CN1016290B

CN1016290B - Electronic apparatus with keyboard

Info

Publication number: CN1016290B
Application number: CN89106443A
Authority: CN
Inventors: 能村英男; 竹本元司
Original assignee: International Business Machines Corp
Current assignee: Lenovo Singapore Pte Ltd
Priority date: 1988-09-22
Filing date: 1989-08-19
Publication date: 1992-04-15
Also published as: PH26039A; CN2112174U; CN1041461A; KR920005286B1; MY104997A; KR900005270A; GB8912166D0

Abstract

To secure the necessary inclination of a keyboard by fitting a recessed part of a foot member to end parts of recessed part of a bottom part when a keyboard slides over a receiving surface containing the curved surface of the tip part of the foot member formed at the bottom part and turns up to the mounting surface of an electronic equipment. The foot members 12A and 12B are held in parallel to a keyboard 10 and the recessed parts 24A and 24B of the members 12A and 12B are fitted with the end parts 34A and 34B of a recessed part of a bottom part 14. Thus the first tilt angle of the keyboard 10 is set. Then the members 12A and 12B are turned by 90 deg. and the second tilt angle of the keyboard 10 is set. Thus the necessary inclination of the keyboard 10 is secured when the keyboard 10 turns up to the mounting surface of an electronic equipment from the upright state of the keyboard 10.

Description

Electronic apparatus with keyboard

The present invention is relevant with the electronic installation (as portable personal computer) of band keyboard.In this device, keyboard can uprightly leave in the cabinet, in making its dress key facing.

European patent application 273750 discloses a kind of example and has taken the formula data processing unit, it be furnished with one can with its keyboard that detachably is connected, and keyboard is being furnished with a pair of coupled rotationally supporting leg towards a side of processing unit.Processing unit is furnished with a pair of skewed slot, supporting leg can put in therebetween so that keyboard is fixed with processing unit or be connected, like this, keyboard can tilt to place so that the operator grasps key conveniently with respect to location-plate, and can make it upwards arrive stand up position as a cover plate entire display screen is covered when not working.

The objective of the invention is for solve above-mentioned with keyboard detachably with prior art that processing unit is connected in some technical matterss, these problems are:

A. when keyboard is connected with processing unit or separates mutually with it, require the operator to want mobile keyboard so that two supporting legs are inserted into skewed slot as the crow flies or therefrom extract so that can successfully realize connecting or separating, and this quite take the labour concerning the operator.

B. because keyboard with respect to supporting leg configuration, therefore, keyboard must be done to such an extent that cover rack section between screen itself and screen and the skewed slot greatly to can be in its stand up position when need not or transport the time.

In order to address the above problem, the present invention makes each supporting leg at downside a recess, and the front end of a side that is connected at itself and described keyboard has a curved exterior surface.And supporting leg is furnished with a slot device, is used for by directionally linking with boss on keyboard and keeping supporting leg to stretch from keyboard selectively.Be furnished with a pair of dimple such as the such electronic installation of data processing unit in the bottom that it protrudes a height for one, each dimple has an inside surface bending or concave, and the curved exterior surface that is used for admitting supporting leg is so that rotate around supporting leg slidably; Each dimple also has a leading edge, is used for being engaged to described recess when described keyboard moves to the working position, so that keyboard links to each other with equipment.So, make the operator can only supporting leg be put into dimple and recess be meshed with leading edge can realize easily that keyboard and electronic installation are connected, and make the operator need only with supporting leg from dimple that it is meshed recommend keyboard and electronic installation are separated mutually.

In addition, when keyboard during in the upright position, it is the front end that is in supporting leg, rather than as in the prior art in rear end adjacent to keyboard, thereby keyboard can do lessly, gets final product only screen itself is covered when the upright position.

