CN1344358A - Improvements in or relating to tripod stands - Google Patents
Improvements in or relating to tripod stands Download PDFInfo
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- CN1344358A CN1344358A CN00805276A CN00805276A CN1344358A CN 1344358 A CN1344358 A CN 1344358A CN 00805276 A CN00805276 A CN 00805276A CN 00805276 A CN00805276 A CN 00805276A CN 1344358 A CN1344358 A CN 1344358A
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- holding element
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- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 2
- 210000002683 foot Anatomy 0.000 claims 7
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 244000182067 Fraxinus ornus Species 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 6
- 230000003993 interaction Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241001125877 Gobio gobio Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 230000008520 organization Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/32—Undercarriages for supports with three or more telescoping legs
- F16M11/34—Members limiting spreading of legs, e.g. "umbrella legs"
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- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/02—Locking means
- F16M2200/025—Locking means for translational movement
- F16M2200/028—Locking means for translational movement by positive interaction, e.g. male-female connections
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Accessories Of Cameras (AREA)
Abstract
A tripod stand for supporting equipment such as a TV camera or the like comprising a mounting (10) for the equipment having a central axis and three telescopic legs (17, 18) extending from the mounting, the legs having head ends (40) pivotally attached to the mounting at locations equi-spaced around said central axis of the mounting to allow the legs to fold together in a closed position and outwardly to an erect position in which they diverge in tripod form from the mounting, and foot ends (50, 51) to engage the ground or other surface on which the stand is to be used. Each leg comprises a plurality of slidably engaged interlocking channel section members (17, 18, 19) facing outwardly of said axis to extend and retract with respect to one another. One of said members (17) is being pivotally attached to the mounting to swing between said folded and erect positions and each of the further members having menas to lock the member in any position of extension/retraction with respect to the adjacent member to later the height of the tripod stand.
Description
The present invention relates to tripod, especially, but not exclusively be applicable to tripod such as equipment such as television cameras.
The tripod that is used for TV or video camera comprises camera mounting and three retractable supports legs, each supporting leg has head end and foot, head end is articulated in fitting seat in the position of opening around the fitting seat equi-spaced apart, so that supporting leg is folded and outwards to decorating position in operating position, wherein they are branched into the tripod form from fitting seat at decorating position, and the foot ground-engaging, such tripod is well-known.Our European patent No.0541579B discloses a kind of tripod, wherein, each supporting leg comprise by two thereon, the upper member that constitutes of the parallel tubes that connects by interface member (cross pieces) of lower end, the top interface member is articulated in camera mounting, so as between inside packed locations and outside decorating position folding supporting leg.The central module of supporting leg also comprises a pair of isolated so that parallel tubes that slides between the pipe of upper member, and thereon, the lower end still connects by interface member.The pipe of central module extends in the hole of the following interface member of upper member slidably, and the last interface member of central module is slidably engaged on the pipe of upper member.On interface member on the central module, be provided with locking device, central module is locked in any position of extending with respect to upper member.The bottom part of supporting leg comprises the pipe in the hole of a following interface member that is slidably engaged in central module, and an interface member that engages the pipe of central module is slidably arranged in the top, in its lower end one supporting foot is arranged.Locking device is located on the following interface member of central module, so that lower member is locked in any position of extending with respect to central module.Along with the supporting leg parts are withdrawn fully, the following interface member of central module abuts the following interface member of upper member, and the supporting foot of bottom part abuts the interface member of central module.Can not be with in bottom and the whole complete retraction upper member of central module, so can not make supporting leg compact as desired.
And, the locking device that the operator prefers being used for each extendible supporting leg parts is positioned on these parts rather than at non-moving parts, thereby can discharge and stretch supporting leg by one-handed operation, rather than need unclamp latch on non-moving parts, in another operation, regulate this movable part then.
