JP2001281518A - Driving adapter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an attachable/detachable driving adapter capable of realizing engagement having no backlash with respect to the turning amount of an operation part. SOLUTION: This adapter is equipped with an input member (3rd turning shaft 62) equipped with an engaging part which is engaged with a command output member 37 outputting an operation command from an operation part (grip 30) commanding the operation of a movable part in a lens barrel while pressing the member 37 and to which the operation command is transmitted by always coming into contact with both directions of the operation direction of the operation part, a pressing member (spring 66) pressing the input member to the command output member of the operation part, and a coupling member (front case 40) turnably supporting the input member and attachably/-detachably coupled with an operation part holder (grip holder 38) turnably supporting the operation part, so that the engagement having no backlash with respect to the turning amount of the operation part is realized, the turning amount of the operation part is faithfully transmitted to the rotary shaft of a turning amount detection means 42, and operability in the case of driving the lens is improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drive adapter, and more particularly to a drive adapter attached to an operation unit for controlling driving of a movable portion of a lens barrel used in a TV camera or the like.

[0002]

2. Description of the Related Art Conventionally, there has been known a drive unit for electrically driving a movable portion of a lens barrel used in a TV camera or the like, for example, a zoom portion, a focus portion, and an iris portion. A grip unit that allows a user to input, for example, a zoom drive rate command is connected to a servo drive adapter that gives an operation command to the drive unit.

When the user rotates the grip, the amount of rotation is transmitted to the rotation amount detecting means of the servo drive adapter, and a signal corresponding to the amount of rotation of the grip is transmitted to the servo drive unit via the demand cable. The predetermined movable part of the lens barrel is driven. In general, this servo drive method is often used in shooting that requires slow zooming and focusing operations, which is often used in drama shooting. In the case of the servo system, it is also advantageous when control for smoothly stopping zoom or focus or returning to the original position is required.

[0004] In addition, the electric force input by a user at a position distant from the lens barrel is transmitted and utilized as it is without performing an electric servo drive on the movable part of the lens barrel, and the movable part of the lens barrel is used. Manual modules for manually controlling the remote control are known. The manual module and the manual drive adapter are connected by a flexible cable that transmits an operation amount. A grip unit is connected to the manual drive adapter for a user to rotationally input a drive amount command.

The amount of rotation commanded by the user by rotating the grip is transmitted to the manual module via the manual drive adapter and the flexible cable, and the predetermined movable portion of the lens is driven by the transmitted amount of rotation. . In general, when performing shooting in which instantaneous angle-of-view adjustment and focus adjustment are frequently performed, manual zoom and focus control are suitable.

[0006] In the publicity of Japanese Utility Model Publication No. 59-21586, a manual grip attached to a handle of a TV camera can be used as a servo drive grip as it is.
In addition, a servo drive adapter that can easily reconnect the connection is shown.

[0007]

However, as disclosed in Japanese Utility Model Publication No. 59-21586, a conventional servo drive adapter and a manual drive adapter can be connected to each other so that the rotation amount of the grip can be reduced. There was a gap in the rotation direction in the coupling portion transmitting to the drive adapter. This gap causes a backlash during the reverse rotation,
The delay in the driving operation and the inability to perform accurate driving have been obstacles for performing delicate zoom, focus, and iris controls.

The present invention has been made in view of such circumstances, and has as its object to provide a detachable drive adapter having an engagement portion without backlash with respect to the amount of rotation of an operation portion.

[0009]

According to the present invention, in order to achieve the above-mentioned object, a command output member for outputting an operation command of an operation unit for commanding an operation of a movable unit in a lens barrel is engaged while being pressed. An input member having an engaging portion to which the operation command is transmitted while always in contact in both directions of the operation direction of the operation portion; and a pressing portion for pressing the input member against a command output member of the operation portion. And a coupling member that rotatably supports the input member and that is detachably connectable to an operation unit holder that rotatably supports the operation unit.