Fig. 1 and 2 shows the concrete device that the present invention is used for portable personal computer.Fig. 1 shows keyboard and routs up from cabinet, is placed on the situation on the placed side of placing portable personal computer, the situation of portable personal computer when Fig. 2 then shows keyboard and is contained on the cabinet.In these two figure, the cabinet 8 of portable personal computer 2 is integrated with the flat display 4 and the floppy disk 6 that are made of plasma display.Keyboard 10 is made the structure of loading and unloading easily on cabinet 8.When keyboard 10 is incorporated on the cabinet 8 (as shown in Figure 2), keyboard just constitutes the part of cabinet, like this, is carrying handle 16 and just can carry this portable personal computer 2.

A pair of

leg member

12A and 12B are contained in rear portion, keyboard 10 both sides respectively.As shown in Figure 3, leg member 12A and the 12B breach 24A and the 24B that have

circular front end

22A and 22B respectively and be right after this front end.The diameter 2R of circular front end 22B is preferably identical with the width of keyboard 10 sides.This has guaranteed that

leg member

12A and 12B can not protrude outside when keyboard 10 is loaded onto cabinet 8, has guaranteed that also leg member has sufficient intensity and supports keyboard simultaneously.In addition, the bottom of cabinet 8 has at the bottom of the case 14, protrudes forward from cabinet side 8A and 8B.

A pair of dimple 18A and 18B are respectively formed at the bottom of the case on two sides of 14.Dimple 18A at the bottom of the case that forms in 8A place, the side of cabinet 8 on 14 is shown in Fig. 4.Admittance surface 32A and the terminal 34A that can embed the breach 24A of leg member 12A that dimple 18A has the curved surface of the front end 22A of a leg member 12A to slide in the above.Similarly, admittance surface 32B and terminal 34B(that can embed the breach 24B of leg member 12B that the dimple 18B on 14 also has the curved surface of the front end 22B of people's leg member 12B to slide in the above at the bottom of the case that forms in 8B place, the side of cabinet 8 sees Figure 10).

The front end 22A of

leg member

12A and 12B and 22B are installed on the keyboard 10, give prominence to outside keyboard rear end 26, adjust leg member, make when keyboard 10 is erectly the loaded onto cabinet 8 as shown in Figure 2 rear end 26 of keyboard 10 be unlikely to run at the bottom of the cabinet 8 casees 14 upper surface 28.

A power switch 30 is contained at the bottom of the case on 14 the upper surface 28.There is a projection 31 at 26 respective electrical source switches, 30 places in the rear end of keyboard 10, so just can disconnecting power switch 30 when keyboard 10 is erectly closed as shown in Figure 2, that is projection 31 promotes power switches 30, and it is disconnected.

At the surperficial rear portion of the keyboard 10 that key is housed a groove 18 is arranged, be used for depositing cable 20, make cable not hinder close rotation when putting down of keyboard 10.

In keyboard 10 back side right front portion braking slider 35A is arranged, correspondingly, opened one at cabinet 8 side 8A and received bolt mouth 36A.As shown in Figure 5, will brake slider 35A and push when the right to when keyboard 10 is in stand up position, brake bars 38A enters and receives bolt mouth 36A, has prevented that keyboard 10 from deviating from from cabinet.Similar, in the left front portion in keyboard 10 back sides braking slider 35B is arranged also, correspondingly, opened one at cabinet 8 side 8B and received bolt mouth 36B.

When erectly be combined on the cabinet 8 keyboard 10(as shown in Figure 2) to overturn and put for the moment, the braking slider 35A and the 35B that at first will be contained in keyboard 10 back sides push the left side and the right respectively to, and brake bars is extracted out bolt mouth 36A and the 36B from receiving from receiving bolt.Then, as shown in Figure 6, as fulcrum, the curved surface by keyboard 10 upper supporting

leg member

12A and

12B front end

22A and 22B is turned to keyboard 10 placed side 50 of placing portable personal computer 2 at 14 admittance surface 32A at the bottom of the case and the slip on the 32B with the center 100 of keyboard 10 upper supporting

leg member

12A and 12B front end 22A and 22B.When placed side 50 was run in the forward position 52 of keyboard 10, the breach 24A on leg member 12A and the 12B and 24B just can be embedded at the bottom of the case mutually 8 casees terminal 34A and the 34B of dimple on 14 respectively, make keyboard 10 be pre-determined tilt, as shown in Figure 7.