For fear of this shortcoming, the invention provides a kind of tripod that is used to support such as equipment such as television cameras, this tripod comprises the fitting seat that a medial axis is arranged that is used for this equipment, with three retractable supports legs that extend from fitting seat, these supporting legs have head end and foot, the position of head end equi-spaced apart around the medial axis of fitting seat is articulated in fitting seat, so that supporting leg can fold and outwards to decorating position in operating position, wherein they are branched into the tripod form from fitting seat at decorating position, and foot engages ground or other surfaces that column will use, each supporting leg comprises a plurality of channel member that engage interlocking slidably, towards the described axis outside, each other can be flexible relatively, one of described parts are articulated in this fitting seat, so that between described folding and decorating position, swing, and other each parts have the device that these parts is locked in any position of stretching/contracting with respect to the adjacent component of approaching described fitting seat, thereby change the column height.
In preferred arrangements, the cross section of the parts from the fitting seat end to foot reduces gradually, is slidably engaged in the last parts along supporting leg each continuous parts from the fitting seat end to foot.
In above-mentioned any arrangement, locking device can comprise a elongated element on described other each parts, be close to the inboard extension of one sidewall along the length direction of these parts, and can with the outer side engagement of another parts that can slide thereon, this element in its end around the axis that extends along the length direction of these parts, forming between position that described another parts are free to slide with respect to these parts and the sidewall of locking member that jam engages and be installed in rotation on these parts between the position that parts are locked together at these parts.
In the arrangement of back, when locking member being kept described with it locking joint near the locking of supporting leg parts and adjacent component engages, the locking member on described other each parts is arranged to and can passes outside the center.
In any arrangement in front, can be provided with the parts of eliminating sideshake between the adjacent supports pin components that is parallel to pivotal axis.
More precisely, these parts that are used to remove gap between the adjacent supports pin components can comprise and are installed in described parts and along the elongated cam of described supporting leg on the subsequent parts of penult parts, thereby act on along on the lap of next parts of supporting leg, with the gap between the removing component.
According to another characteristic of the invention, the cross section of parts is such, the axis of bending of each supporting leg aligns with the point of reaction force acts on supporting leg from ground of the foot of supporting leg, make side loading on the supporting leg be parallel to this axis usually can not cause the distortion of supporting leg, wherein supporting leg pivots around this axis with respect to fitting seat.
In the situation of back, parts at the head end of each supporting leg can have a pair of slot part, form flute profile in the face of the both sides of supporting leg, next channel member that the channel-shaped portion of one side of supporting leg divides admittance to be sliding engaged to therein, and the axis of bending of the flute profile part positioning supports leg of the opposite side of supporting leg extends so that pass the point of action of reaction force of the foot of supporting leg as mentioned above.
At above-mentioned arbitrary arrangement, the foot of each supporting leg can have the supporting foot parts that connect the angled ground-engaging on it, these supporting foot parts are connected in supporting leg, and the axis of bending that makes the load that is applied on the supporting foot pass supporting leg along the pivotal axis direction that is parallel to supporting leg and fitting seat acts on the foot of supporting leg.
And the each several part of supporting leg parts can be such, and promptly the corresponding axis of scratching of the axis of bending of supporting leg and supporting leg intersects on fitting seat.
According to another feature, the each several part of supporting leg parts is such, and promptly the corresponding pivot axis of the axis of bending of supporting leg and supporting leg intersects on fitting seat.
In another structure according to the present invention, locking device can comprise from the outstanding elongated holding device of a sidewall of groove, on the opposite side that is bonded on water jacket, and is provided with the device of flexible this holding device with locking and release groove.
For example, holding device can comprise an elongated holding element and and act on elongated driver part on the holding element, wherein holding element is stretched and form clamping to engage, then discharge holding action along other direction with the sidewall of adjacent slot along the longitudinal movement of a direction.
More precisely, this elongated driver part can have a series of along the isolated shallow serrated teeth of its length, can engage with the corresponding serrated teeth on the holding element, make the motion of driver part on a direction make holding element form clamping with the sidewall of adjacent slot and engage away from the sidewall of its respective grooves.
In a concrete arrangement, holding element that this is elongated and elongated driver part can have other the device that engages one another, these devices make holding element really along described opposite direction from initiatively return clamping that driver part moves engages.
In preferred structure according to the present invention, the described channel member that holding device is installed on it can have an elongated side channel, prolongs the length of sidewall, and holding element and cam part are installed in sidewall.
In the arrangement of back, guiding device can be set, so that guide driver part linearly, wherein make holding element to groove outside displacement along moving of a direction along groove, motion in opposite direction makes in the holding element retraction groove.
