DE102015013674B3 - Portable holding element for an optical device not in intended use, in particular a camera, telephoto lens or video camera - Google Patents

Abstract

The invention relates to a portable holding element for an optical device not in intended use (for example a camera, telephoto lens or video camera). While it is an object of the invention to propose a holding element, in which exchange plates from different manufacturers of the UniQ / C initiative and those for which these specifications apply, but nevertheless have more or less large deviations in the geometries and dimensions, at one and the same, received with a dovetail guide member and can be securely fixed in and against the force of gravity effectively, this is achieved in that the holding element (1) consists of a along a longitudinal axis (5) extending base body (6), in its open end ( 7) arranged a slidably in the base body (6) held jaws (8) and at the opposite end of the base body (6) has a bottom (49) is defined by an inner surface (16), a parallel thereto end face (10) and equipped with a bore (9) penetrating both surfaces, on the base body (6) are two transverse bolts (11) and on the clamping jaw (8) has two elongated holes (12) through which a cylindrical pin (13) extends transversely to the longitudinal axis (5), through the bore (9) of the bottom (49) of the base body (6) a bush-shaped spindle bearing (14), whose collar (15) arranged on the base body rests against the inner surface (16) of the base (6) with its inner surface (46), a rotary wheel (18) being mounted on the spindle bearing (14) ), which by a transverse pin (19) rotatably connected to the spindle bearing (14), on its the spindle bearing (14) facing side is rotatably in the jaws (8) coaxial with the longitudinal axis (5) extending threaded pin (35) with right-hand thread arranged on the other hand to its axial displacement in an internal thread (36) of the spindle bearing (14) is received, wherein the clamping jaw (8) at the free end with an axially extending blind bore (37), in which a preloaded compression spring (38) received andFrom the cylinder pin (13) is secured against falling out, ultimately, the dovetail guide (4) of the base body (6) and clamping jaws (8) provided, lateral clamping parts (42) or (44) is formed.

Description

The invention relates to a portable holding element for an optical device (eg photo camera, telephoto lens or video camera) which is not in intended use, wherein the optical device is a removable plate for quick attachment to a coupling base arranged at the head of a tripod and the coupling base and the Removable plate form the so-called, designed as a dovetail guide quick-change device, and the holding member also has a dovetail guide and a holder for receiving a belt.

For comfortable, close-fitting wearing a not in the intended use, but ready position held optical device in the form of a camera is known by the company PEAK DESIGN, LLC, USA, a portable support member for a camera-mounted removable disk well known. In this case, the holding element is fastened to a belt worn on the body of the person, wherein the belt can be designed as a body spanning strap, Taschengurt or belt or trouser belt. The holding element consists of a base plate on which a pressure plate is arranged to be pivotable and fixable with screw elements. Between the base plate and the pressure plate of the belt is fixed in position fixation. On its upper side, the pressure plate carries a removable plate connected to the camera, both plates being in engagement by means of a dovetail guide. For this purpose, the removable disk fitted with the camera can be inserted laterally into the printing plate. Thus, the removable disk with the camera can not unintentionally slide out of the dovetail guide, the travel of the removable disk is blocked in the direction of gravity by means of a stop. If necessary, the camera with the removable plate can be quickly separated from the pressure plate and inserted into the arranged on the tilt of the tripod and also a dovetail guide having coupling base and locked.

The disadvantage of this solution is that only removable plates with a dovetail guide can be accommodated on the portable holding element, which correspond in their dimensions and configurations to the dovetail-shaped coupling base provided at the tilting point of the stand. This means that removable disks of different manufacturers, which regularly have different geometries and dimensions with respect to the dovetail guide, can either not be effectively fastened to the retaining element or can not even be introduced into the guide of the retaining element. There is also the risk that the removable disk with the connected camera can also slip against the force of gravity from the retaining element.