According to the present invention, while engaging while pressing the command output member for outputting the operation command of the operation unit for instructing the operation of the movable unit in the lens barrel, the operation unit operates in both directions of the operation direction of the operation unit. An input member having an engagement portion to which the operation command is transmitted in constant contact with the input member; a pressing member for pressing the input member against a command output member of the operation portion; and a rotatably supporting the input member. In addition, since the operating unit includes the operating unit holder rotatably supporting the operating unit and the connecting member detachably connectable, an engagement without backlash with respect to the turning amount of the operating unit is realized. It becomes possible.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a drive adapter according to the present invention will be described below in detail with reference to the accompanying drawings.

FIG. 1 is an overall configuration diagram of a television camera system to which a drive adapter according to the present invention is applied.

Referring to FIG. 1, a television camera system 10 is shown.
Is a lens barrel 12 having mainly a zoom function, a television camera 14, a camera platform 16 capable of moving the direction of shooting by the panning and tilting operations, and a direction of shooting by the television camera 14. The handle 18 is operated by the user when changing the position.

The lens barrel 12 is capable of driving a movable portion for zooming, focusing and iris, and is driven manually or electrically by a driving unit 22 via a gear 20 or the like.

The drive unit 22 is provided with a manual connector 24 for connecting a flexible cable (not shown) when performing a manual drive operation, and an electric connector 28 for connecting a signal cable 26 when performing an electric operation. . The other end of the signal cable 26 has a grip 30 (operation unit) for instructing the operation of the movable unit in the lens barrel 12.
A drive adapter 32 having a detecting means for detecting the rotation angle of the drive unit and transmitting the detected angle signal to the drive unit 22.
Is connected. The grip 30 is mounted on the handle 18 at a convenient location.

FIG. 2 is a sectional view of the drive adapter according to the present invention.

Referring to FIG. 1, a bracket 34 is attached to an appropriate position of the handle 18, and the bracket 34 is attached to a grip holder 38 of a grip unit 36.
(Operation unit holder) is fixed. Grip holder 3
8, a grip 30 for a user to perform a rotation operation is rotatably held, and a rotation amount of the grip 30 (operation command).
Is output from the command output member 37 and transmitted to the input member of the drive adapter 32. The grip holder 38 is provided with a coupling member having a screw portion or a bayonet-type mount portion for detachably coupling the drive adapter 32, so that the servo drive adapter and the manual drive adapter can be easily replaced. It has become possible.

The exterior member of the drive adapter 32 includes a front case 40 in which a screw portion or bayonet type mount portion for coupling with the grip holder 38 is formed, a rotation amount detecting means 42 such as a potentiometer or an encoder, and a signal. A rear case 46 is provided with a connector 44 for connecting the cable 26 and the like. The front case 40 and the rear case 46 are divided into two parts for convenience in assembling, and the front case 40 and the rear case 46 are screwed together at the final stage of assembling with screws for assembly and connection.

The rear case 46 includes the rotation amount detecting means 4.
2, a coupling 44 for connecting the connector 44 and the rotation axis of the rotation amount detecting means 42 to rotate together and absorb an error amount of the axis with respect to the first rotation axis 50; Bearings 52, 52 for rotatably holding the rotating shaft 50 with respect to the rear case 46 are provided. In the front case 40,
A locking pin 54 (rotation range limiting member) for restricting the rotation range of the first rotation shaft 50 based on the allowable rotation range of the rotation amount detecting means 42 is press-fitted to a predetermined position.

The first rotating shaft 50 is provided with a second rotating shaft 56 capable of transmitting only a torque equal to or less than a predetermined torque value to the first rotating shaft 50 by a clutch mechanism for limiting the rotating torque. Is provided. The second rotating shaft 56 is held by a bearing portion of the first rotating shaft 50, is restricted in the radial direction by the bearing portion, and is slidable in the axial direction.