Preferably also be provided for regulating the device of holding element in advance, so that act on the sidewall of next groove at holding element before motion is minimized with respect to the position of driver part.
Preferably the driver part of each groove by at the Effector of an end of groove along its corresponding groove displacement.
More precisely Effector can be included in a described end around be transverse to that rotational ground that supporting leg extends is installed and with the lever of cam part interconnection so that along with the rotation displacement cam part of lever.
Be the description of the embodiment of the invention done with reference to accompanying drawing below, wherein:
Fig. 1 is the perspective view that is used for the tripod of TV or video camera of the present invention;
Fig. 2 is the sectional drawing that passes a supporting leg of tripod;
Fig. 3 be complete folded form of the present invention another kind of projection camera tripod perspective view;
Fig. 4 is the perspective view of the tripod shown in Figure 3 of the form of setting up fully;
Fig. 5 is the front view of a supporting leg of the tripod that stretches of part;
Fig. 6 to 9 shows the top of channel-shaped portion section in the mode of perspective, it has the elongated holding device that extends along the longitudinal direction of a side of groove, be used for corresponding channel-shaped portion section is clamped together, this holding device by make the bellcrank lever and the release position of Fig. 6 and 8 with handle at the associated mechanisms shown in the locked position of Fig. 7 and 9;
Figure 10 and 11 forms with side view show the upper end of the flute profile part of Fig. 6 to 9, and wherein bellcrank is in corresponding locking and release position;
Figure 12 and 13 is another perspective views of the upper end of flute profile part, and wherein the bellcrank lever is used to handle the abridged locking framework;
Figure 14 is the planimetric map of the flute profile part of Figure 12 and 13;
Figure 15 is the elongated holding element that for clarity sake illustrates discretely and the perspective view of corresponding driver part;
Figure 16 is the longitudinal sectional drawing that passes clamping and driver part, shows the holding element that is in retracted position with respect to driver part; And
Figure 17 is similar figure, shows the holding element that is stretched by driver part.
At first with reference to Fig. 1, show a kind of tripod that is used for TV or video camera, this tripod comprises a fitting seat 10 that is suitable for receiving and supporting projection camera.This fitting seat be circular and its periphery near the groove or the pod of three equi-spaced apart are arranged, the upper end of wherein tensile supporting leg 12 is articulated in this around stingy axis, one of pivot is labeled as 13, make supporting leg can inwardly be folded to favorite places, and outwards form the tripod form, thereby on the ground or other surfaces that tripod are supported on to use to decorating position.
Referring now to Fig. 2, comprise with one of supporting leg shown in the complete retracted form and to be generally the upper member 17 I shaped beam section form, form flute profile part 18,19 in its both sides, middle channel member 20 that can in the groove 18 of upper member, be sliding engaged to and the bottom channel member 21 that can be sliding engaged in partly in the flute profile of intermediate member.
The upper end of intermediate member 20 has interface member 22, and with more obvious purpose, stretch out outside the both sides of these parts its end for below.The lower end of parts 20 has similar interface member.Two interface member become definite shape or cutting, so that the upper and lower channel member is passed through when supporting leg is flexible as mentioned above.
The groove 18 of parts 15 has the sidewall 23 of convergence, is provided with intermediate support pin components 20 between sidewall, and they are restricted on side direction, but can be free to slide in the vertical.The inboard of a wall of groove 18 has groove 24, and the adjacent wall 25 of middle channel member has corresponding groove 26.Elongated two scroll cam members 27 extend between sidewall 25 and sidewall 23, this two side engages in groove 24 and 26, so that the pivotal axis of intermediate member 18 with respect to upper member 15 to be provided, and provide by adjustment cam element rotationally and carry out the lateral adjustment of intermediate member on upper-part, thereby eliminate the sideshake between two parts.
Cam member is installed in the interface member end of upper and lower end of a side of intermediate member 17 at place, its top and bottom that are used for regulating rotationally.At the opposite side of groove, the internal surface of sidewall 23 is formed with angled groove 30, and this groove has the summit 31 of rounding, and the adjacent wall 32 of intermediate support pin components has similar angled groove 33, and this groove has recessed summit 34.The elongated braking member 34 of triangular-section has the summit 36,37 that engages respectively between summit 31,34.Braking member thereon, the lower end is installed on the interface member of the upper and lower end on the opposite side of intermediate member of supporting leg pivotally.Lever is connected in braking member in the top, so that the rolling brake element, thereby locks together and discharges top and middle channel member, and is as described below.