Under the so-called UniQ / C initiative, several manufacturers of quick-change systems with dovetail clutches are involved, with UniQ / C standing for "Universal Quick Coupling". This allows the users of dovetail quick release systems according to UniQ / C specifications, given the compatibility given, to insert and clamp the removable disks of another company participating in UniQ / C into its coupling base. Only the different security systems, which are intended to prevent unintentional slipping out of the removable plate from the coupling base with slightly open jaws harmonize more or less well.

The object of the invention is to propose a portable holding element, in which removable disks from different manufacturers of the UniQ / C initiative and those for which these specifications apply, but nevertheless have more or less large deviations in the geometries and dimensions, at one and the same, taken with a dovetail guide member and safely in and against the force of gravity can be effectively fixed.

This object is achieved in a generic holding element with the features of claim 1.

The advantages of the invention are that replaceable disks of different manufacturers and those for which these specifications apply to one and the same, provided with a dovetail guide member and can be securely fixed in and against the force of gravity effectively.

Advantageous developments of the invention will become apparent from claims 2 to 11.

The embodiment according to claim 2, that the clamping force for increased secure fixation of the removable plate can be increased on the holding element.

Due to the embodiments according to claims 3, 5, 6 and 7, a particularly simple construction of the holding device is achieved.

The embodiment according to the claim 4 causes that via the rotary knob increased force can be applied.

An effective coupling of the end cap with the rotary wheel is achieved by the training by patent claim 8.

In contrast, the embodiments according to the claims 9 to 11, that can be done by a corresponding clearance unimpeded operation of the rotary wheel.

The invention will be explained in more detail below using an exemplary embodiment and associated drawings.

Show it:

1 a side view of the holding element according to the invention with inserted removable disk and camera fixed thereto

2 a side view of the holding element according to the invention, in which this is reproduced with the largest possible opening width of the dovetail guide for receiving the fitted with the camera removable disk

3 a sectional view of the holding element according to the invention along the line AA according to 2

4 a perspective view of the body

5 another perspective view of the body

6 a perspective, partially broken view of the jaw

7 a horizontal section of the jaw in perspective view according to 6

8th a perspective view of the spindle bearing with rotary, including the omission of the body

9 another perspective view of the spindle bearing with rotary wheel, including the omission of the body

10 a perspective view of the end cap with eye-shaped holder for a n riser

11 a perspective view of the retaining element

12 a longitudinal section of the equipped with the removable plate holding element

12a a simplified sectional view of the holding element with maximum gap S ¹

12b a simplified sectional view of the holding element with a reduced gap S ¹

12c a simplified sectional view of the holding element with a minimized gap S ^{1 ''} = 0

12d a simplified sectional view of the retaining element with the gap S ² and S ^3rd

12e a sectional view of the holding element with the gaps S ^{2 ''} = 0 and S ^{4 ''} = 0

12f a simplified sectional view of the retaining element with the changing gap widths S ^{4 'and S3'}

12g a simplified sectional view of the holding element with the gaps S ⁴ and S ³ = 0

13 a perspective view of the removable disk without assembly with the optical device

In the 1 is a holding element 1 shown on which in a dovetail guide 2 held, one with a removable disk 3 connected optical device in the form of a camera 4 is arranged.

After the 2 and 3 there is the holding element 1 from a preferably sleeve-shaped and along a longitudinal axis 5 extending body 6 in its open end 7 a displaceable in the body 6 held jaws 8th is arranged. A floor 49 , at the opposite end of the body 6 is defined by an inner surface 16 , a parallel to this end face 10 and is with a hole 9 provided (see also 4 and 5 ). For longitudinally displaceable storage of the jaw 8th at the base body 6 are at the base body 6 transverse to the longitudinal axis 5 two holes 11 and on the jaws 8th two long holes 12 provided (see also 6 and 7 ), through which a cylindrical pin 13 extends. Through the hole 9 on the ground 49 of the basic body 6 runs a bush-shaped spindle bearing 14 , whose base body side arranged collar 15 with its inner surface 46 (see also 8th and 9 ) on the inner surface 16 of the soil 49 of the basic body 6 is applied. On the spindle bearing 14 is a, preferably with a surface grip increasing knurling 17 equipped rotary wheel 18 located, which by means of an example designed as a taper pin cross pin 19 non-rotatable with the spindle bearing 14 connected is. At his the wheel 18 outstanding finish 20 of the spindle bearing 14 is a longitudinally and rotationally movable joint ball 21 by means of a on the longitudinal axis 5 extending screw 22 held in final position. This joint ball 21 is made of a cup-shaped end cap 23 embraced so that their circular segment or elliptical interior recess 24 together with the ball joint 21 a ball joint 25 forms. This is the end cap 23 in an advantageous embodiment of two cap stocks 23 ¹ , 23 ² formed with a screw connection 26 are connected. It is to the end cap 23 on the outer circumference 27 their the wheel 18 facing side 28 preferably with a tooth-like profiling 29 equipped, their teeth 47 with the recesses 32 in the opposite profile 30 at the inner diameter 31 with the end cap on the end 33 of the rotary wheel 18 in or out of engagement (see also 10 ).