As shown in Figure 8, by

leg member

12A and 12B are shifted to the right and the left side respectively, just the relative keyboard 10 difference plates with 12B of leg member 12A can be changeed 90 °, as shown in Figure 9.

Figure 10 shows the mechanism that the leg member plate is changeed on the leg member 12B.The boss 63 of restricted corner and 65 and between boss 63 and 65 is used for limiting the boss 64 of rotation on the periphery of the relative pivot 60 of leg member 12B.Between corner restriction boss 63 and limit rotation boss 64, and the groove 62 and 66 that between corner restriction boss 65 and limit rotation boss 64, forms the fixed supporting leg member respectively.Opening 74 after pivot 60 passes on the member 10R and the cavity 68 on the keyboard 10, the cable receiving channel 18 of keyboard 10 are just on the member 10R of back.Pivot 60 protrudes in that part of ring spring 78 that is tied with beyond the cavity 68.A threaded hole is arranged on the pivot 60.Packing ring 80 is fastened on the front end of the pivot 60 that is tied with ring spring 78 by screw 82.At this moment, groove 62 is in the situation that cavity 68 inner convex platforms 70 are lived in embedding, and ring spring 78 is between wall 84 and the packing ring 80, makes the opposite direction of leg member 12B deflection arrow A.

For plate changes leg member 12B, pull out leg member 12B by the arrow A direction along pivot 60, the engagement of groove 62 and boss 70 is unclamped.Leg member 12B just can rotate by direction shown in the arrow B like this.Yet when it had changeed 90 °, boss 70 was run into boss 65.At this moment, if leg member 12B is unclamped, boss 70 is fixed on leg member 12B the position of having changeed 90 degree with regard to embedded groove 66.In Figure 10, in the cavity 76 of the back member 10R of the axle 72 insertion keyboards 10 of leg member 12B, make back member 10R change 90 with leg member 12B.

Figure 11 shows in that

leg member

12A and 12B are pulled and turn 90 degrees back keyboard 10 and be placed on situation on the face of placing personal computer 2.Because the angle between keyboard 10 and the leg member 12A is 90 degree, if so the length W of keyboard side and the length V of leg member 12A determined that the inclination angle Φ that keyboard is 10 staggered relatively 50 also just can determine.Figure 12 show leg member 12A changeed as shown in Figure 11 90 degree with and the keyboard 10 of personal computer 2 situation about being in use.

As mentioned above, according to this concrete device, by the breach 24A of

leg member

12A and 12B and 24B being embedded at the bottom of the case the terminal 34A and the 34B of dimple on 14 respectively, and keep leg member 12A parallel with keyboard 10, first pitch angle (see figure 7) of keyboard 10 just can be set with 12B.By being pulled,

leg member

12A and 12B turn 90 degrees second pitch angle (seeing Figure 12) that keyboard 10 just can be set.

Though the front end 22A of

leg member

12A and 12B and 22B do circular in above concrete device, it is round not necessarily leaveing no choice but in fact, can be other shape, as long as can make their keyboards 10 that overturns that can on 14 admittance surface 32A at the bottom of the case and 32B, slide at the curved surface of the formation on front end 22A and the 22B.

In addition, making

leg member

12A and 12B can also be that real to open clear 61-164533(application number be clear 60-47078 in Japanese Utility Model except shown in Figure 10 by the mechanism of switching), in fact opening clear 62-28241(application number is clear 60-120479), or real to open clear 59-166324(application number be clear 58-60550) in the mechanism that disclosed.This that is to say that any mechanism that can make leg member 12A and predetermined angular of 12B switching and be fixed on a certain precalculated position all can use.