Braking member 35 by rotatable parts in the counterclockwise direction, middle channel member is pulled out outmost surface 30a that channel member is resisted against the angled groove in inside of trough-shaped side walls 21 up to a side of delta-shaped members go up and discharge.In this position, intermediate member freely slides with respect to upper member, so that optionally stretch.When middle parts arrived desired location, Lock Part clockwise rotated, and intermediate member is drawn in channel member.At last, the summit of delta-shaped members and the summit of middle groove 34 through dotted line 40 with " surpassing center (over centre) ", " surpassing the settling position on the " center "; wherein a side of delta-shaped members supports by the block piece (not shown) between the diapire of the diapire of middle channel member and last channel member, avoiding further changing in this groove and just arrive.
The lower end of bottom channel member has and is attached thereto the supporting foot that connects, so that engage ground or other surfaces that this tripod will use.Top channel member 17 is shown as being the I tee section, and the section depth of all grooves and wall thickness are such, and promptly the axis of bending of each channel member overlaps, and just aims on the length direction of supporting leg.Therefore, supporting leg in transverse movement crooked around axis of bending extend to the position that supporting foot is connected in the bottom of supporting leg, and also pass the pivotal axis of the upper end of supporting leg.Therefore, the side loading on the supporting leg can not make the supporting leg distortion.
It maybe can be the high tensile aluminium alloy extrusion that the parts of supporting leg can be made by cfrp.The bottom part of each supporting leg is expressed as channel-section, providing with middle and upper member is visual consistent, but should understandablely be not have nested with it parts because of bottom part, so in fact needn't make the fluting form.Replace can be the sealing tubular or be exactly solid section.
Referring now to another embodiment shown in Fig. 3-5, with the similar identical reference mark of parts employing among first embodiment.
As we as described in the first to file, the tensile supporting leg 12 of each of tripod comprises towards outer top channel member 17, these parts have the pivot moulded parts 40 of end fixed thereon, the Unitarily molded gudgeon 41 that stretches out in the both sides of this moulded parts is with the corresponding pod on the both sides of the groove that engages fitting seat 10.The lower end of parts 17 has the guiding moulded parts 42 that is fixed thereon, and it has open front 43, so that next channel member 18 can slip into and skid off upper member 17.As the described adjustment cam 27 of our earlier application thereon, the lower end is installed in rotation on moulded parts 40 and 42 respectively and the internal side wall 17a of upper member 17 and then.Cam 27 can with the outer side engagement of next channel member 18 of supporting leg, parts 18 stretch in the upper member 17 herein, as we described in the first to file.
Channel-section parts 18 are sealed by moulded parts fixed thereon 45 in the top, and are sealed by the guiding moulded parts 46 that is similar to moulded parts 42 in its lower end.And moulded parts 46 has open front 47, and next channel-section parts 19 is passed.
Foregoing adjustment cam 27 is being similar in its end is installed in the moulded parts 45 and 47 of parts 18 near the sidewall 18a of these parts of assembling set of cam 27 of upper member 17.Elongated brake member 35 extends and is installed in rotation in the top in the moulded parts 45 along the length direction of parts 18, and its lower end 46 is installed on the outside of sidewall 18b of these parts, with the inboard of the sidewall 17b that engages upper member.Brake member is rotated between locked position and release position by the molded lever 48 that is connected in its upper end, in locked position, concordant and the brake member of lever 48 and parts 18 forms jam respectively and engages between the sidewall 17b of parts 17 and 18 and 18b, and in the release position, these parts extend to supporting leg 18 outsides, and parts 18 freely slide with respect to parts 17, as we described in the first to file.Cam 27 carries out preconditioning, in case the overrelaxation between absorbing member 17 and 18, and suitable gap value is provided between parts, be used in the level and smooth slip of release position and the correct locking between the parts of jam position.