At the free end of the end cap 23 is also an example, movable, eye-shaped holder 34 for receiving a belt, not shown. On his the spindle bearing 14 facing side is rotatable in the jaws 8th a coaxial to the longitudinal axis 5 extending threaded pin 35 arranged (see also 6 and 7 On the other hand, for its axial adjustment in an internal thread 36 of the spindle bearing 14 is included. In addition, the jaws 8th at the free end with an axially running blind hole 37 provided in which a prestressed compression spring 38 located, in their working space F by the cylinder pin 13 is limited and both secure in interaction against falling out. The from the main body 6 in conjunction with the jaws 8th formed dovetail lead 4 advantageously does not run parallel to the longitudinal axis 5 but is at an angle α in the direction of the rotary wheel 18 Increasingly designed, with the resulting greater freedom between the wheel 18 and camera 4 improved access of the operator's fingers to the operator to be operated, from the camera 4 partially towering wheel 18 is guaranteed. This angle α is for example 5 °. For this purpose, the main body 6 and jaws 8th each an oblique, tangential gate 39 respectively. 40 on, which is at the base body 6 sloping from the ground 41 of the lateral clamping part 42 to its end 7 and at the jaws 8th rising from the ground 43 of the lateral clamping part 44 to the base end 45 extends. On the other hand, anyway, a dimensioning of the components of the holding element not shown in the figures anyway 1 given where the distance between the wheel 18 and camera 4 is guaranteed anyway for the unobstructed access of the operator to the wheel, then can on the above-described deviation of the dovetail guide 2 by the angle α with respect to the longitudinal axis 5 be dispensed with, so that the dovetail guide 2 parallel to the longitudinal axis 5 is designed to run. Accordingly, the basic body 6 and jaws 8th also no oblique, tangential gate 39 respectively. 40 on, but these cuts 39 . 40 are parallel to the longitudinal axis 5 running trained.

The operation of the holding element according to the invention is the following, wherein the main body 6 to be considered fixed:
The 3 shows the holding element 1 in a position where this with the widest possible opening width of the dovetail guide 2 for taking the picture with the camera 4 equipped exchange plate 3 is designed. This position has been prepared by the rotary wheel 18 by turning to the left in accordance with arrow DL (see 11 ) over the thread 36 in the spindle bearing 14 in conjunction with threaded pin 35 which is in the jaw 8th is firmly anchored, the jaws 8th from the main body 6 extends axially. This is due to an abutment, which by supporting the inner surface 46 of the federal government 15 of the spindle bearing 14 on the inner surface 16 of the basic body 6 is formed. This creates both between basic body 6 and jaws 8th a gap S ¹ (see also 12a ) And a corresponding gap S ² (see also 12d ) between the dovetail guide 2 of basic body 6 and jaws 8th and the corresponding surfaces 3 ¹ and 3 ² on the removable plate 3 (see also 13 ). Thus, the basic conditions are created that the holding element 1 the removable plate 3 in his dovetail lead 2 can record. At the same time in this movement is in the blind hole 37 of the jaw 8th arranged and of in the main body 6 held cylinder pin 13 position-secured pressure spring 38 further compressed and thus the working space F 'reduced. This is done by the on the jaws 8th arranged slots 12 in conjunction with the cylinder pin 13 allows, eliminating the jaws 8th at the base body 6 is stored longitudinally displaceable. The maximum gap dimension S ₁ and thus also the greatest possible preload of the compression spring 38 are reached when the pressure spring 38 facing surfaces 12 ¹ , 12 ^{2 of} the long holes 12 of the jaw 8th to the cylinder pin 13 create (see 7 and 12c ).

