GB2414779A - A damping buffer apparatus for a flip-down ceiling screen - Google Patents

A damping buffer apparatus for a flip-down ceiling screen Download PDF

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Publication number
GB2414779A
GB2414779A GB0501306A GB0501306A GB2414779A GB 2414779 A GB2414779 A GB 2414779A GB 0501306 A GB0501306 A GB 0501306A GB 0501306 A GB0501306 A GB 0501306A GB 2414779 A GB2414779 A GB 2414779A
Authority
GB
United Kingdom
Prior art keywords
axle
lid
buffer apparatus
buffer
elastic element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB0501306A
Other versions
GB0501306D0 (en
GB2414779B (en
Inventor
Jeng-Ji Yang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB0501306D0 publication Critical patent/GB0501306D0/en
Publication of GB2414779A publication Critical patent/GB2414779A/en
Application granted granted Critical
Publication of GB2414779B publication Critical patent/GB2414779B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/003—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation with movable parts, e.g. pivoting panels, access doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
    • B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
    • B60R11/0229—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes
    • B60R11/0235—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes of flat type, e.g. LCD
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/1201—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon for damping of axial or radial, i.e. non-torsional vibrations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/262—Type of motion, e.g. braking
    • E05Y2201/266—Type of motion, e.g. braking rotary

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Vibration Dampers (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

A damping buffer apparatus for a flip-down ceiling screen including a case 1 and a lid 2 pivotally coupled with one lateral end 100 of the case 1 for holding a screen 20. The lateral end 100 has two sides forming a first action side A and a corresponding second actions side B. The first action aside A has a speed reducing mechanism 11, 111 to reduce the flipping speed of the lid 2 via a damper C and a reducing gear set T and provide a buffer effect when the lid 2 is driven by a first elastic element S1 and unfolds. The second action side B has a second elastic element S2 compressed by the flipping lid 2 at the initial unfolding stage during the buffering process, and expanded at a later unfolding stage of the lid 2 to provide a returning elastic force to move and anchor the lid 2 in a desired position. The impact and vibration resulting from fast flipping of the lid 2 is thus minimised and may be prevented.