Except replacement has the counterdie product 46 of opening, the last innermost parts 19 of supporting leg are similar to intermediate member 18 and constitute, it has supporting foot moulded parts 50 fixed thereon, penetrates ground or other surfaces that tripod will use at outstanding pin 51.Parts 19 have near the outside of the sidewall 19a that pivotally is installed in parts in the upper and lower mould product of parts and brake member 35 that handled by lever 52.
As can be seen, in the time of in supporting leg parts 18 and 19 are withdrawn upper member 17 fully, these two parts 48 and each brake lever of 52 are on the top of supporting leg concordant with pivot moulded parts 40 side by side from the layout of Fig. 1.In order to extend one of them supporting leg parts, corresponding lever 48 or 52 turns to its release position, and is used to make the supporting leg parts outwards to slide, to arrive the desired location that prolongs.Lever returns to its locked position then.Therefore, each supporting leg parts can extend with respect to its adjacent component by manual activity, rather than the action of sliding as trombone.
Referring now to other arrangements shown in Fig. 6-17, the top flute profile part 20 of supporting leg has outwardly open side channel 60, is sealed and is opened in the top by unshowned end wall in its lower end, shown in mark 61.Side channel is equipped with elongated holding element 62 and is positioned at the elongated driver part 63 of holding element correspondence afterwards in groove.Driver part 63 is that the rear portion of T shape cross section and side channel is corresponding T shape cross section, thus the lifting in groove of restriction driver part.
Clamping and driver part 62,63 illustrate in Figure 15-17 better, now with reference to these figure.Holding element 62 has elongated antetheca, and it provides elongated clamp face 64, sidewall 65, and opening in the back.Whole serrated teeth 66 form that these parts between sidewall are opened with the intervals of rule in the holding element upper edge forms.
As previously shown, the lower end of side channel 60 is sealed by end wall, and headless screw is installed in the wall, to regulate the vertical position of holding element 62 with respect to driver part 63, make holding element can preestablish closed side near outer slot part, slot part inside groove 20 is bonded into and is held and is discharged into water jacket outside, and is as described below.
With reference to Figure 16 and 17, the many teeth 67 on the holding element are replaced by the angle rib 69 on the side 65 of these parts.These angle ribs are bonded in the chamfered groove 70 of side of the corresponding teeth on the driver part 63.When driver part 63 was pushed down, the interaction of hook tooth laterally promoted holding element 62, as shown in figure 17, thereby with the adjacent side channel clamping of next channel-section parts.When holding element promoted, the interaction of the rib 69 in the groove 70 was withdrawn holding element 62 as shown in figure 16.
Now description is made driver part 63 with respect to the operating mechanism of side channel 60 liftings with release and this holding element 62 of clamping.
Be used to encapsulate the shell of operating mechanism (for clarity sake omitting) and the top of flute profile part 20 forms integral body.This shell support-side is used for the horizontal axis rotation around the horizontal expansion of flute profile part to outrigger shaft 71.On axle 71, be molded as the block or the prism 72 of triangular-section, thereby near place, a summit of the prism the upper open end of side channel 60 rotates therewith.Being installed in crank pin on second summit of this prism 73 packs in the groove 68 of upper end of driver part 63 slidably.When this block rotates with axle 71, driver part 63 lifting in side channel.Axle 71 also has integrally formed with side prism 72 is isolated cranks arm 74.
This housing is also at pivot 76 upper support bellcrank actuating linkages 75.The part of lever 77 is outstanding from housing, is used for around pivot 76 lifting levers, shown in Figure 10 and 11.Another part of lever comprises isolated cheek 78, and cylinder 79 is supported in the middle of the cheek rotationally.When lever pivots between its stowed position shown in Figure 10 and its release position shown in Figure 11, this cylinder engages a side of prism 72, thereby prism is pivoted between its stand up position shown in Figure 10 and its release position shown in Figure 11, be in its lower position and holding element 62 is extended into foregoing joint at stand up position driver part 63, rotate with axle 71 at the described release position of Figure 11 prism, with lifting side members 63, thus the holding action of release holding element 62.
Promote driver part 63 for guaranteeing that prism rotates, the axle that has cylinder 79 on the bellcrank lever is outstanding on the inboard of groove 17, crank arm on 74 to be bonded on, drive described arm downwards when bellcrank lever 77 promotes, this illustrates in Fig. 6 and 11 better.