Has now been the removable disk 3 with the appropriate game in the dovetail guide 2 of the holding element 1 inserted ( 12d ), the clockwise rotation of the rotary wheel takes place 18 according to arrow DR (see 11 ). This will over the thread 36 in the spindle bearing 14 in conjunction with the threaded pin 35 and supported by the spring force of the prestressed compression spring 38 the jaws 8th axially and reducing the gap dimension of S ¹ to S ^{1 '} back into the body 6 retracted ( 12b ). This process is completed when the gap S ^{2 ''} . goes to zero (see 12e ). This is at the same time on the one hand the surface contact of the surface 81 of the jaw 8th with the area 3 ^{1 of} the removable disk 3 and on the other hand the contact between the surface 6 ¹ with the corresponding area 3 ² on the removable plate 3 made (see 5 . 6 . 12 and 13 ) and thus the clamping of the removable disk 3 on the holding element 1 completed.

By the further clockwise rotation of the rotary wheel 18 in the direction of the arrow DR (see 11 ) acts as an abutment supporting the inner surface 46 of the federal government 15 of the spindle bearing 14 on the inner surface 16 of the basic body 6 canceled, whereby the gap S ^{4 '} is formed (see 12f ). In this position, only the compression spring ensures 18 for the clamping fixation of the removable plate 3 on the holding element 1 , According to the characteristics of the compression spring 18 Thus, a defined clamping force acts on the surface pairs in contact 8th ¹ and 3 ¹ , 6 ¹ and 3 ² or 8th ² and 3 ³ as well 3 ⁴ of jaws 8th or basic body 6 with the removable plate 3 ( 5 . 6 . 12 and 13 ) and generates the required clamping force, so that with the removable disk 3 Connected photo equipment also dynamic, ie, in motion, where greater forces applied as in the static case) on the holding element 1 can be secured.

With reference to the 12f is the holding element 1 in the so-called idle. In this position, the relationship gap dimension S ³ = gap dimension S ⁴ and gap dimension S ^{3 '} + gap dimension S ^4' = gap dimension S ³ , as well as the condition gap dimension S ^{3 '} > 0 and gap dimension S ^4' > 0. In dependence of the thread pitch of threaded pin 35 and gap S ² results in the possible range of rotation of the rotary wheel 18 , which without any force on the jaws 8th remains.

As soon as the gap S ⁴ its maximum according to 12g has reached, forms the end face 10 of the basic body ( 4 ) and with the face 48 ( 9 ) an abutment. Another turn of the rotary wheel 18 to the right (arrow DR (see 11 ) is now only slightly possible because the on the wheel 18 Applicable operating force and also the installation play of the jaws 8th in the main body 6 are limited. However, as soon as the operator on the wheel 18 is slightly higher than the spring force of the compression spring 38 Thus, the static friction of the surface pairs coming into contact also increases 8th ¹ and 3 ¹ , 6 ¹ and 3 ² or 8th ² and 3 ³ as well 3 ⁴ of jaws 8th or basic body 6 with the removable plate 3 ( 5 . 6 . 13 ).

In addition, a further increased operating force and thus an increased torque on the wheel 18 in the holding element 1 Introduced by making the positive connection between the teeth 47 equipped profiling 29 on the end cap 23 engaged with the recesses 32 at the inner diameter 31 at the wheel 18 located counter profile 30 he follows. This is made possible by the outer diameter of the end cap 23 smaller than the outer diameter of the rotary wheel at this point 18 is configured or the loop-shaped holder 34 on the end cap 23 radially beyond the outer diameter of the rotary wheel 18 extends, which ultimately is a larger lever arm for applying the operating force available. This is repeated enlargements of static friction between the contact surfaces completed and thus the removable disk 3 with a further increased security on the holding element 1 jammed.