The second rotating shaft 56 is urged by a corrugated spring 58 with a predetermined force in the "R" direction shown in FIG. Further, a retaining ring 60 is provided on the second rotating shaft 56,
One end surface of the retaining ring 60 and the wave surface of the corrugated spring 58 press the first rotating shaft 50 with the biased force.
By this pressing force, the rotating power of the second rotating shaft 56 is transmitted to the first rotating shaft 50, and the first rotating shaft 50 is also driven.

However, the rotation operation causes the first rotation shaft 5 to rotate.
When the locking pin provided on the first rotation shaft 50 and the locking pin 54 engage with each other, the first rotation shaft 50 is limited in the amount of rotation, and cannot be further rotated in that direction. The first rotation shaft 50 and the rotation shaft of the rotation amount detecting means 42 remain stopped. The second rotating shaft 56 can be relatively rotated with the first rotating shaft 50 (first driven member) by the above-described clutch mechanism.

A second rotating shaft 56 (input member) slidable in the "R" direction shown in FIG. 2 while transmitting the rotating torque by the rotating torque transmitting member 64 is provided on the second rotating shaft 56. Is held. The third rotating shaft 62 is held by a bearing portion of the second rotating shaft 56 and is restricted in the radial direction, and a rotating torque provided on the third rotating shaft 62 in the axial direction. It is slidable within a range defined by the length of the groove portion with which the transmission member 64 is engaged.

The third rotating shaft 62 includes a spring 66 (pressing member).
Urged in the "R" direction shown in FIG. Also,
The shape of the portion where the third rotating shaft 62 engages with the engagement groove 68 provided on the command output member 37 of the grip 30 is formed in a “wedge shape” in which two planes have a predetermined angle. . Further, the shape of the engaging portion is not limited to a wedge shape in which the two planes also form a predetermined angle, and may be a cross shape, a quadrilateral shape, a hexagonal shape, or any other shape capable of transmitting rotational torque. It is possible to achieve the objects of the present invention.

Therefore, the third rotating shaft 62 provided on the drive adapter 32 projects the maximum amount in the "R" direction shown in FIG. When the adapter 32 is connected, the “wedge-shaped portion” (projection) of the third rotation shaft 62 (input member) and the engagement groove 68 of the grip unit 36
(Receiving portion) and the engagement groove 68.
And the spring 66 is contracted. At this time, the third rotating shaft 62
The input member and the command output member 37 are always in contact with each other in both directions of the operation direction of the grip 30 to transmit the operation command.

At this time, since the spring 66 always presses the third rotating shaft 62 in the "R" direction shown in FIG. 2, the command output member 37 of the grip 30 and the third rotating shaft 62 (input member). Lost motion such as backlash does not occur between. Therefore, the amount of rotation of the grip 30 is faithfully transmitted to the rotation axis of the amount-of-rotation detecting means 42, and the operability of driving the lens is improved.

FIG. 3 shows another embodiment of the connection portion between the drive adapter 32B and the grip unit 36B.

According to the drawing, the front case 40B has a screw member 70 which can be exchanged according to the shape of the coupling portion of the grip holder 38B having a plurality of types of coupling portions, and a front case 4B.
0B and a mounting screw 72 for coupling the screw member 70 are provided. As shown in FIG. 3, a plurality of types of screw members 70 corresponding to the shape of the coupling portion of each grip holder 38B.
Are prepared, and the front case 40B is configured to be replaceable. As a result, the drive adapter 32B can be used in place of more types of grip holders 38B.

FIG. 4 shows another embodiment of the connection portion between the drive adapter 32C and the grip unit 36C.

Although the front case 40 and the grip holder 38 shown in FIG. 2 are joined by abutting the surfaces A, according to the embodiment shown in FIG. 4, the front case 40C and the grip holder 38C Are joined by abutting surfaces C.

FIG. 5 is a sectional view showing another embodiment of the drive adapter according to the present invention.