Be provided with kindred organization at the other end along next downward flute profile part 21 of supporting leg, operating mechanism is laterally disposed, thereby when the flute profile part was packed up fully, operating mechanism was adjacent to each other.
The supporting leg of tripod is flexible in above-mentioned mode, so that optionally set up, regulate or folding tripod.
Claims (19)
1. tripod that is used to support such as equipment such as television cameras, this tripod comprises and is used for this equipment, fitting seat and three retractable supports legs that extend from this fitting seat with medial axis, these supporting legs have the position of equi-spaced apart around the described medial axis at fitting seat and are articulated in this fitting seat, so that these supporting legs fold and outwards become them in operating position is the head end of the stringer of tripod form from the fitting seat bifurcated, with engage ground-engaging or other the surperficial foots that this tripod will use, each supporting leg comprises a plurality of interlockings that engage slidably, channel member towards the described axis outside, thereby each other can be flexible relatively, one of described parts are articulated in this fitting seat, so that between described folding and decorating position, swing, and other each parts have the device that these parts is locked in any position of stretching/contracting with respect to the adjacent component of approaching described fitting seat, so that change the height of tripod.
2. tripod as claimed in claim 1 is characterized in that these parts reduce to the foot cross section continuously from the fitting seat end, is slidably engaged in the last parts along this supporting leg each continuous member from the fitting seat end to foot.
3. tripod as claimed in claim 1 or 2, it is characterized in that, this locking device is included in and extends along the length direction of these parts, near the inboard of one sidewall, on described other each parts and thereon can with the elongated element of the outer side engagement of next parts, the axis that this element extends around the length direction along these parts in its end, between the position that jam engages between the sidewall that position that described next parts are free to slide with respect to these parts and locking member are implemented in these parts, be installed in rotation on these parts, thereby parts are locked together.
4. tripod as claimed in claim 3, it is characterized in that, when it kept described locking to engage with it the locking member near locking of supporting leg parts and adjacent component engages, the locking member on described other each parts was arranged to through surpassing the position at center.
5. the described tripod of each claim as described above is characterized in that, is provided with the device that is used to eliminate the sideshake that is parallel to pivotal axis between the adjacent supports pin components.
6. tripod as claimed in claim 5, it is characterized in that, the device that is used to eliminate gap between the adjacent supports pin components comprises and is installed in described parts and along the elongated cam of this supporting leg on the subsequent parts of parts second from the bottom, so that act on along this supporting leg on the lap of next parts, eliminate the gap between the parts.
7. the described tripod of each claim as described above, it is characterized in that, the cross section of these parts is such, the axis of bending that is each supporting leg aligns to the point on the supporting leg with the reaction force acts supporting leg foot, ground, make act on the supporting leg, be parallel to supporting leg usually and can not cause the supporting leg distortion with respect to the side loading of the pivotally supported axis of this fitting seat.
8. tripod as claimed in claim 7, it is characterized in that, parts at the head end of each supporting leg have the double flute part, formation is towards the flute profile of supporting leg both sides, the flute profile part of one side of this supporting leg is held next channel member that engages slidably therein, and the channel-shaped portion of the opposite side of this supporting leg branch forms the axis of bending that is used for locating this supporting leg, extends through the reaction force acts point at the foot place of this supporting leg as previously mentioned.
9. as claim 7 or 8 described tripods, it is characterized in that, the foot of each supporting leg has the supporting foot parts of angled connection ground-engaging thereon, these supporting foot parts are connected in supporting leg, and the axis of bending that makes the load be applied to supporting foot pass this supporting leg along the direction that is parallel to the pivotal axis of supporting leg and fitting seat acts on the foot of this supporting leg.
10. as each described tripod in the claim 7 to 9, it is characterized in that the described part of these supporting leg parts is such, the corresponding pivot axis of the axis of bending of these supporting legs and supporting leg intersects on fitting seat.
11. tripod as claimed in claim 1, it is characterized in that, this locking device comprises from a sidewall of groove outstanding and be bonded on the elongated holding device of the adjacent wall of an external slot, thereby and is provided with and holding device is extended and shrinks locking and discharge the device of these grooves.