For the intended use of the respective optical device (eg photo camera 4 , Telephoto or video camera, etc.) and the possible removal of the equipped with this optical device removable disk 3 , is related to the wheel 18 in coupling with the end cap 23 or even without such a connection with a left turn according to arrow DL completed ( 11 ) and the individual, the movements described above are now in reverse order:
Lifting of the friction force on the abutment between the end faces 10 and 48 what sets the idle and ultimately called the backup system required overcoming the frictional force generated by the compression spring abutment between the inner surfaces 16 and 46 ,

This will drive the jaws 8th axially out of the body 6 from, at the same time the contact between the corresponding surfaces 6 ¹ , 8th ¹ , 8th ² , 3 ¹ , 3 ² , 3 ³ and 3 ^{4 of} the dovetail guide 2 of basic body 6 and jaws 8th with those on the removable disk 3 canceled and thus the clamping of the removable plate on the holding element 1 for their removal is solved.

LIST OF REFERENCE NUMBERS

1

retaining element

2

dovetail guide

3

Removable

3 ¹

Surface on 3

3 ²

Surface on 3

3 ³

Surface on 3

3 ⁴

Surface on 3

4

camera

5

longitudinal axis

6

body

6 ¹

Surface on 6

7

open end of 6

8th

jaws

8 ¹

Surface on 8th

8 ²

Surface on 8th

9

Bore in 6

10

Face of 6

11

Cross hole in 6

12

Long hole in 8th

12 ¹

Area in 12

12 ²

Area in 12

13

straight pin

14

bush-shaped spindle bearing

15

Federation 15 at 14

16

Inside surface of 6

17

Knurling on 18

18

rotating wheel

19

cross pin

20

End 14

21

joint ball

22

screw

23

cup-shaped end cap

23 ¹

cap häfte

23 ²

cap häfte

24

Inside recess in 23

25

ball joint

26

screw

27

Outer circumference of 23

28

side of 23

29

toothing-like profiling on 23

30

Counterprofile on 18

31

Inside diameter of 18

32

Recess in 18

33

End cap end of 18

34

eyelet-shaped holder 23

35

axially extending threaded pin

36

Inside thread in 14

37

axially extending blind bore in 8th

38

Compression spring in 8th

39

tangential cut on 6

40

tangential cut on 8th

41

Reason 6

42

lateral clamping part on 6

43

Reason 8th

44

lateral clamping part on 8th

45

base end of 8th

46

Inside surface of 15 at 14

47

Tooth 23

48

Face of 18

49

Soil on 6

α

angle

S ¹

maximum gap

S ^{1 '}

reduced gap

S ^{1 ''}

minimized gap

S ²

clearance

S ^{2 '}

clearance

S ^{2 ''}

clearance

S ³

clearance

S ^{3 '}

clearance

S ^{3 ''}

clearance

S ⁴

clearance

S ^{4 '}

clearance

S ^{4 ''}

clearance

F ¹

Working space of 38

F ', F' '

modified work space of 38

Claims (11)