The drive adapter shown in the figure is an embodiment using another holding structure for the holding structure of the third rotating shaft 62 of the drive adapter 32 shown in FIG.

According to FIG. 5, a third rotating shaft 62D (input member) is attached to the second rotating shaft 56D via a bellows 74. The bellows 74 has a resilient force for restoring the spring 66D (pressing member) attached in a contracted manner, and can expand and contract in the “R” direction shown in FIG. Has a characteristic of high rigidity. Therefore, when the grip holder 38 is coupled to the drive adapter 32D, the engagement groove 68 provided on the command output member 37 of the grip unit 36 and the tapered portion (projection) of the third rotation shaft 62D rotate. In both directions, there is no gap in both directions, and the spring 66 is engaged.
D always presses the third rotation shaft 62D in the “R” direction shown in FIG. Therefore, the command output member 37 of the grip 30
Lost motion such as backlash does not occur between and the third rotating shaft 62D (input member). for that reason,
The rotation amount of the grip 30 is faithfully transmitted to the rotation axis of the rotation amount detection means 42, and the operability of driving the lens is improved.

FIG. 6 is a sectional view showing another embodiment of the drive adapter according to the present invention.

The drive adapter shown in the figure is an embodiment using another holding structure for the holding structure of the third rotating shaft 62 of the drive adapter 32 shown in FIG.

According to FIG. 6, the drive adapter 32E includes:
Bearings 52E, 52E for rotatably holding the first rotating shaft 50E with respect to the rear case 46E are provided.
The rotation amount of the rotation shaft 50E is detected by the rotation amount detection means 42. In the front case 40E, a locking pin 54 (rotation range limiting member) for restricting the rotation range of the first rotation shaft 50E based on the allowable rotation range of the rotation amount detecting means 42 is pressed into a predetermined position. Have been.

The first rotating shaft 50E is provided with a second rotating shaft 56E for transmitting only a torque equal to or less than a predetermined torque value to the first rotating shaft 50E by a clutch mechanism for limiting the rotating torque. . The second rotation shaft 56E is the first rotation shaft 50E.
And is restricted to some extent in the radial direction by the bearing portion, and is slidable in the axial direction.

Holes are formed radially at one or a plurality of positions on the first rotating shaft 50E, and one hole is formed toward the center of the rotating shaft.
A plurality of balls 78, 78 and compression springs 80, 80 are inserted. The radial hole provided in the first rotation shaft 50E is formed to have a small diameter near the inner cylinder surface like the ball of a ball-point pen and the pen tip so that the balls 78 do not fall off to the inner cylinder side. . Also, the balls 78, 78
In a state where the springs 80, 80 and the bearings 52E, 52E are assembled, the springs 78, 78 become the bearings 52E, 52E.
The inner ring of E and the ball 78 are pressed. Bearing 52E,
Since the inner race of 52E is fixed integrally with the first rotation shaft 50E, the springs 80, 80 urge the balls 78, 78 to push the balls 78, 78 toward the inner cylinder of the first rotation shaft 50E.

One or more grooves 82, 82 are formed in the outer cylindrical surface of the second rotating shaft 56E (input member) so that the balls 78, 78 come into contact with each other in the axial direction. Due to the force of the balls 78, 78 to settle in the grooves 82, 82, the rotating force of the second rotating shaft 56E is changed to the first rotating shaft 50E.
And the first rotation shaft 50E also rotates.

However, the rotation operation causes the first rotation shaft 5 to rotate.
When the locking portion provided in the first rotation shaft 50E and the locking pin 54 are engaged with each other, the first rotation shaft 50E is limited in the amount of rotation and cannot rotate further in that direction. The first rotation shaft 50E and the rotation axis of the rotation amount detecting means 42 remain stopped. Further, when a torque larger than the force with which the balls 78, 78 try to settle is applied to the second pivot shaft 56E from the grip 30, the balls 78, 78,... Come out of the one or more grooves 82, 82,. One rotation axis 50
E (first driven member) and the second rotation shaft 56E relatively rotate (the second rotation shaft 56E idles). Thus, the second rotating shaft 56E transmits a torque equal to or less than the predetermined torque value to the first rotating shaft 50E. Also, the second rotating shaft 5
6E is slidable in the “R” direction shown in FIG. 6 and urged in the “R” direction shown in FIG. 2 by a spring 84 (pressing member).

When the grip holder 38 and the drive adapter 32 are connected, the engagement groove 68 of the command output member 37 of the grip unit 36 and the projection of the second rotary shaft 56E are engaged without any gap, and the spring 84 always presses the second rotating shaft 56E (input member) in the "R" direction shown in FIG. 6, so that lost motion such as backlash occurs between the grip 30 and the second rotating shaft 56E. do not do. Therefore, the amount of rotation of the grip 30 is faithfully transmitted to the rotation axis of the amount-of-rotation detecting means 42, so that the operability of driving the lens is improved.

FIG. 7 is a sectional view showing another embodiment of the drive adapter shown in FIG.

The drive adapter shown in the same drawing uses another holding structure for the holding structure of the third rotating shaft 62 of the drive adapter 32 shown in FIG. The input member (second rotary shaft 56F) of the drive adapter 32F presses the command output member 37 of the grip 30. The operation command is transmitted by the frictional force generated here, and the torque is equal to or more than a predetermined torque value. When the torque is applied, the command output member 37 becomes the second rotation shaft 56.
An engagement portion having a clutch function of sliding and rotating relatively to F is provided.

According to FIG. 7, the drive adapter 32F is provided with bearings 52, 52 for rotatably holding the first rotary shaft 50F with respect to the rear case 46.
The rotation amount of 0F is detected by the rotation amount detection means 42. In the front case 40, a locking pin 54 (rotation range limiting member) for restricting the rotation range of the first rotation shaft 50F based on the allowable rotation range of the rotation amount detecting means 42 is press-fitted to a predetermined position. Have been.

Inside the first rotating shaft 50F, a second rotating shaft 56F slidable in the axial direction with respect to the first rotating shaft 50F is provided. One or more torque transmission members 64F, 64F are provided inside the first rotation shaft 50F,
It engages with a small gap in an axially long groove formed in the second rotating shaft.

The second rotating shaft 56F is held by a bearing portion of the first rotating shaft 50F, is restricted in the radial direction and the rotating direction, and is slidable in the axial direction. Further, a force is urged in a direction in which the first rotating shaft 50F and the second rotating shaft 56F are relatively separated by a compression spring 66F (pressing member). By the force of the spring 66F, the second rotation shaft 56F is pressed by the command output member 37 of the grip holder 38. The amount of rotation of the grip 30 is transmitted to the second rotation shaft 56F via the engagement surface F by the frictional force of the engagement surface F (see FIG. 7) generated by this pressing force, and the second rotation shaft 56F A groove, a torque transmitting member 64F provided on the first rotating shaft 50F, and a coupling 48.
Is transmitted to the rotation shaft of the rotation amount detection means 42 via

Here, the first rotating shaft 50 is rotated by the rotating operation.
When the locking portion that restricts the rotation range of F and the locking pin 54 are engaged, the first rotation shaft 50F stops rotating further in that direction, and the first rotation shaft 50F and The rotation axis of the rotation amount detecting means 42 remains stopped. Further, the grip 3 applies a torque larger than the frictional force of the engagement surface F on which the second rotation shaft 56F (input member) rotates together with the command output member 37.
When applied to the command output member 37 from 0, the slippage occurs relatively on the engagement surface F, and the grip 30 idles.

As described above, the engagement surface F plays a role of a torque limiter mechanism and a clutch mechanism for transmitting only torque equal to or less than the predetermined torque value from the command output member 37 to the input member of the second rotation shaft 56F. .

Also in this embodiment, lost motion such as backlash does not occur between the command output member 37 of the grip 30 and the second rotating shaft 56F. Therefore, the amount of rotation of the grip 30 is faithfully transmitted to the rotation axis of the amount-of-rotation detecting means 42, and the operability of driving the lens is improved.

FIGS. 8A and 8B are cross-sectional views showing another embodiment of the clutch mechanism of the drive adapter shown in FIG.

In the drive adapter shown in FIG. 8A, one or a plurality of spherical projections 86, 86 are provided on the engagement portion of the second rotation shaft 56G (input member) of the drive adapter. The balls 86, 86 are provided on the command output member 37G side.
Receiving portion 88, which is one or more V-shaped holes,
88 are provided. The rotation torque of the command output member 37G is transmitted to the second rotation shaft 56G via the engaging portion.

When a torque equal to or more than a predetermined rotation torque is applied from the command output member 37 to the engagement portion, the spring 6
6F (pressing member) is contracted and the second rotation shaft 56G is
The command output member 37G and the second rotating member 56G relatively rotate by sliding in the direction opposite to the “R” direction shown in FIG. I do. Therefore, this engaging portion functions as a torque limiter mechanism and a clutch mechanism.

A conical projection is formed on the engagement portion of the second rotation shaft 56H (input member) of the drive adapter shown in FIG. 8B, and the spring 66F (pressing member) is urged. Command output member 37H
Press The command output member 37H has a conical hole into which the conical protrusion of the second rotation shaft 56H engages. The rotation torque of the command output member 37H is transmitted to the second rotation shaft 56H by a frictional force via the conical engaging portion. When a torque equal to or more than a predetermined rotation torque is applied to the engagement portion from the command output member 37, the engagement portion slides, and the command output member 37H and the second rotation member 56H are relatively moved. To rotate. Therefore, this engaging portion functions as a torque limiter mechanism and a clutch mechanism.

The manual drive adapter 32H shown in FIG. 8B includes a core wire 90 for transmitting the operation amount of the grip 30 to a manual module (not shown), and an exterior member covering the core wire 90. And a flexible cable 92 composed of A coupling 48H is coupled to the core wire 90, and the amount of rotation of the first rotation shaft 50F is transmitted to the core wire 90, and further transmitted to a manual module located further away. The rotation amount commanded by the user turning the grip 30 is transmitted to the manual module, and a predetermined movable portion of the lens is driven according to the commanded rotation amount.

FIGS. 9A to 9D are perspective views showing another embodiment of the drive adapter engaging portion.

According to the figure, the shape of the receiving portion and the projection may be a negative shape shown in FIG. 9A (the same shape as the wedge-shaped embodiment shown in FIG. 2), FIG. 9 (b)
And the hexagonal pyramid shape (or polygonal pyramid shape or polygonal shape) shown in FIG. 9C can achieve the object of the present invention. Further, as shown in FIG. 9D, the second rotation shaft 56 is inserted into the engagement groove 68 of the command output member 37.
It may be configured to engage while pressing K (input member). In this case, a spring 66K which is a plate-shaped elastic member is used.
A (pressing member) is provided on the second rotation shaft 56K, and the second rotation shaft 56K is constantly pressed against the inner surface of the engagement groove 68 to make contact therewith. By configuring the engagement portions in this way, the second rotation shaft 56K and the engagement groove 68 are always in contact with each other for bidirectional operation of the operation portion, and an operation command is transmitted.

[0057]

As described above, according to the drive adapter of the present invention, the drive adapter engages while pressing the command output member that outputs the operation command of the operation unit that commands the operation of the movable unit in the lens barrel. An input member having an engaging portion to which the operation command is transmitted while always in contact in both directions of the operation direction of the operation portion; and a pressing portion for pressing the input member against a command output member of the operation portion. A member and a coupling member that rotatably supports the input member and that is detachably connectable to an operation unit holder that rotatably supports the operation unit. Can be realized without backlash. Therefore, the rotation amount of the operation unit is faithfully transmitted to the rotation axis of the rotation amount detection means, and the operability of driving the lens is improved.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram of a television camera system.

FIG. 2 is a sectional view of a drive adapter.

FIG. 3 shows a drive adapter 32B and a grip unit 36B.
Showing an embodiment of a coupling portion with

FIG. 4 shows a drive adapter 32C and a grip unit 36C.
Showing an embodiment of a coupling portion with

FIG. 5 is a sectional view showing another embodiment of the drive adapter.

FIG. 6 is a sectional view showing another embodiment of the drive adapter.

FIG. 7 is a sectional view showing another embodiment of the drive adapter shown in FIG. 2;

8A is a cross-sectional view showing another embodiment of the drive adapter shown in FIG. 7. FIG. 8B is a cross-sectional view showing another embodiment of the drive adapter shown in FIG.

FIGS. 9A to 9D are diagrams showing another embodiment of the drive adapter engaging portion.

[Explanation of symbols]

10: TV camera system, 12: Lens barrel, 14
... TV camera, 16 ... Head head, 18 ... Handle, 20 ...
Gears, 22: drive unit, 24: manual connector, 26
... Signal cable, 28 ... Electric connector, 30 ... Grip, 32, 32B, 32C, 32D, 32E, 32F,
32H: drive adapter, 36, 36B, 36C: grip unit, 37, 37G, 37H: command output member, 3
8, 38B, 38C ... grip holder, 40, 40B,
40C, 40E: front case, 42: rotation amount detecting means, 4
6 ... rear case, 50, 50E, 50F, 50H ... first rotating shaft, 52, 52E ... bearing, 54 ... locking pin, 56, 5
6D, 56E, 56F, 56G, 56H, 56K ... second
Rotating shaft, 58: corrugated spring, 62, 62D: third rotating shaft,
64, 64F: Torque transmitting member, 66, 66D, 66
F, 66K: spring, 68: engagement groove, 70: screw member, 7
2: Mounting screw, 74: Bellows, 78: Ball, 80:
Spring, 82 groove, 84 spring, 86 ball, 88 receiving part

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2H044 DA01 DA02 DA04 DB01 DD16 DE04 5C022 AA00 AB21 AB66 AC27 AC34 AC54 AC61 AC74

Claims (7)

[Claims] An operation output unit that outputs an operation instruction of an operation unit for instructing an operation of a movable unit in the lens barrel, and always contacts the operation direction of the operation unit in both directions. An input member having an engagement portion to which an operation command is transmitted; a pressing member that presses the input member against a command output member of the operation portion; and an input member that is rotatably supported and that the operation portion is A drive adapter, comprising: a coupling member detachably coupled to an operation unit holder rotatably supported. 2. The drive adapter according to claim 1, wherein the engagement portion of the input member comprises a protrusion or a receiving portion for transmitting an operation command from a command output member of the operation portion. 3. The drive adapter according to claim 1, wherein the coupling member includes a mount member that can be replaced according to a shape of a coupling portion of the operation unit holder. 4. The receiving portion and the projecting portion have at least one of a − shape, a + shape, a polygonal shape, a concave shape, a convex shape, and a wedge shape. 4. The method according to claim 1, wherein
Drive adapter. 5. The drive adapter according to claim 1, further comprising a rotation range limiting member that limits a rotation range input from the input member. 6. A first driven member that rotates together with the input member, and a rotational force of the input member is transmitted to the first driven member, and when the rotational force is equal to or more than a predetermined force, the input member is connected to the first driven member. The drive adapter according to any one of claims 1 to 5, further comprising: a clutch mechanism in which the first driven member relatively rotates. 7. The drive adapter according to claim 1, further comprising a detection unit configured to detect a rotation amount of the input member or the first driven member.