at least one cam track on the computer frame for guiding the cam lobe as the display panel is moved between the first position and the second position such that the display panel is viewable in both the first position and the second position and the display panel when in the second position is substantially parallel to the position of the display panel in the first position.
Claim 3
Dependent Claim
29 words
The display panel mechanism according to claim 1 further including bias means between the display panel and the computer frame for urging the display panel toward the second position.
Claim 4
Dependent Claim
36 words
The display panel mechanism according to claim 1 further including releasable latch means for latching the display panel in a first position, the latch means comprising mutually engaging elements on the display panel and computer frame.
Claim 5
Dependent Claim
14 words
The display panel mechanism according to claim 1 wherein the cam lobe is resilient.
Claim 6
Dependent Claim
54 words
The display panel mechanism according to claim 1 wherein the cam track comprises a first wide track portion, a second narrow track portion, the width of the narrow track portion being less than the width of the uncompressed cam lobe, and at least one end portion which prevents further movement of the cam lobe.
Claim 7
Dependent Claim
47 words
The display panel mechanism according to claim 5 wherein the cam lobe is compressed within the narrow track portion when the display panel is in the second position and uncompressed in the wide track portion when the display panel is moved between the first and second positions.
Claim 8
Dependent Claim
64 words
The display panel mechanism according to claim 5 wherein the cam lobe comprises a compressible cam wheel rotatably mounted to the display panel; the cam wheel rotating freely within the wide track portion when the display panel is moved between the first and second position, the cam wheel tightly squeezing within the narrow track portion when the display panel is in the second position.
Claim 9
Dependent Claim
29 words
The display panel mechanism according to claim 1 wherein the display panel is tiltable in relation to the computer frame when the display panel is in the second position.
Claim 10
Dependent Claim
22 words
The display panel mechanism according to claim 1 wherein the cam lobe comprises a cam wheel rotatably mounted to the display panel.
Claim 11
Dependent Claim
204 words
A display panel mechanism for a portable computer comprising: a flat panel display having a front, back and opposing sides; a computer frame having opposing side panels and a lower panel extending from the front of the computer frame for receiving the flat panel display in a nestled position between the opposing side panels and lower panel of the computer frame; a pair of arms supporting the flat panel display in a raised position extended outwardly from the computer frame, each arm having a first end and a second end; the first end pivotably mounted to the back of the flat panel display and the second end pivotably mounted to the front of the computer frame; a pair of compressible and rotatable cam wheels mounted to the opposing sides of the flat panel display; and a pair of cam tracks on the opposing side panels of the computer frame, the cam tracks having a wide track portion and a narrow track portion wherein the cam wheels are rotatable within the wide track portion when the display panel is moved between the nestled position and the raised position and are compressed within the narrow track portion when the display panel is in the raised position.
Claim 12
Dependent Claim
204 words
A display panel mechanism for a portable computer comprising: a flat panel display having a front, back and opposing sides; a computer frame having opposing side panels and a lower panel extending from the front of the computer frame for receiving the flat panel display in a nestled position between the opposing side panels and lower panel of the computer frame; a pair of arms supporting the flat panel display in a raised position extended outwardly from the computer frame, each arm having a first end and a second end; the first end pivotably mounted to the back of the flat panel display and the second end pivotably mounted to the front of the computer frame; a pair of compressible and rotatable cam wheels mounted to the opposing sides of the flat panel display; and a pair of cam tracks on the opposing side panels of the computer frame, the cam tracks having a wide track portion and a narrow track portion wherein the cam wheels are rotatable within the wide track portion when the display panel is moved between the nestled position and the raised position and are compressed within the narrow track portion when the display panel is in the raised position.
Claim 13
Dependent Claim
23 words
The display panel mechanism according to claim 10 wherein the flat panel display is tiltable at an angle when in the raised position.
Claim 14
Dependent Claim
14 words
The display panel mechanism according to claim 10 wherein each cam track is curved.
Claim 15
Dependent Claim
47 words
The display panel mechanism according to claim 10 further including mutually engaging elements on the flat panel display and the computer frame for securing the flat panel display to the front of the computer frame in a nestled position between the opposing side panels and lower panel.
Claim 16
Dependent Claim
32 words
The display panel mechanism according to claim 10 wherein the opposed side panels and lower panel are configured for receiving a keyboard in a nestled position proximate to the flat panel display.
Claim 17
Dependent Claim
130 words
The display panel support mechanism comprising: a frame configured to receive a display panel in a first position in close relation thereto; a display panel mounted on the frame such that it is movable between a first position and a second position; at least one cam lobe mounted to the display panel; and at least one cam track on the frame configured to guide the cam lobe as the display panel is moved between the first position and the second position, the track having a wide portion wherein the cam lobe can move freely and a narrow portion having a width less than the width of the uncompressed cam lobe wherein the cam lobe is compressed and, as a result of such compression, movement of the cam lobe is resisted.
Claim 18
Dependent Claim
130 words
The display panel support mechanism comprising: a frame configured to receive a display panel in a first position in close relation thereto; a display panel mounted on the frame such that it is movable between a first position and a second position; at least one cam lobe mounted to the display panel; and at least one cam track on the frame configured to guide the cam lobe as the display panel is moved between the first position and the second position, the track having a wide portion wherein the cam lobe can move freely and a narrow portion having a width less than the width of the uncompressed cam lobe wherein the cam lobe is compressed and, as a result of such compression, movement of the cam lobe is resisted.
References Cited (Backward Citations)
US1219404A
Cited
US1855953A
Cited
US2476494A
Cited
US2438022A
Cited
CH245626A
Cited
GB833353A
Cited
US3075819A
Cited
US4350399A
Cited
US4294496A
Cited
EP0058242A1
Cited
US4491979A
Cited
DE3202046A1
Cited
US4552418A
Cited
US4633323A
Cited
US4652932A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-05-22 | 1992-11-21 | 1993-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-05-22 | 1996-11-21 | 1997-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-05-22 | 2000-11-21 | 2001-05-23 | $7700.00 | Window Closed / Lapsed |