Description

24 1 4779
BUFFER APPARATUS FOR A CEILING SCREEN
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a buffer apparatus for a ceiling screen that has a speed reducing mechanism on a first action side and a second action side corresponding to the first action side and an elastic element to provide buffer and traction to prevent impact and vibration caused by fast flipping or closing of the lid.
2. Description of the Prior Art
Nowadays equipping a multimedia player system in the car has become a growing trend. And the ceiling screen is the main stream used in the car (referring to FIG. 11). However, such type of ceiling screen has a big drawback, namely, the lid flips and turns very quickly. Impact and vibration frequently occurs and life span is affected.
SUMMARY OF THE INVENTION
In view of the aforesaid disadvantages, the object of the present invention is to provide a buffer apparatus for a ceiling screen that has a speed reducing mechanism on a first action side and a second action side corresponding to the first action side and an elastic element to provide buffer and traction to prevent impact and vibration caused by fast flipping or closing of the lid.
To achieve the aforesaid object, the buffer apparatus for a ceiling screen according to the invention includes a case which has a lateral end pivotally coupled with a lid that holds a screen, and a first action side and a second action side on two opposing sides of the lateral end that correspond to each other. The first action side has a speed reducing mechanism to decelerate and buffer the unfolding movement of the lid driven by a first elastic element. The second action side has a second elastic element which is compressed by buffering the opening thrust during the initial unfolding movement of the lid and provides a returning elastic force during expansion at the later unfolding stage to move the lid to a selected position for anchoring. Thus the impact and vibration caused by fast flipping or closing of the lid may be prevented.
The foregoing, as well as additional objects, features and advantages of the invention will be more readily apparent from the following detailed description, which proceeds with reference to the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a perspective view of the invention.
FIG. 2 is an exploded view of the invention.
FIG. 3 is a perspective view of an embodiment of the invention.
FIG. 4 is a fragmentary perspective view of an embodiment of the invention.
FIG. 5 is a sectional view of the invention in a folding condition.
FIG. 6 is a schematic view of the second action side of the invention in operating condition-1.
FIG. 7 is a schematic view of the second action side of the invention in operating condition-2.
FIG. 8 is a schematic view of the second action side of the invention in operating condition-3.
FIG. 9 is a schematic view of the second action side of the invention in operating condition-4.
FIG. 10 is a sectional view of the invention in a unfolding condition.
FlG. 11 is a perspective vied of a prior butler apparatus for a ceiling screen.
DESCRIPTION OF THE PREFERRED EMBODIMENT
Referring to FIGS. 1 through 5, the buffer apparatus for a ceiling screen according to the invention includes a case 1 and a lid 2 pivotally coupled on a lateral end of the case 1. The lid 2 holds a screen 20. The case 1 has a housing compartment 10 and one lateral end 100 which has a transverse notch 101 to couple with a lateral end 24 of the lid 2. The lateral end 100 has a first action side A and a second action side B located on two sides corresponding to each other.
The first action side A includes: a first bracing dock 11 located on an inner side of the lateral end 100 and is fastened to two struts 102 and 103 through screws D. The first bracing dock 1 1 holds a speed reducing mechanism 111 which consists of a damper C and a reducing gear set T.; a first axle seat 21 located on one side of the lateral end 24 of the lid 2 and has an axle gear 211 located on the periphery to engage with the reducing gear set T. The first axle seat 21 has a first axle bore 212 in the center to be run through by an axle 23. The axle 23 has a first axle end 231 extended outside the first axle seat 21. The first axle end 231 has at least one fastening hole 233 to receive a screw D for fastening to a corresponding strut 104 located in the case 1; and a first elastic element S1 to provide an elastic force to flip and unfold the lid 2. It has a leg end S11 wedged in a notch 112 formed on the first bracing dock 11, and a body S 12 anchored on the first axle seat 21.
The second action side B includes: a second axle seat 22 located on another side of the lateral end 24 of the lid 2 opposing the first axle seat 21. The second axle seat 22 has a second axle bore 222 (referring to FIG. 6) to be run through by the axle 23. The axle 23 has a second axle end 232 extended outside the second axle seat 22. The second axle end 232 has at least one fastening hole 234. The second axle seat 22 further has a screw hole 221 on an outer side close to the second axle bore 222; a second bracing dock 25 corresponding to the first bracing dock 11. It has at least one fastening hole 251 on an upper section and a base plate 252 on a lower section with at least one fastening hole 253 formed thereon to receive a screw D for fastening to a corresponding strut 105 located in the case 1 through the fastening hole 234 on the second axle end 232; and a second elastic element S2 to buffer and draw the flipping lid 2 during unfolding. It has a helical body S21 in the center consisting of at least one coil and one distal end extended upwards to form a first leg end S22 to couple with a screw D for fastening to the fastening hole 251 of the second bracing dock 25 and another distal end extended downwards to form a second leg end S23 to couple with another screw D for fastening to the screw hole 221 of the second axle seat 22.
The damper C of the speed reducing mechanism 111 includes a damping gear C1 which engages with a first pinion T1 of the reducing gear set T. and drives a coaxial second pinion T2 which in turn engages with a third gear T3 to drive a coaxial fourth pinion T4. The fourth pinion T4 engages with the axle gear 211 of the first axle seat 21.
The case 1 has a plurality of fastening struts 106 to couple with bolts (not shown in the drawings) to fasten the case 1 to a car body. On one side of the case 1, there are a plurality of video and audio jacks 107 to input and output signals. The bottom of the case 1 has a control button 12 to drive a latch tongue 13 to control closing and anchoring of the lid 2.
The housing compartment 10 of the case 1 houses a video player 14. The front side of the case 1 has a window 141 to allow a disk tray to extend outwards (not shown in the drawings).
The lid 2 has a plate on an inner side to hold the screen 20. Its peripheral side has a button set 201. Referring to FIGS. 5, 6 and 10, when in use for seeing a video optical disk, depress the control button 12. It has a sloped rib 121 on one side to push the latch tongue 13 to retreat from a latch trough 26 to form a unfasten condition, and the lid 2 is urged by the returning elastic force of the first elastic element S1 and flips open; meanwhile the fourth pinion T4 engaged with the axle gear 211 is driven and turned by the flipping lid 2; consequently, the third gear T3, the second pinion T2, the first gear T1 and the damping gear C1 are driven and turned through the speed reducing gear set T. Thus the damping gear C1 turns at a faster speed and the damping force increases. As a result, a greater buffer force is generated to slow down the flipping speed of the lid 2. At the same time, the second elastic element S2 on the second action side B is actuated. At the initial unfolding stage of the lid 2 (referring to FIG. 7), the moving force of the lid 2 is augmented due to the elastic force of the first elastic element S1 and the gravity force resulting from the weight of the lid 2. Besides the buffering effect and speed reduction provided by the first action side A, the second elastic element S2 also bears the force and is compressed during the buffering process. When the lid 2 is unfolded to the vertical position (referring to FIG. 8), the elastic force of the first elastic element S1 decreases, and the gravity force prevents the lid 2 from moving upwards continuously. The buffering force of the second elastic element S2 also decreases, and is expanded outwards from the compressed condition. The expanded elastic force takes place at the later unfolding stage of the lid 2 (referring to FIG. 9) to move and anchor the lid 2 on a desired position so that passengers can see comfortably. To close the lid 2, just move and fold the lid 2 directly. The latch tongue 13 urged by a torsional spring 151 and extended outwards in normal conditions will be latched in the latch trough 26 to anchor the lid 2 in a closed condition.
In sublunary, the buffer apparatus for a ceiling screen according to the invention can prevent the lid from flipping or closing too rapidly, thus the strong impact and vibration that might otherwise occur to the case may be avoided.

Claims (3)

  1. I claim: 1. A buffer apparatus for a ceiling screen comprising a case and
    a lid pivotally coupled on one lateral end of the case, the lateral end having a first action aide and a second action side on two sides thereof corresponding to each S other, wherein: the first action side has a speed reducing mechanism to reduce the flipping speed of the lid when unfolding by an elastic force of a first elastic element and provide a buffer effect; the second action side has a second elastic element compressed by the flipping lid at an initial unfolding stage to provide a buffer effect, and expanded at a later unfolding stage of the lid to provide a returning elastic force to move and anchor the lid on a desired position.
  2. 2. The buffer apparatus of claim 1, wherein the first action side includes: a first bracing dock located on one side of the lateral end of the case to hold the speed reducing mechanism to reduce the flipping speed of the lid and provide the buffer effect; a first axle seat located on one side of a lateral end of the lid having a first axle bore to house an axle; and the first elastic element to provide the elastic force to unfold the lid.
    3. The buffer apparatus of claim l, wherein the second action side includes: a second axle seat located on another side of the lateral end of the lid having a second axle bore to house the axle; a second bracing dock located on the case corresponding to the first bracing dock; and the second elastic element to provide buffer and traction for the flipping lid.
    4. The buffer apparatus of claim 1, wherein the speed reducing mechanism includes a damper and a speed reducing gear set.
    S. The buffer apparatus of claim 4, wherein the damper includes a damping gear.
    6. The buffer apparatus of claim 4 and S. wherein the speed reducing gear set includes a first gear to engage with the damping gear.
    7. The buffer apparatus of claim 2 and 4, wherein the first axle seat has an axle gear on the periphery to engage with a second gear of the speed reducing gear set.
    8. The buffer apparatus of claim 2, wherein the axle has a first axle end extending outside the first axle seat.
    9. The buffer apparatus of claim 8, wherein the first axle end has at least one first fastening hole to receive a screw to fasten the first axle end to at least one corresponding first strut of the case.
    10. The buffer apparatus of claim 3, wherein the axle has a second axle end extending outside the second axle seat.
    11. The buffer apparatus of claim 10, wherein the second axle end has at least one second fastening hole to receive a screw to fasten the second axle end to at least one corresponding second strut of the case.
    12. The buffer apparatus of claim 2, wherein the first elastic element has a leg end wedged in a notch formed on the first bracing dock and a body held in the first axle seat.
    13. The buffer apparatus of claim 3, wherein the second elastic element has a helical body in the center consisting of at least one coil, one end extended upwards to form a first leg end to be fastened to a fastening hole located on an upper section of the second bracing dock, and another end extended downwards to form a second leg end to be fastened to a screw hole on the second axle seat.
    Amendments to the claims have been filed as follows 1. A buffer apparatus for a ceiling screen comprising a case and a lid pivotally coupled on one lateral end of the case, the lateral end having a first action side and a corresponding second action side, wherein: 5the first action side has a speed reducing mechanism to reduce the flipping speed of the lid when unfolding by an elastic force of a first elastic element and to provide a buffer effect; the second action side has a second elastic element compressed by the flipping lid at an initial unfolding stage to provide a buffer effect, _.. . . .. . _.. . . . . _ _.
    10and expanded at a later unfolding stage of the lid to provide a returning elastic force to move and anchor the lid at a desired . c position I, 2. The buffer apparatus of claim 1, wherein the first action side includes: c a first bracing dock located on one side of the lateral end of the case to hold the speed reducing mechanism; a first axle seat located on one side of a lateral end of the lid having a first axle bore to house an axle; and the first elastic element to provide the elastic force to unfold the lid.
  3. 3. The buffer apparatus of claim 3, wherein the second elastic element has a helical body in the center consisting of at least one coil, one end extended upwards to form a first leg end to be fastened to a fastening hole located on an upper section of the second bracing dock, and another end extended downwards to form a second leg end to be fastened to a screw hole on the second axle seat.
    ]4. A buffer apparatus as hereinbefore described with reference to and/or illustrated in Figures 1 to 10. i
    3. The buffer apparatus of claim 1, wherein the second action side includes: a second axle seat located on another side of the lateral end of the lid having a second axle bore to house the axle; a second bracing dock located on the case corresponding to the first bracing dock; and \' the second elastic element to provide buffer and traction for the flipping lid.
    4. The buffer apparatus of claim 1, wherein the speed reducing mechanism includes a damper and a speed reducing gear set.
    5. The buffer apparatus of claim 4, wherein the damper includes a damping gear.
    6. The buffer apparatus of claim 4 and 5, wherein the speed reducing gear set includes a first gear to engage with the damping gear.
    7. The buffer apparatus of claim 2 and 4, wherein the first axle seat has an _. .. . .. . . axle gear on the periphery to engage with a second gear of the speed reducing gear set.
    t 8. The buffer apparatus of claim 2, wherein the axle has a first axle end extending beyond the first axle seat.
    9. The buffer apparatus of claim 8, wherein the first axle end has at least one first fastening hole to receive a screw to fasten the first axle end to at least i one corresponding first strut of the case.
    10. The buffer apparatus of claim 3, wherein the axle has a second axle end extending beyond the second axle seat.
    11. The buffer apparatus of claim 10, wherein the second axle end has at least one second fastening hole to receive a screw to fasten the second axle end to at least one corresponding second strut of the case.
    12. The buffer apparatus of claim 2, wherein the first elastic element has a leg end wedged in a notch formed on the first bracing dock and a body held in \\ the first axle seat.
GB0501306A 2004-06-02 2005-01-21 Buffer apparatus for a ceiling screen Expired - Fee Related GB2414779B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW093115721A TWI232188B (en) 2004-06-02 2004-06-02 Buffering device for a ceiling monitor

Publications (3)

Publication Number Publication Date
GB0501306D0 GB0501306D0 (en) 2005-03-02
GB2414779A true GB2414779A (en) 2005-12-07
GB2414779B GB2414779B (en) 2006-04-26

Family

ID=34215228

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0501306A Expired - Fee Related GB2414779B (en) 2004-06-02 2005-01-21 Buffer apparatus for a ceiling screen

Country Status (3)

Country Link
DE (1) DE202004017601U1 (en)
GB (1) GB2414779B (en)
TW (1) TWI232188B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2423345A (en) * 2005-02-18 2006-08-23 Lear Corp A movable panel assembly for a vehicle including a spring and damper arrangement

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108482270A (en) * 2018-05-22 2018-09-04 合肥诚辉电子有限公司 A kind of vehicle-carrying display screen folding structure

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001097501A2 (en) * 2000-06-16 2001-12-20 Rosen Products Llc Deployable automotive video display
EP1219498A1 (en) * 2000-07-28 2002-07-03 Mitsubishi Denki Kabushiki Kaisha Image reproducing device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001097501A2 (en) * 2000-06-16 2001-12-20 Rosen Products Llc Deployable automotive video display
EP1219498A1 (en) * 2000-07-28 2002-07-03 Mitsubishi Denki Kabushiki Kaisha Image reproducing device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2423345A (en) * 2005-02-18 2006-08-23 Lear Corp A movable panel assembly for a vehicle including a spring and damper arrangement
US7192072B2 (en) 2005-02-18 2007-03-20 Lear Corporation Movable panel assembly
GB2423345B (en) * 2005-02-18 2007-06-27 Lear Corp Movable panel assembly

Also Published As

Publication number Publication date
TWI232188B (en) 2005-05-11
GB0501306D0 (en) 2005-03-02
DE202004017601U1 (en) 2005-02-10
GB2414779B (en) 2006-04-26
TW200420455A (en) 2004-10-16

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PCNP Patent ceased through non-payment of renewal fee

Effective date: 20160121