12. tripod as claimed in claim 11, it is characterized in that, this holding device comprises an elongated holding element and the elongated driver part that acts on this holding element, wherein holding element is extended and form clamping to engage, and longitudinal movement in opposite direction discharges this holding action with the sidewall of adjacent slot along the longitudinal movement of a direction.
13. tripod as claimed in claim 12, it is characterized in that, this elongated driver part has a series of along the isolated shallow serrated teeth of its length, can engage with the corresponding serrated teeth on the holding element, thereby driver part makes holding element move apart the sidewall of its respective grooves along moving of a direction, engages and form clamping with the sidewall of adjacent slot.
14. as claim 12 or 13 described tripods, it is characterized in that, this elongated holding element and this elongated driver part have other the device that engages one another, and these devices make holding element along with driver part is return from clamping engages really along described rightabout moving.
15., it is characterized in that holding device described channel member mounted thereto has the elongated side channel that extends along the length of the sidewall that holding element and cam part are installed as each described tripod in the claim 11 to 14.
16. tripod as claimed in claim 15, it is characterized in that, be provided with guiding device, be used for linearly along described groove guiding driver part, thereby make this holding element to the displacement of the outside of described groove along moving of a direction, and withdraw in the described groove along with in opposite direction motion makes holding element.
17., it is characterized in that, be provided with and be used for regulating in advance the device of holding element, thereby act on the sidewall of next groove at holding element before motion is minimized with respect to the position of driver part as each described tripod in the claim 12 to 16.
18. as each described tripod in the claim 11 to 17, it is characterized in that, the driver part of each groove by at the Effector of an end of this groove along its corresponding groove displacement.
19. tripod as claimed in claim 18, it is characterized in that, this Effector comprises one at the lever of a described end around the rotational ground installation of transversal described supporting leg extension, and this lever and cam part interconnection, thereby along with the rotation of lever makes the cam part displacement.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9901159.5 | 1999-01-19 | ||
| GBGB9901159.5A GB9901159D0 (en) | 1999-01-19 | 1999-01-19 | Improvements in or relating to tripod stands for equipment such as TV cameras or the like |
| GBGB9918968.0A GB9918968D0 (en) | 1999-08-11 | 1999-08-11 | Improvements in or relating to tripod stands |
| GB9918968.0 | 1999-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1344358A true CN1344358A (en) | 2002-04-10 |
Family
ID=26315003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00805276A Pending CN1344358A (en) | 1999-01-19 | 2000-01-19 | Improvements in or relating to tripod stands |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2002535576A (en) |
| CN (1) | CN1344358A (en) |
| AU (1) | AU3063700A (en) |
| GB (1) | GB2361180B (en) |
| WO (1) | WO2000043709A1 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100437338C (en) * | 2006-01-11 | 2008-11-26 | 黄兰娟 | Wire controlled camera support |
| WO2011026444A1 (en) * | 2009-09-07 | 2011-03-10 | Fung Ngo Leung | Supporting device |
| CN102011921A (en) * | 2009-09-07 | 2011-04-13 | 梁凤娥 | Tripod |
| CN104749860A (en) * | 2013-12-27 | 2015-07-01 | 镇江市润华无线电专用设备制造有限责任公司 | Mobile camera bracket for industrial use |