Portable support member for not in intended use located optical device, in particular camera, telephoto or video camera, wherein the optical device is a removable disk for quick attachment to a arranged at the head of a tripod clutch base and the clutch base and the removable disk so-called dovetail guide designed quick-change device form, and the holding element also has a dovetail guide and a holder for receiving a belt, characterized in that the holding element ( 1 ) from one along a longitudinal axis ( 5 ) extending body ( 6 ), in its open end ( 7 ) a displaceable in the body ( 6 ) held jaws ( 8th ) and at the opposite end of the body ( 6 ) a floor ( 49 ) provided by an inner surface ( 16 ), a parallel thereto end face ( 10 ) and with a hole (both 9 ), at the base body ( 6 ) are two transverse bores ( 11 ) and on the jaws ( 8th ) two slots ( 12 ), through which transverse to the longitudinal axis ( 5 ) a cylindrical pin ( 13 ), through the bore ( 9 ) of the soil ( 49 ) of the basic body ( 6 ) runs a bush-shaped spindle bearing ( 14 ), whose base body side arranged collar ( 15 ) with its inner surface ( 46 ) on the inner surface ( 16 ) of the soil ( 49 ) of the basic body ( 6 ) is present, it is on the spindle bearing ( 14 ) a rotary wheel ( 18 ) provided by a transverse pin ( 19 ) rotatably with the spindle bearing ( 14 ), on its the spindle bearing ( 14 ) facing side is rotatably in the jaws ( 8th ) coaxial with the longitudinal axis ( 5 ) extending threaded pin ( 35 ) arranged with right-hand thread, on the other hand, for its axial adjustment in an internal thread ( 36 ) of the spindle bearing ( 14 ), wherein the jaws ( 8th ) at the free end with an axially extending blind bore ( 37 ), in which a prestressable compression spring ( 38 ) and from the cylinder pin ( 13 ) is secured against falling out, ultimately the dovetail guide ( 4 ) of the main body ( 6 ) and jaws ( 8th ), lateral clamping parts ( 42 ) respectively. ( 44 ) educated. Retaining element according to claim 1, characterized in that the spindle bearing ( 14 ) at its the wheel ( 18 ) outstanding end ( 20 ) a longitudinally and rotationally movable joint ball ( 21 ) and by means of a screw ( 22 ) is fixed in position, said ball ( 21 ) of one cup-shaped end cap ( 23 ) is encompassed so that its circular segment or elliptical inner recess ( 24 ) together with the joint ball ( 21 ) a ball joint ( 25 ), while the end cap ( 23 ) on the outer circumference ( 27 ) of their rotary wheel ( 18 ) facing side ( 28 ) with a tooth-like profiling 29 equipped, whose teeth ( 47 ) with the recesses ( 32 ) in the opposite profile ( 30 ) at the inner diameter ( 31 ) with the end cap ( 33 ) of the rotary wheel ( 18 ) can be engaged or disengaged. Retaining element according to claim 1, characterized in that the retaining element ( 1 ) is designed sleeve-shaped. Retaining element according to claim 1, characterized in that the rotary wheel ( 18 ) a surface grip increasing knurling ( 17 ) having. Retaining element according to claim 1, characterized in that the transverse pin ( 19 ) for the rotationally fixed connection of the rotary wheel ( 18 ) with the spindle bearing ( 14 ) is designed as a taper pin. Retaining element according to claim 2, characterized in that the end cap ( 23 ) from two cap stocks ( 23 ¹ , 23 ² ), which by means of a screw ( 26 ) are connected. Retaining element according to claim 1, characterized in that the screw ( 22 ) for fixing the longitudinally and rotationally movable joint ball ( 21 ) at the end ( 20 ) of the spindle bearing ( 14 ) on the longitudinal axis ( 5 ) is arranged running. Retaining element according to claim 2, characterized in that the profiling ( 29 ) on the end cap ( 23 ) and the counter profile ( 30 ) on the rotary wheel ( 18 ) are designed as a toothing. Retaining element according to claim 1, characterized in that that of the main body ( 6 ) in conjunction with the jaw ( 8th ) formed dovetail guide ( 4 ) with respect to the longitudinal axis ( 5 ) is formed inclined by the angle (α). Retaining element according to claim 9, characterized in that the basic body ( 6 ) and jaws ( 8th ) each have an oblique, tangential gate ( 39 ) respectively. ( 40 ), which in the main body ( 6 ) sloping from the ground ( 41 ) of the lateral clamping part ( 42 ) to its end ( 7 ) and the jaws ( 8th ) rising from the ground ( 43 ) of the lateral clamping part ( 44 ) to its base end ( 45 ). Retaining element according to claim 9, characterized in that the angle (α) is 0 ° to 30 °.

Images