See that again the present invention is not limited to

leg member

12A and 12B can be comprised that also

leg member

12A and 12B are the structures of fixing by the structure of switching.Even this is to fix because of them, also keyboard 10 can be turned to the pre-determined tilt position by terminal 34A and the 34B that the breach 24A of

leg member

12A and 12B and 24B is embedded at the bottom of the case dimple on 14 respectively.

Also have, though above-mentioned concrete device is relevant with portable personal computer, obvious visible this of people of being familiar with this area also can be used for the desktop PC.

In addition, the obviously visible the present invention of those skilled in the art that is not limited to personal computer, in general also or be used for mainframe computer and other is such as electronic equipments such as word processors.

Advantage of the present invention is that muscle power that expense is not big can make keyboard and electronic installation realize linking or separating easily, and keyboard can do to such an extent that size is less, is connected with electronic installation rotationally.

Accompanying drawing has:

The skeleton view of the portable personal when Fig. 1 is combined in its cabinet for adorning according to concrete device, a keyboard of the present invention.

The skeleton view of the portable personal computer when Fig. 2 is combined in its cabinet for adorning according to concrete device, a keyboard of the present invention.

Fig. 3 is the side view of explanation keyboard leg member.

Fig. 4 is the fragmentary, perspective view of the formed dimple of a side at the bottom of case.

Fig. 5 is contained in the partial rear view of the braking slider at the keyboard back side for explanation.

Fig. 6 is the side view of explanation upset keyboard.

Fig. 7 has been turned to the side view of the lip-deep situation of placing personal computer for the explanation keyboard.

Fig. 8 illustrates the operational circumstances of switching leg member.

Fig. 9 is the side view of explanation switching leg member.

Figure 10 makes the decomposition diagram of an example of the mechanism that leg member can switching for explanation.

Figure 11 is pulled the side view of keyboard situation when turning 90 degrees for the explanation leg member.

Figure 12 uses the method that is in the keyboard under Figure 11 situation for explanation.

In above-mentioned these accompanying drawings, 2 is portable personal computer; 8 is cabinet; 10 is keyboard; 12A, 12B are leg member; 14 be case at the bottom of; 18 is the cable receiving channel; 18A, 18A are dimple; 22A, 22B are front end; 24A, 24B are breach; 32A, 32B are admittance face; 34A, 34B are terminal; 30 is power switch; 31 is projection.

Claims

1, a kind of electronic installation that has keyboard, the binding of keyboard and electronic equipment is removable, when described keyboard and described device are connected, keyboard can have to be selected to place its upright position covering with the display screen that is combined in described device, and can place with respect to outside on the working position of a predetermined device plane inclination described display screen being exposed to, when state keyboard and described equipment and be separated the time, keyboard is to be supported by a pair of leg member of coupled knot rotationally, to keep keyboard to be inclination, it is characterized in that with respect to a predetermined placed side:

Downside at each leg member has a breach, the device that the front end of a side that is connected at itself and described keyboard has a curved exterior surface and to be used for keeping the leg member that is associated to stretch from described keyboard; And

Described device divides in the case bottom of protruding a height is furnished with a pair of dimple, each described dimple has an outer surface of admitting the described bending of described leg member slidably, be used for when described keyboard moves to described stand up position or moves on to described working position, can be with respect to the described device described leg member that slides, and each described dimple has a leading edge, be used for when described keyboard moves to described working position, be engaged to described otch so that keyboard keeps linking to each other with described device, thereby described keyboard can be placed with respect to described placement plane inclination ground.

2, have the electronic installation of keyboard according to claim 1, it is characterized in that:

The described case bottom of described equipment is assigned a power switch; And

Described keyboard is furnished with a projection in the rear end, push so that its disconnection in order to described power switch when described keyboard moves to described stand up position.