| CN105605384A (en) * | 2016-01-27 | 2016-05-25 | 长治清华机械厂 | Foldable support mechanism |
| CN107110420A (en) * | 2015-03-27 | 2017-08-29 | 威泰克集团公司 | The leg of tripod |
| CN109115198A (en) * | 2018-10-19 | 2019-01-01 | 重庆工程职业技术学院 | From protection total station |
| CN113339675A (en) * | 2021-06-21 | 2021-09-03 | 张玉华 | Foldable universal mechanical structure |
| CN114556006A (en) * | 2019-10-23 | 2022-05-27 | 威泰克影像解决方案股份公司 | Tripod for video camera |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2364633B8 (en) * | 2000-07-14 | 2017-06-14 | Vitec Group Plc | A spreader mechanim for supporting tripod |
| AUPQ910500A0 (en) * | 2000-07-31 | 2000-08-24 | R.E. Miller Pty. Ltd. | Support means |
| GB2374529B8 (en) * | 2001-04-20 | 2017-06-14 | Vitec Group Plc | Camera mounting tripods with latching arrangement to hold the tripod legs closed |
| US7845602B1 (en) | 2006-02-09 | 2010-12-07 | Primos, Inc. | Telescoping support stand apparatus |
| US8146876B1 (en) | 2006-02-09 | 2012-04-03 | Primos, Inc. | Telescoping support stand apparatus |
| US7607725B2 (en) | 2006-08-16 | 2009-10-27 | Promen-Aid Innovations Ltd. | Collapsible support structure |
| US7607724B2 (en) * | 2006-08-16 | 2009-10-27 | Promen-Aid Innovations Ltd. | Collapsible support structure |
| WO2020058981A1 (en) * | 2018-09-20 | 2020-03-26 | Ilan Ben Meir | Compact tripod with single action deploy mechanism |
| US11320724B2 (en) * | 2019-05-13 | 2022-05-03 | Peak Design | Close-pack, high-aspect-ratio camera tripod |
| EP3969800A4 (en) * | 2019-05-13 | 2023-10-18 | Peak Design | Close-pack, high-aspect-ratio camera tripod |
| US10982806B2 (en) | 2019-05-13 | 2021-04-20 | Peak Design | Close-pack, high-aspect-ratio camera tripod |
| EP4370869A1 (en) | 2021-07-15 | 2024-05-22 | Milwaukee Electric Tool Corporation | Stand for laser projection tool |
| CN117967939B (en) * | 2024-04-02 | 2024-05-28 | 湖南汇华新材料有限公司 | Photographic support of taking a picture |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2262939A (en) * | 1941-05-03 | 1941-11-18 | Julius G Howard | Adjustable tripod leg |
| JPS5410282Y2 (en) * | 1975-07-25 | 1979-05-12 | ||
| GB9016721D0 (en) * | 1990-07-31 | 1990-09-12 | Vinten Group Plc | Improved clamp |
-
2000
- 2000-01-19 JP JP2000595088A patent/JP2002535576A/en active Pending
- 2000-01-19 GB GB0118021A patent/GB2361180B/en not_active Expired - Fee Related
- 2000-01-19 CN CN00805276A patent/CN1344358A/en active Pending
- 2000-01-19 WO PCT/GB2000/000136 patent/WO2000043709A1/en active Application Filing
- 2000-01-19 AU AU30637/00A patent/AU3063700A/en not_active Abandoned
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100437338C (en) * | 2006-01-11 | 2008-11-26 | 黄兰娟 | Wire controlled camera support |
| WO2011026444A1 (en) * | 2009-09-07 | 2011-03-10 | Fung Ngo Leung | Supporting device |
| CN102011921A (en) * | 2009-09-07 | 2011-04-13 | 梁凤娥 | Tripod |
| CN102011921B (en) * | 2009-09-07 | 2014-06-25 | 梁凤娥 | Tripod |
| CN104749860A (en) * | 2013-12-27 | 2015-07-01 | 镇江市润华无线电专用设备制造有限责任公司 | Mobile camera bracket for industrial use |
| CN107110420A (en) * | 2015-03-27 | 2017-08-29 | 威泰克集团公司 | The leg of tripod |
| CN107110420B (en) * | 2015-03-27 | 2019-07-09 | 威泰克集团公司 | The leg of tripod |
| CN105605384A (en) * | 2016-01-27 | 2016-05-25 | 长治清华机械厂 | Foldable support mechanism |
| CN109115198A (en) * | 2018-10-19 | 2019-01-01 | 重庆工程职业技术学院 | From protection total station |
| CN114556006A (en) * | 2019-10-23 | 2022-05-27 | 威泰克影像解决方案股份公司 | Tripod for video camera |
| CN113339675A (en) * | 2021-06-21 | 2021-09-03 | 张玉华 | Foldable universal mechanical structure |
Also Published As
| Publication number | Publication date |
|---|---|
| GB0118021D0 (en) | 2001-09-19 |
| AU3063700A (en) | 2000-08-07 |
| JP2002535576A (en) | 2002-10-22 |
| GB2361180B (en) | 2002-12-04 |
| GB2361180A (en) | 2001-10-17 |
| WO2000043709A1 (en) | 2000-07-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |