JPH01259337A - Film take-up device - Google Patents

Abstract

PURPOSE:To lower a power amount to be applied to a winding and stopping device and to improve durability and reliability by mechanically stopping a spool by means of stopping a winding means through inertial rotation after stopping a driving source. CONSTITUTION:When a first stopping lever 30 locks into a stopping gear 29, a switch SW 1 is turned off to stop energizing of a motor 1 and the motor is braked. The gear 29 rotates counterclockwise with the aid of inertia of the motor 1. When a projecting part 29c passes by a lever 102, a lever 103 and a winding stop releasing lever 101 turn clockwise with the aid of a spring; moreover, the levers 101 and 103 abut on each other. At the same time, a second winding stop lever 130 turns clockwise to stop the gear 29 and a locking plate 13. Therefore, the power amount to be applied to the winding and stopping device is lowered, and the durability and reliability can be improved by mechanically stopping the winding means in a rotating condition during applying the brake.

Description

[Detailed description of the invention] [Industrial application field]

The present invention relates to a film winding device for a camera, and in particular, to a film winding device for a camera.
This invention relates to improvements in the film winding mechanism.

[Conventional technology]

2. Description of the Related Art Conventionally, cameras equipped with an electric film winding mechanism have been widely used. In cameras with such an automatic film winding mechanism, the film winding mechanism is driven frequently by a built-in drive motor.
Because of the repeated stops, reliability and durability of the film winding mechanism become important issues. In particular, a mechanism for accurately stopping the winding mechanism upon completion of film winding, ie, a film stopper mechanism, has an important influence on the reliability and durability of the film winding mechanism. That is, even in the case where a film winding mechanism driven by a predetermined driving force is forcibly stopped by the winding mechanism after cutting off the power to the drive motor, the drive transmission system that constitutes the winding mechanism, Each rotating body in the reduction system, which mainly consists of reduction gears, has rotational inertia, so
This inertia causes the winding mechanism and the winding stop mechanism to become tensioned. If such a situation is repeated frequently, it will naturally not affect the durability of the winding mechanism, and it will take considerable strength to release the winding mechanism. will be required. Furthermore, even when the drive motor is equipped with a brake means, it is difficult to simultaneously perform the winding and braking operations without the winding mechanism and winding mechanism being affected by inertia.

[Problem R that the invention seeks to solve]

Therefore, the problem to be solved by the present invention is to reduce the influence of the above-mentioned inertia on the winding mechanism and the winding mechanism by considering the influence of the rotational inertia of the drive motor and the speed reduction system. The objective is to reduce the amount of force required to release the locking action of the locking groove. The present invention has been made in view of this point of view,
The object is to provide a film winding device which is highly reliable and durable, and which requires relatively little force to unwind the film.

[Means for solving the problem, and actions/effects] (Structure
In order to achieve the above object, the present invention was constructed as follows. That is, the film winding device of the present invention includes a drive motor, a spool for winding the film, and a film winding means for transmitting the driving force of the motor to the spool, and further includes a drive motor, a spool for winding the film, and a film winding means for transmitting the driving force of the motor to the spool. A spool locking member that prevents rotation; a biasing member that urges the spool locking member in the direction of the blocking operation; a first winding stopper lever biased in the winding action direction so as to cooperate with the winding cam to prevent rotation of the winding cam; The spool retainer is rotatably attached to the first winding lever and movable in the unwinding direction together with the first winding lever so as to cooperate with the winding cam to prevent rotation of the winding cam. Stopping member? The second winding stopper lever is thus biased in the winding action direction;
a lever engaging means provided on the second winding stop cam so as to engage with the first winding stop lever and then engaging with the second winding stop lever when winding the film; and a release means for releasing the winding action of the first and second winding stopper levers. Further, a detection means for detecting the winding stop operation of the first winding stopper lever is provided, and when winding, the motor is driven and the releasing means is operated to release the winding stop, and the detection means detects the winding stop operation of the first winding lever. The present invention includes a control means for stopping the drive of the motor when the winding stopper operation of the winding stopper lever is detected. (Function) According to the above configuration, the drive motor is driven by the command from the control means, and the release means is activated. When the release means is activated, the first and second winding levers are moved in the winding release direction against the biasing force, and the spool locking of the spool locking member is also released. Then, the spool and the winding cam are rotated by the film winding means, and the film is wound onto the spool. On the other hand, the winding stopper cam rotates once for the feeding of one frame of film, and just before winding is completed, the first winding stopper lever engages with the lever engaging means of the winding stopper cam. At the same time, the detection means detects the winding action of the first winding stopper lever, and the control means stops driving the drive motor. However, the drive motor cannot be stopped instantaneously. In other words, the motor rotates due to inertia for a while. During this time, the second winding stop lever, which is the second engaging member, comes to engage with this lever engaging means. And the second
When the winding stop lever moves in the winding action direction, the spool locking member biased in the spool blocking direction blocks rotation of the spool. In other words, after the drive source is stopped, the spool is forcibly stopped after a short period of time. Note that, depending on the type of drive motor and the configuration of the film winding mechanism, the degree of inertia described above may vary greatly, so if necessary, brake means may be used to suppress the inertia of the motor within a predetermined range. is preferred. (Effect) In the above configuration, the spool is first stopped by the drive source (
After stopping the motor), the reduction system (film winding means) is mechanically stopped while rotating due to inertia, so compared to stopping the reduction system at the same time as the drive source, the reduction system The entire drive mechanism can be stopped with relatively little tension. Therefore, it is possible to improve the durability and reliability of the film winding means, specifically, the speed reduction system that transmits the drive of the drive motor to the spool. Furthermore, the film can be unwound with a relatively small force (
This is because the winding is stopped in the deceleration system in a relaxed state), so a drive means for activating the release means, for example, a means configured to operate the release means using the attraction force of a magnet. It is possible to miniaturize the drive source of, etc. Therefore, the cost for this can be reduced, and the space for accommodating it can also be small.

【Example】

An embodiment of the present invention will be specifically described below based on the drawings. Figure 1 is a perspective view of the entire winding/unwinding mechanism, Figure 2 is a perspective view of the planetary mechanism, Figure 3 is a sectional view of the planetary mechanism and the vicinity of the overload prevention friction part, and Figure 4 is the overload prevention mechanism. 5A, 5B, and 6 are plan views of the friction preventing section, and are plan views of the vicinity of the film winding stop. FIG. 5A shows the film winding completed state, and FIG. 5B shows the motor just before the film winding is completed. The state in which the brake is applied and the vehicle is moving by inertia, the 6th
The figures each show the state in the middle of film winding. 7 to 9 are plan views of the vicinity of the charge winding stop, with FIG. 7 showing the charging completed state, FIG. 8 showing the state after the release is completed and before the start of winding, and FIG. 9 showing the state in the middle of charging. 1st O
The figure shows a plan view of the film pressing roller releasing section. 1st
1.12 is a timing chart, FIG. 11 is a timing chart during normal film winding, and FIG. 12 is a timing chart during initial loading (idle feeding). In FIG. 1, I is a motor for winding and rewinding, and is built in the spool 14. As shown in Fig. 3, there is a gear on the shaft 1a of the motor l! b is attached,
This gear 1b meshes with the reduction gear 2. A friction gear 3 that rotates around the same shaft 91a as the reduction gear 2 is placed below the reduction gear 2, and a spring 4 is wound around the upper part 3b of the friction gear 3. The reduction gear 2 has two vertical walls 2b and 2e formed at the lower part of the reduction gear 2, as shown by dashed lines in FIG. Both arms 4a and 4b of the spring 4 protrude from between the vertical walls 2b and 2e of the reduction gear 2. When the reduction gear 2 rotates counterclockwise, the side surface 2 of the vertical wall 2b of the reduction gear 2
c rotates the spring 4 and the friction gear 3 counterclockwise. When a load above a certain level is applied to the friction gear 3, the spring 4 and the friction gear 3 slide against each other, and rotation is no longer transmitted to the friction gear 3. When the reduction gear 2 rotates clockwise, the other side 2d of the vertical wall 2b of the reduction gear 2 is rotated by the other arm 4 of the spring 4.
Press b to rotate friction gear 3 clockwise. When a load of more than a certain value is applied to the friction gear 3, the spring 4 and the friction gear 3 slide against each other as in the case of counterclockwise rotation, and the friction gear 3
Rotation cannot be transmitted to. In this embodiment, such a spring is used, but a compression spring may be used so that it slips when a load of a certain value or more is applied. A gear 3a of the friction gear 3 meshes with a large gear 5a of the first reduction gear 5. As shown in Figure 2, the first
The first small gear 5b of the reduction gear 5 meshes with three planetary gears 6. The planetary gear 6 rotates around a shaft 7b formed integrally with the gear 7. This shaft 7 is attached at its upper part to a carrier plate 8. Further, the carrier plate 8 is attached to the shaft 9 so as to rotate integrally with the shaft 9. Therefore, the gear 7 and the shaft 9 come to rotate integrally. As shown in FIG. 3, the upper end 9a of the pongee 9 rotatably fits into a hole 91b of a base plate 91 fixed to a body (not shown), and the lower end 9b of the shaft 9 is fixed to the body. It is pivotally supported by a bearing 94 attached to a base plate 92. This shaft 9 also serves as rotational support for the first reduction gear 5 and the second reduction gear IO. The three planetary gears 6 are the second reduction gear I
It meshes with an internal gear 10a formed inside the gear. The first small gear 5b of the first reduction gear 5, the planetary gear 6, the internal gear IOa of the second reduction gear 10, the gear 7, and the carrier plate 8 constitute a planetary gear mechanism. That is, the second reduction gear 10 is rotated via the ascending internal gear 10a as the planetary gear 6 rotates, and the gear 7 and the carrier plate 8 can be rotated integrally with the shaft 9 due to the revolution of the planetary gear 6. Whether the planetary gear 6 rotates or revolves,
It depends on which one is smaller: the load applied to the second reduction gear IO or the load applied to the gear 7. In FIG. 3, a spool drive gear I2 rotatable around the upper part 10d of the second reduction gear IO is fitted, and a spring 11 is wound around the lower part 12b of the spool drive gear 12. At the lower end of this spring 11, an arm 11a integral with the spring II is provided to protrude outward in the radial direction, and the arm 11a is inserted into a notch formed in an annular projection 10c provided on the second reduction gear lO. is fitted. The rotation of the second reduction gear IO is transmitted to the spool drive gear 12 via the spring 11. Spool drive gear 12
meshes with an internal gear 14a formed integrally with the spool 14, and rotates the spool 14 by rotation of the spool drive gear 12. The transmittable torque between the spring 11 and the spool drive gear I2 causes the film to be transferred to the spool 1.
4 to obtain sufficient force for winding. Therefore, during normal film winding, no slippage occurs between the spring 11 and the spool drive gear 12. This spring 11 is provided so that the photographer can open the back cover and pull out the film by hand without rewinding the film wound around the spool 14. In this case, the spring 11 and the spool drive gear 12 are connected to each other. They will slide on each other. As shown in FIG. 1, a gear IOb is provided on the outer periphery of the second reduction gear 10, and this gear 10b meshes with a large gear 20a of the reduction gear 20. A small gear 20b provided at the lower part of the reduction gear 20 meshes with a planetary gear 21 supported by a carrier plate 22 that rotates around the same axis 21 as the reduction gear 20. The large gear 23a of the reduction gear 23
is installed. When the reduction gear 20 rotates clockwise, the carrier plate 226 rotates clockwise, and the planetary gear 21 and the large gear 23a of the reduction gear 23 mesh with each other. A small gear 23b is provided above the reduction gear 23, and this small gear 23b meshes with the sprocket gear 24. The sprocket gear 24 has a shaft 24b at the top, and a convex portion 24c that engages with the four portions 25a of the sprocket 25.
Furthermore, there is a shaft 24d on the upper part of which rotates the code plate 26 integrally. Pattern 2 is on the code board 26.
6a is formed, and sliding contact pieces 27, 28 are formed on the top thereof.
will be placed. The code plate 26 and the sliding contact pieces 27 and 28 constitute a third switch SW3, and the rotation of the code plate 26 turns the third switch SW3 on and off. The sprocket gear 24 further meshes with a winding stop gear 29. The stop gear 29 has a cam 29d at its bottom.
have. The cam 29d has a concave portion 29b and a convex portion 29.
c is formed. In the recess 29b, there is a first winding stopper lever 3 that can rotate around the same axis 21 as the reduction gear 20 independently of the reduction gear 20.
The convex portion 30a of 0 is fitted into the convex portion 30a. moreover,
Although not shown in FIG. 1 due to space limitations, as shown in FIG. 5A, the second winding stopper lever 1 rotates around the axis Pe located near the tip 30c of the first winding stopper lever 30.
30 is attached to the first winding stopper lever 30. Both the convex portion 30a of the first wind stop lever 30 and the tip bent portion 130a of the second wind stop lever 130 are engaged with the concave portion 29b of the wind stop gear 29. Furthermore, the other bent portion 13 of the second winding stopper lever +30
0b is in contact with the tip 33a of the locking lever 33. The other end 3'3b of the locking lever 33 is adapted to engage with a locking plate 13 that is attached to the second reduction gear 10 and rotates together with the second reduction gear 10.
The counterclockwise rotation of the reduction gear IO is stopped. The locking lever 33 is biased clockwise by a spring (or other elastic member) not shown so as to maintain engagement with the locking plate 13, and the convex portion 30a of the first winding stopper lever 30 When fitted into the recess 29b of the winding stop gear 29, the engagement with the locking plate 13 is maintained. Note that a leaf spring 31 comes into contact with the tip 30c of the first winding stopper lever 30 to bias the first winding stopper lever 30 in a counterclockwise direction, and a leaf spring 32 is provided at a position opposite to the leaf spring 31. , constitutes the first switch SWI. When the convex portion 30a of the first wind stop lever 30 and the recess 29b of the wind stop gear 29 are engaged, the first switch SWl is in an OFF state. By the way, the gear 7 meshes with the gear 40a of the one-rotation cam 40. As shown in FIG. 7, the one-rotation cam 40 has a notched gear 40b, a shutter, a mirror charging cam 40c, and a winding stop cam 40f. When the one-rotation cam 40 rotates a predetermined amount in the counterclockwise direction, the notched gear 40b
meshes with the spur gear 51a of the aperture charge gear 51, and the bevel gear 51b provided above changes the direction of the rotation axis to rotate an aperture ring (not shown) and open the aperture of the lens. The tip 44a of the charge lever 44, which rotates around the axis 24 and is biased counterclockwise, is in contact with the cam 40c. A bent portion 44b at the other end of the charge lever 44 is located at a position opposite to a distal end portion 60b of a lever 60 connected to a mirror and a shutter (not shown). Also, the winding stop cam 40f
has a concave portion 40g, and engages with a convex portion 41a of a charge winding stop lever 41 that rotates around the axis 23 and is biased clockwise by a leaf spring 42. The width of the concave portion 40g is larger than the width of the convex portion 41a of the jersey winding lever 4I. Jersey winding lever 4! The tip 41b of the lever 60 is the tip 60b of the lever 60.
It faces the convex portion 60a provided in the. The leaf spring 42 and a leaf spring 43 disposed opposite thereto constitute a second switch SW2. When the convex portion 41a of the charge winding stopper lever 41 is fitted into the concave portion 40g of the one-turn cam 40, the second switch SW2 is turned off. By the way, the first reduction gear 5 has a second /J1 gear 5c at its lower part, and the rotation of the first reduction gear 5 is controlled by the rewind gear 70.
, 71.72. The rewinding gear 72 meshes with a rewinding switching planetary gear 73 that is pivotally supported at the tip of a carrier plate 74 that rotates about the same axis 26 as the rewinding gear 72. This rewinding switching planetary gear 73 is arranged opposite to the gear 75a at the left end of the rewinding gear train 75. A gear 75b at the right end of the rewinding gear train 75 is engaged with a rewinding fork gear 76, and a rewinding fork 76b integrally formed therewith engages with the axis of the cartridge. When the rewind fork 76b rotates clockwise, the rewind fork 7
The shaft of the cartridge is rotated by the projection 76c of the cartridge 6b, and the film is rewound into the cartridge. As shown in FIG. 1O, the roller 82 that presses the film in contact with the spool 14 has an axis P. Bent end portion 8 of roller holder 81 that can rotate around
1c. The roller holder 81 includes a protrusion 81b extending upward, and since the protrusion stb is pushed leftward by the arm 83a of the torsion coil spring 83, the roller 82 is spooled by receiving a counterclockwise biasing force. 14. The cylindrical part 14b installed on the top of the spool 14 has
A coil spring 85 is provided. The upper arm 85a of this spring 85 is sandwiched between bent tip portions 84b and 84c of a roller release lever 84 that rotates about the same axis Ps as the roller holder 81. A bent portion 8 located near the axis P6 of the roller release lever 84
4a charges the torsion coil spring 83 by clockwise rotation of the roller release lever 84. At this time, the arm 83a of the torsion coil spring 83 separates from the projection 81b of the roller holder 81, so that the roller holder 81 no longer receives any biasing force. Also, as shown in Figure 5A, there is a winding release lever that rotates around the axis 27! 01, and a bent portion 101a near the tip thereof is located opposite to the side surface 30d of the first winding stopper lever 30. Near the bent portion 101a, there is a shaft core 2. A lever 102 that rotates around the clockwise direction is provided, and the lever 102 is connected to the unwinding release lever 10.
It is pivoted on 1. This lever 102 is biased counterclockwise by a torsion coil spring 110 provided around the axis P6, and its tip 102b comes into contact with the bent portion 101a of the winding release lever 101, causing its rotation. is regulated. The other end 102 of the lever 102
a is adapted to come into contact with a convex portion 29c of the stopper gear 29. Furthermore, a lever 103 that rotates around the same axis P7 as the wind stop release lever 101 is provided on the back side of the wind stop release lever 101. Attached to the bent end portion 103b of this lever 103 is an adsorption piece +05 that is adsorbed to the magnet 104. This magnet 104 is a combination magnet having a permanent magnet, and normally attracts an attraction piece 105. On the other hand, when a current is applied to the magnet +04, the force of attracting the attracting piece 105 disappears. This magnet 104 is made of plywood fixed to a body (not shown)! 20 is fixed to the vertically bent portion 120a. A torsion coil spring 112 is mounted between the winding release lever 101 and the lever 103, and the bent portion 101 of the winding release lever 101
b and the side surface 103a of the lever 103 are brought into contact with each other. Further, the winding release lever +01 is urged to rotate clockwise by the torsion coil spring 111, which has one arm suspended over the bent portion Iota of the winding release lever lO1 and the other arm resting on the base plate 120b. There is. Note that the attraction force of magnet +04 is set to be greater than the urging force of torsion coil spring III, so the attraction piece 105 is attached to magnet 1.
04, the unwinding release lever 101 and the lever 103 cannot be rotated clockwise. On the other hand, when the magnet 104 is energized, the attraction force disappears, and the winding stop release lever lot and the levers 102, 103 are integrally rotated clockwise around the axis 27 by the torsion coil spring 12, and the winding stop is released. By abutting the bent portion 101a of the lever +01 against the side surface 30d of the first winding stop lever 30, the first winding stop lever 30 can be rotated clockwise against the counterclockwise bias. The operation of the configuration as described above will be explained. In response to the release signal, a release magnet (not shown) is energized, the aperture is narrowed down, and the mirror is raised. At this time, the lever 60 moves to the right in FIG. Then, the protrusion 60a of the lever 60 pushes the tip 41b of the charge winding stopper lever 41, and the charge winding stopper lever 4
Rotate 1 counterclockwise. Then, the convex portion 41a of the charge stopper lever 41 and the concave portion 40g of the one-turn cam 40 are disengaged, and the one-turn cam 40 becomes rotatable (state !r3 in FIG. 8). At this time, the second switch SW2 is turned on. Thereafter, when a shutter (not shown) runs to complete exposure, the motor 1 is energized and the gear 1b of the motor 1 rotates clockwise. Reduction gear 2 rotates counterclockwise, and in FIG.
Since the arm 4a of the spring 4 is pushed by the side surface 2c of the vertical wall 2b, the spring 4 also rotates counterclockwise. The load at this time is sufficiently smaller than the load causing the spring 4 and the friction gear 3 to slip, so the friction gear 36 rotates counterclockwise. The first reduction gear 5 then rotates clockwise. On the other hand, since the convex portion 30a of the first winding stopper lever 30 is fitted into the recess 29b of the winding stopper gear 29, and the tip end 33b of the locking lever 33 is engaged with the locking plate 13, the second reduction gear 10 cannot rotate. In other words, the three planetary gears 6 cannot rotate. Therefore, the three planetary gears 6 revolve, the carrier plate 8, gear 7, and shaft 9 integrally rotate clockwise, and the one-rotation cam 40 rotates counterclockwise. Then, as shown in FIG. 9, the one-rotation cam 4
The notched gear 40b of 0 meshes with the flat gear 51a of the aperture charge gear 51, charges and releases the aperture, rotates the charge lever 44 clockwise by the cam 40c, and bends the charge lever 44. Section 44b
By pushing the tip end f30b of the lever 60 to the right (to the left in FIG. 1), the mirror and shutter are charged, and the lever 60 is returned to its original position. At this time, charge winding stop lever 4! tries to rotate clockwise when the lever 60 returns, but as shown in FIG. Cam 40 can continue to rotate. At this time, the second switch SW2 is still in the on state. When the notched gear 40b is disengaged from the spur gear 51a of the aperture charge gear 51 and the charge lever 41 is also returned to its original position to complete charging of the aperture, mirror, and shutter, one end 40 of the concave portion 40g of the one-rotation cam 40 is released.
At point e, the charge winding stop lever 41 rotates clockwise, the convex portion 41a fits into the concave portion 40g of the one-turn cam 40, and the second switch SW2 is turned off. Then, as shown in the timing chart of Fig. 11,
When the second switch SW2 is turned off, the magnet +04
A pulsed current is applied to , and the attraction force between the attraction piece 105 and the magnet 104 disappears. Then, as shown in FIG. 6, the winding release lever +01 is rotated clockwise due to the energization of the magnet 104, and the bent portion 101a is rotated clockwise.
Press the side surface 30d of the first winding stopper lever 30 with
The winding stop lever 30 rotates clockwise. The side surface 30d of the first winding stop lever 30 comes into contact with the bent part 130b of the second winding stop lever +30, and the second winding stop lever 130
It rotates together with the winding stopper lever 30, and the winding stopper gear 2
9 is disengaged from the recess 29b. The bent portion 130b of the second winding stopper lever 130 is connected to the locking lever 33.
, and rotate the locking lever 33 counterclockwise to disengage the other end 33b of the locking lever 33 from the locking plate 13. Therefore, the second reduction gear IO becomes rotatable. Eventually, film winding is started and the winding stop gear 29 rotates clockwise. However, at this time, the one-rotation cam 40
Until 0d comes into contact with the convex portion 41a of the charge stopper lever 41, there is almost no load, so the planetary gear 6 continues to revolve. While the load is light, the engagement between the convex portion 30a of the first wind stop lever 30 and the recess 29b of the wind stop gear 29 is disengaged. That is, at this time, the convex portion 3 of the first winding stopper lever 30
With almost no force due to the reaction of the planetary gear mechanism being applied between 0a and the recess 29b of the stopper gear 29,
It is possible to rotate the first winding stopper lever 30 with a small force. The convex portion 41a of the charge winding stop lever 41 comes into contact with the end 40d of the concave portion 40g of the one-rotation cam 40 (the one-rotation cam 40
0 means exactly one rotation), the three planetary gears 6 begin to rotate counterclockwise, and the second reduction gear I
Rotate O counterclockwise. And spring 11
Spool driven gear through! 2 counterclockwise, and the spool 14 is rotated counterclockwise to wind the film. Further, since the gear lOb of the second reduction gear 10 and the large gear 20a of the reduction gear 20 are meshed with each other, the reduction gear 20 rotates clockwise. The carrier plate 22 rotates clockwise due to the frictional force between it and the reduction gear 20, and the planetary gear 21 attempts to engage with the large gear 23a of the reduction gear 23. On the other hand, the film wound up by the spool 14 rotates the sprocket 25 counterclockwise. The sprocket gear 24 and the code plate 26 also rotate counterclockwise at the same time. The small gear 23b of the reduction gear 23 that meshes with the sprocket gear 24 rotates clockwise. Here, when the film is wound around the spool 14,
The planetary gear 21 meshes with the reduction gear 23 and the reduction gear 23
Since the reduction ratio is set so that the speed at which the 6th film rotates the reduction gear 23 via the sprocket 25 is faster than the speed at which it rotates, the planetary gear 21 meshes with the large gear 23a of the reduction gear 23. Even if you try, it will be immediately blown away, and the rotation of the motor will not be transmitted to the sprocket 25. In addition, when the film is not wrapped around Subuno 1N4 like during initial loading, the planetary gear 21
meshes with the large gear 23a of the reduction gear 23, and the small gear 23
b1 Sub [Sprocket 25 via 1-butt gear 24
rotate counterclockwise to feed the fill 14 to the spool 14 side. By the way, as the sprocket 25 rotates counterclockwise, the stopper gear 29 rotates clockwise. Due to the rotation of the stopper gear 29, the convex portion 29c moves to the lever +02.
The lever 101 is brought into contact with the tip 102a of the lever 102.
The magnet 104 is rotated counterclockwise integrally with the magnet 104 to attract the attraction piece 105 to the magnet 104. Adsorption piece! Even after 05 is attracted to the magnet 104, the convex portion 29c keeps the lever 103 and the winding release lever +01
and the amount of movement is the same as that of both levers 103 and 101.
is a stroke that continues to rotate counterclockwise while charging the torsion coil spring 112. Therefore, the attraction piece 105 can be reliably attracted to the magnet 104. Then, when the winding stop gear has rotated substantially, the convex portion 30a of the first winding stop lever 30 falls into the recess 29b of the winding stop gear 29. At this time, as shown in FIG. 5B, the convex portion 130a of the second winding stopper lever 130 cannot yet fall into the recessed portion 29b, and the locking lever 130
3 and the locking plate 13 are maintained in a disengaged state. When the convex portion 30a of the first wind stop lever 30 falls into the recess 29b of the wind stop gear 29, the first switch SWI is turned off. At this time, the motor! The energization is stopped and the brake is applied to the motor 1, but the motor 1 still continues to rotate due to inertia. Winding gear 29
is further rotated counterclockwise, and the convex portion 29c is aligned with the lever 10.
2, the lever +03 and the winding release lever 101 are rotated clockwise by the charged torsion coil spring 112, and the bent part 101b of the winding release lever 101 and the lever 103 are rotated clockwise by the charged torsion coil spring 112.
side surface 103a abuts and returns to the original state. At the same time, the second winding stop lever 130 is also rotated clockwise around the axis P by the locking lever 33, and the convex vJ130a falls into the recess 29b of the winding stop gear 29, and the winding stop gear 2
9 is stopped, and the locking plate 13 is engaged with the tip 33b of the locking lever 33 to be stopped. In other words, the spool 14 is also stopped. This means that the film has been advanced one frame. By doing this, the brake can be applied early, and the film is stopped and the spool 14 is stopped during the brake operation, so it is possible to prevent a large force from being applied to the film winding mechanism and the winding and stopping mechanism. . This locking lever 33 is provided for the following reason. That is, when the winding lever 29 is stopped, the sprocket 25 is immediately stopped, but the spool 14 continues to rotate due to the inertia of the motor 1 due to backlash of the gears or the like. Then, the film tries to be further wound up by the spool 14, but since the sprocket 25 has already been stopped, even though the brake is applied to the motor 1 early, the film is not rolled up too much between the spool 14 and the sprocket 25. A force acts. In order to avoid this, the spool 14 is stopped by the locking lever 33 via the locking plate I3. While the gear 1b of the motor 1 is rotating clockwise, the winding operation is performed, and during this time, the second small gear 5c of the first reduction gear 5 and the rewinding gear 70°71.72 are also rotating. Since the rewinding gear 72 rotates counterclockwise, the carrier plate 74 is caused by friction with the rewinding gear 72 and rotates in the shaft center 26.
rotate around. Therefore, the planetary gear 73 does not mesh with the gear 75a at the left end of the rewinding gear train 75, and does not transmit rotation to the rewinding fork gear 76. Also, while the spool 14 rotates counterclockwise to wind up the film, the coil spring 85 wound around the cylindrical portion 14b at the top of the spool 14 causes the roller release lever 84 to rotate clockwise. The release lever 84 is restricted so that it cannot be rotated counterclockwise beyond the position shown in FIG. 85 and the cylindrical portion +4b of the spool 14. It should be noted that while the film is being advanced by one frame, the third switch SW3 is repeatedly turned on and off, as shown in the timing chart of FIG. In this embodiment, the third switch SW
3 is set to turn on eight times. Next, during initial loading of the film (blank feed)
The operation will be explained. As shown in the timing chart in Fig. 12, when the film is loaded and the camera back is closed, a switch (not shown) is turned on, and gear ib of motor l is rotated in the direction opposite to the winding direction (counterclockwise). Motor 1 is energized to rotate. This energization time is very short (about 30 ms) and is only enough to move the backlash of the gear. By this operation, when winding is completed, the recess 29b of the wind stopper gear 29 and the first wind stop lever 3
The load on the convex portion 30a of 0 can be relaxed. Thereafter, the brake is applied to the motor l, and at the same time, the magnet 104 is energized. Then, as mentioned above,
Bend part of unwind release lever +01! 01a, the first
When the side surface 30d of the winding stopper lever 30 is pushed, the first winding stopper lever 30 rotates clockwise, and the recess 29b of the winding gear 29, the convex part 30a of the first winding stopper lever 30, and the second winding stopper lever are pressed. +30 is disengaged from the tip bent portion 130a, and the first switch SWI is turned on. Further, the locking lever 33 rotates counterclockwise, and the tip portion 33
h and the locking plate 13 are also disengaged. After applying the brake to the motor l for a certain period of time, the gear 1b of the motor l is then rotated clockwise. Then, since the film has not yet been wound around the spool 14, the planetary gear 21 meshes with the large gear 23a of the reduction gear 23, thereby shifting the sprocket 25.
counterclockwise to feed the film to the spool 14 side. By rotating the stopper gear 29 clockwise, the suction piece 1
05 comes to be attracted to the magnet +04 at one end, but just before the protrusion 30a of the first winding stopper lever 30 fits into the recess 29b of the winding stopper gear 29, the magnet 1 is attracted again.
04 is energized and the winding stopper lever 101 is rotated clockwise to prevent the convex portion 30a of the first winding stopper lever 30 from fitting into the recess 29b of the winding stopper gear 29. The timing at which the magnet +04 is energized is when the third switch SW3 is turned on for the eighth time. Since the protrusion 1<30a of the first winding stopper lever 30 does not fit into the recess 29b of the winding stopper gear 29, the first switch SWl continues to be in the on state and the motor l remains energized. Further, the spool 14 and sprocket 25 rotate counterclockwise to start winding the film for the second frame. Then, as in the previous frame, when the third switch SW3 is turned on for the eighth time, the magnet 104 is energized again. And 3
Move on to winding the frames. Similarly, the third Suizuji S
Magnet 104 turns on at the 8th turn on of W3.
Turn on the power and start winding the 4th frame. At this time, at the above timing, it is a magnet! 04 is not energized,
When the winding stopper gear 29 rotates once, the convex portion 30a of the first winding stopper lever 30 and the tip bent portion 13 of the second winding stopper lever 130
0a is fitted into the four parts 291 of the stopper gear 29], the first switch SWI is turned off, the brake is applied to the motor I, and the initial load is completed. During this initial loading, the film is wound around the spool 14. Incidentally, although no explanation is given regarding rewinding the film, it is of course possible to rewind the film in this embodiment as well. An overview of film rewinding is as follows. That is, when the film is stretched at the final frame, the stopper gear 29 stops and the first switch swI is held in the on state. This state is measured by a built-in timer (not shown), and even if the scheduled winding time has elapsed, the first switch
If W+ is not turned off, the built-in control means determines that the film is finished. Then, the motor 1 is rotated in the film rewinding direction, the rotation is transmitted to the rewinding gear 72, and the film is rewound into the cartridge. Note that control means, which will be described later, is used to prevent the protrusion 30a of the winding stopper lever 30 from fitting into the recess 29b of the winding stopper gear 29 during film rewinding. Finally, a specific example of the control means in the film winding device of the present invention will be explained. FIG. 13 is a circuit diagram using a microcomputer μC as the control means of the present invention. Each switch in this figure is SWI, SW2. SW3 includes each of the switches SWI, SW2 . Corresponds to SW3. The respective switches SWl, SW2 . One end of SW3 is a pull-up resistor r
are pulled up to the power supply line V via the input terminals IPI, IP! of the microcomputer μC, respectively. , I
Connected to F5. Also, each switch SWI, SW2
．． The other end of SW3 is grounded. Switch SW5 is
This is a switch that is turned on during multiple exposure. switch SW
A switch 6 is turned on when film is loaded and the back cover of the camera is closed, and is turned off when no film is loaded or the back cover is open. The switch SW7 is a switch that is turned on when rewinding at an intermediate frame. As is clear from FIG. 13, these switches SW4
．． SW5. SW6. One end of SW7 is a pull-up resistor r
are pulled up to the power supply line V via the microcomputer input terminals r P, , I P3 .
T Pe, T P71. :It is connected. Moreover, each switch SW4. SW5. SW6. The other end of SW7 is grounded. At the same time, switches SW4, SW6. S
One end of W7 is connected to each interrupt terminal IN'l"1.INT2゜INT3 of the microcomputer μC. Therefore, when any of the switches SW4, SW6, SW7 is turned on, the corresponding microcomputer μC Each interrupt terminal lNTl, IN'l'2.rNT3
falls, and in synchronization with the falling of I7, the microcomputer μC starts an interrupt operation to be described later. The microcomputer μC is configured such that once an interrupt is started, it will not accept any interrupts until it is again permitted. BA is a power supply battery, which supplies electricity to this circuit. Mg is a magnet, which is numbered +04 in Figure 1 etc. This magnet Mg has one end connected to the power supply line V. The other end is connected to an NPN transistor Q,
connected to the collector. Further, a diode D1 for preventing back electromotive force is connected in parallel to the magnet Mg. Transistor Q. The emitter of is grounded, and the base is connected to two resistors It
3. It is connected to the connection point of Rt. The other end of the resistor R1 is connected to the output terminal OPI of the microcomputer μC, and the other end of the resistor R2 is grounded. Therefore, when the microcomputer μC outputs a high-level signal from the output terminal OP, the transistor Q becomes conductive, current flows through the magnet Mg, and the magnet Mg is activated. Conversely, when the microcomputer μC outputs a low-level signal from the output terminal OP, the transistor Q1 becomes non-conductive, no current flows through the magnet Mg, and the magnet Mg becomes inactive. 2 PNP) Run Sister Q2. Q3. Two N's
The PN transistors Q, , Q5 and the back emf prevention diodes D 2 , D 3 , D 4 , D 5 constitute a well-known motor control circuit, and the motor M (the first Controls forward/reverse rotation and stop of motor 1 (corresponding to motor 1 in Figure 1). As is clear from FIG. 13, the bases of each PNP run sister Q, , Q, are connected to the respective output terminals OP, , OP3 of the microcomputer μC,
The bases of PN l-run sisters Q, ,Q, are, respectively,
Through each resistor R3, R, the microcomputer μC
are connected to respective output terminals OPs and OP2. Microcomputer μC has each output terminal OP. Outputs a high level signal from OP, and outputs a high level signal from each output terminal OP.
4. When a low level signal is output from OPs, each transistor Q, , Q becomes conductive, and each transistor Q3 . Q becomes non-conductive. Therefore, current flows from the power supply line V to the transistor Q2 and the NPN transistor Q, and the motor M rotates normally. Conversely, the microcomputer μC has each output terminal OP! , OPs
Output a low level signal from each output terminal OF4.
When a high level signal is output from OP s, each transistor Q,,Q, becomes non-conductive, and each transistor Q
I, Q3. Q4 becomes conductive. Therefore, from power supply line V to PNP) Runsistor Q2,
Current flows to the motor M and the NPN transistor Q4, and the motor M rotates in reverse. And microcomputer-μC
are the respective output terminals OP t and OP 3 . OP 4. When a low level signal is output from all of the OPs, each PNP) run sister Q,, Q, becomes conductive and each NPN) run sister Q,, Q5 becomes non-conductive. Alternatively, the microcomputer μC may output terminals OP, OP3, . When high level signals are output from all of OP, OP5, each PNP transistor Q, ,Q
, becomes non-conducting, and each N P N h run sister Q,
, Q are conductive. Therefore, each output terminal OPt, OP3
．． When the same level signals are output from OP, OP5,
Motor M is short-circuited and motor M is braked. Next, the operation of this Micro Combister μC will be explained. First, the operations during normal winding and auto return will be explained. When the photographer presses the release button (not shown),
The switch SW4 is turned on, the interrupt terminal lNTl of the microcomputer μC falls as described above, and the microcomputer μC operates according to the flowchart shown in FIG. First, as is well known, the microcomputer μC narrows down the aperture and
Raise a mirror (not shown). Then, the shutter front curtain is moved to expose the film. When a predetermined time (shutter seconds) has elapsed after the front shutter curtain was run, the microcomputer μC causes the rear shutter curtain to run. After the above operation (step #1), that is, after a predetermined period of time has elapsed since the trailing curtain was run, the microcomputer μC proceeds to step #ll to charge the mirror, diaphragm, and shutter. Note that a detailed explanation of step #l is omitted here because it is not directly related to the present invention. During the operation of step #l, switch SW
2 turns on. In step #11, the microcomputer μC outputs a high level signal from each output terminal OP t, OP a, and outputs a low level signal from each output terminal OP 4, OP s to rotate the motor M in the forward direction. . And the microcomputer μC has an aperture, a mirror,
Wait until the charging of the shutter is completed and the switch SW2 is turned off (step #12). The microcomputer μC determines the state of the switch SW2 based on the signal input to the input terminal IP. When a high level signal is input to the input terminal IPt, the microcomputer μC determines that switch SW2 is turned off (switch SW4 is also turned off), and determines whether multiple exposure is being performed (step # 13), and also determines whether film is loaded (step #!4). When a low level signal is input to the input terminal IPa, the microcomputer μC turns off the switch SW5 and
It is determined that multiple exposure has occurred, and the process proceeds to step #26, where the motor M is braked. If a high-level signal is input to the input terminal IP, the microcomputer μC determines that the switch SW6 is off and no film is loaded, and proceeds to step #26 to brake the motor M. put on. Therefore, this microcomputer μC does not allow winding to occur unless there is a film in the film. Note that when the back cover is open, the switch SW6 is turned off, so winding is not performed in this case as well. If there is no multiple exposure and the film is loaded,
The process advances to step #2I (winding routine) to wind the film. First, the microcomputer μC outputs high-level pulses at predetermined time intervals from the output terminal OP to activate the magnet Mg (step #21).
. At the same time, the microcomputer μC resets and starts the built-in timer (step #
22). When the magnet Mg is activated in step #21, as described above, the switch SWI is turned on and the driving force of the motor M is transmitted to the film winding side, thereby winding the film. After starting the timer in step #22, the microcomputer μC waits until winding for one frame is completed or until the timer measures a predetermined time (steps #23 and #24). Note that this predetermined time is slightly longer than the time required for winding one frame of film (for example, 3 seconds).
It is set to . When one frame of film is wound, the switch SWI is turned off as described above, and a high level signal is input to the input terminal ■Pl of the microcomputer μC. When the microcomputer μC detects this, it proceeds to step #26 and connects each output terminal OP, , O
A high level signal is output from P5 to apply a brake to the motor M. Thereafter, the microcomputer μC enables interrupts (step #27) and then waits until the next interrupt is issued. The above is the operation of the microcomputer μC during normal winding (see Figure 1f). On the other hand, when the timer measures the predetermined time, the microcomputer μC outputs each output terminal OP. A high-level signal is output from OF2 to apply a brake to the motor M, and after waiting until the rotation of the motor M completely stops, the program proceeds to the rewind routine (FIG. 15). It goes without saying that the fact that the timer has counted the predetermined time period means that the film has reached its last frame. FIG. 15 is a flowchart showing the rewind routine. When proceeding to the rewind routine, the microcomputer μC
outputs a low level signal from each output terminal OP t and OP 3 to reverse the motor M (step #41
). Then, as described above, rewinding of the film is started. As mentioned earlier, when the film is stretched, if the attraction piece 105 is attracted to the magnet +04, rewinding becomes impossible during rewinding, and the switch SW1 is turned off. Therefore, during rewinding, the microcomputer μC determines whether or not a high-level signal is input to the input terminal IP (step #42), and if a high-level signal is input to the input terminal IP, Each output terminal OP t
, OP3 outputs a high-level signal to brake the motor M (step #49), and a high-level pulse is output from the output terminal OP to operate the magnet Mg (step #50). This makes it possible to continue rewinding, as described above, and the microcomputer μC again steps #
Go to 41 and resume rewinding. When the microcomputer μC determines that rewinding has been completed in step #43, the microcomputer μC outputs the respective output terminals Opt and O.
A high level signal is output from P3 to apply a brake to motor M (step #44). When all the films are wound into the cartridge, the state is the same as when no film is loaded, so the switch SW7 is turned off. Then, the input terminal IP? A high level signal is input. When the microcomputer μC detects this, it determines that rewinding has been completed. When the brake is applied to the motor M in step #44 and the motor M has completely stopped, the microcomputer μC outputs a high level signal from each output terminal OP, OP5, causing the motor M to rotate in the normal direction (step #44). #45). after that,
The microcomputer μC waits until the switch SWI is turned off (step #46). switch SWI
is turned off and a high-level signal is input to the input terminal IP, the microcomputer μC turns each output terminal OP
After outputting a low level signal from 4°OF2 and applying a brake to the motor M (step #47) and allowing an interrupt (step #48), the controller waits until the next interrupt is applied. The following is an explanation of the operation of the microcomputer μC during auto-return. Note that the detection of the completion of rewinding in step #43 is based on the number of times the rewinding switch SW3 is turned on, as described above.
In other words, the number of times the input terminal TP3 falls is counted, and the number of times the input terminal TP3 falls (even when winding the switch SW
It may be determined that rewinding is completed when the number of times 3 is turned on is counted. Next, microcomputer μC is used when the film does not reach the end and the photographer wants to rewind at an intermediate frame.
Explain the operation. In this case, the photographer must switch SW7.
When turned on, the interrupt terminal INT3 of the microcomputer μC falls, and the microcombi coater ItC operates according to the flowchart shown in FIG. 16, as described above. First, the microcomputer μC
, each output terminal is OP! , OP s outputs a low-level signal, and each output terminal OP, , OP outputs a high-level signal to avoid reversing the motor M (step #31
). After that, the backlash of the gear moves (approximately 3
0++ seconds), the microcomputer μC outputs a high-level signal from the output terminal OF+ to activate the magnet Mg (step #32). Then, the program proceeds to the rewind routine (FIG. 15) described above and performs rewind. The above is the operation of the microcomputer μC when the photographer causes the film to rewind midway through. Finally, the operation of the microcomputer μC during initial loading will be explained. When the film is loaded and the back cover is closed, the switch SW6 is turned on, the interrupt terminal INT2 falls, and the microcomputer μC operates according to the flowchart shown in FIG. 17, as described above. First, the microcomputer μC outputs each output terminal OP2. 4. Output a low level signal from each output terminal OP. A high level signal is output from OP s to reverse the motor M. (
Step #61). After a period of time (approximately 30 milliseconds) long enough for the gear backlash to move, the microcomputer μC outputs a high-level signal from each output terminal OPt and OP3 to brake the motor M (step #62). Subsequently, the microcomputer μC outputs a high-level pulse from the output terminal OP to activate the magnet Mg (step #63). At this time, switch SWI is turned on. After that, the microcomputer μC opens each output terminal OP.
4. Output a low level signal from OP s to motor M.
Rotate forward. Then, as described above, the sprocket 25 rotates and the switch SW3 is turned on and off repeatedly. The microcomputer μC counts the number of times the switch SW3 is turned on, and when the switch SW3 is turned on eight times, the microcomputer μC determines that one frame of film has been fed (step #65). Thereafter, the microcomputer μC determines whether four frames of film have been fed (step #66). And if 4 frames of film have not been fed yet,
The microcomputer μC outputs a high-level pulse from the output terminal OP, activates the magnet Mg, and prevents the winding from being stopped (step #67). The microcomputer μC then returns to step #65 and continues processing. On the other hand, when four frames of film have been fed, the microcomputer μC waits until the switch SWI is turned off (step #68). When the switch SWI is turned off and a high level signal is input to the input terminal IP, the microcomputer μC- determines that the switch SWI is turned off, and each output terminal OP4. A high level signal is output from OPa to apply a brake to motor M (step #69). Thereafter, the microcomputer μC enables interrupts (step #70) and waits until the next interrupt is issued. The above is the operation of the microcomputer μC during initial loading (see FIG. 12). The microcomputer serving as the control means may also be used to control the exposure of the camera, as described above, or may be a microcomputer dedicated to film winding and rewinding. In this case, a switch is provided that is turned on when the shutter trailing curtain completes its travel and turned off when the shutter is charged, and when this switch is turned on, the microcomputer starts operating from step #11 in Figure 14. do. It goes without saying that it is also possible to configure the control means only by the hardware configuration of an electric circuit without using a microcomputer.

[Brief explanation of the drawing]

1 to 12 show a film winding device for a camera according to an embodiment of the present invention, FIG. 1 is a perspective view of the entire winding/rewinding mechanism, FIG. 2 is a perspective view of the planetary gear mechanism, and FIG. Figure 3 is a sectional view of the planetary gear mechanism section and the vicinity of the overload prevention friction section, and Figure 4 is a plan view of the overload prevention friction section.
Figures 5A, 5B, and 6 are plan views of the vicinity of the film winding stop. Figure 5A shows the film winding completed and Figure 5B shows the film just before the film winding is completed, when the motor is braked and moves by inertia. Figure 6 shows the state in which the film is being wound, and Figure 6 shows the state in the middle of winding the film. Figures 7 to 9 are plan views of the vicinity of the charging stop, Figure 7 shows the state when charging is completed, and Figure 8 shows the state after the release is completed and just before the winding starts. , FIG. 9 shows the state in the middle of charging, FIG. 10 is a plan view of the film pressing roller releasing section, FIGS. 11 and 12 show timing charts, and FIG. 11 shows the state during normal winding of the film. 1st
Fig. 2 shows each timing chart during initial loading (during blank feeding), Figs. 13 to 17 show control means for controlling the film winding device, and Fig. 13 shows a microcomputer as the control means. A circuit diagram using
Fig. 14 is a flowchart explaining the operations during normal winding and auto return, similarly Fig. 15 is a flowchart when rewinding, Fig. 16 is a flowchart when rewinding at an intermediate frame, and Fig. 17 is a flowchart explaining the operation during normal winding and auto return. It is a flowchart at the time of initial loading. 1... Drive motor, 5... First reduction gear, 6...
Planetary gear, 7... Gear, 8... Carrier plate, 9...
- Shaft, 10... Second reduction gear, 10a... Internal gear, 12... Spool drive gear, 13... Locking plate, 1
4...Spool, 25...Sprocket, 29...
- Winding stop cam (winding stop gear), 29b... lever engaging means (recess), 30... first winding stop lever, 30a.
... Convex portion, 33... Spool locking member (locking lever)
, 33b...Tip, 40...1 rotation cam, 40g
... recess, 41 ... charge winding stop lever, 41a
...Convex portion, 103...Release means (lock release lever)
, 104...Release means (magnet), 130...
2nd winding stop lever, 130a...tip bending part, 130
b...Bending portion, SWI...Detecting means (first switch), SW2...Second switch, SW3...Third switch, F...Film. Patent applicant Minolta Camera Co., Ltd. Agent
Patent Attorney Sogai Aoyama 1 person 03D Prisoner 5B: 26I21 06b Figure 9 Figure 10 Figure 11 Figure 12111 Figure 14 Figure 15 Figure 17 Procedural Amendment (Mr. Self-Responsive Patent Office Commissioner, July 13, 1988) 2. Name of the invention Film winding device 3. Relationship with the person making the amendment Patent applicant's address Yasukamize f2f', Higashi-ku, Osaka, Japan] O1
Ishiji Osaka Kawagibi name (607) Representative of Minolta Camera Co., Ltd. 1) Hideo Shima 4, Agent 5, Date of amendment order (voluntary) 7. Contents of amendment 1, The following parts in the specification I will correct it. (1) Detailed Description of the Invention Column (1) Page 29, line 14, "counterclockwise" should be corrected to "clockwise." (2) On page 36, line 15, insert the following sentence after "The other end is grounded.""Switch SW4 is a switch that is turned on by pressing the release button (not shown)." (3) Page 37, No. 17
Correct the line ``What is a microcomputer μC?'' to read ``What is a microcomputer μC?'' (4) Page 39, lines 17 to 18 Correct rPNP) Runsister Q2, NPN) Runsister QsJ to rPNP) Runsister Q1, motor M, NPN transistors Q, J. (5) On page 40, line 3, ``Each transistor Q,,Q3゜Q,J'' has been corrected as ``Each transistor Q3.Q, J.'' (6) From page 42, line 12, Line 13: “Judging that it is off (switch SWJ is also off)”
Correct the statement to read, ``It is determined that the device is turned off.'' (7) On page 42, line 17, replace "switch SW5 is off" with "switch SW5 is off."
"W5 is on," I corrected. (8) On page 43, line 13, ``of spacing'' should be corrected to ``of width.'' (9) On page 46, lines 8 to 9, the statement ``Microcomputer μC completes rewinding in step #43'' has been corrected to ``rewinding completes in step #43''. (10) Page 46, line 14, "Switch 5W7J" has been corrected to "Switch 5W6J." (11) Page 46, line 15, "Input terminal IP?J" has been corrected to "Input terminal IPsJ. (12) On page 47, line 14, the phrase "Switch SW3 is on during rewinding" should be replaced with "Switch SW3 is on during rewinding."
The switch SW3 is corrected. (13) On page 42, line 12, ``high-level signal'' should be corrected to ``high-level pulse.'' (14) In the first line of page 49, ``When the back cover is closed,'' is corrected to ``When the back cover is closed.'' (15) From page 49, line 20 to page 50, line 1, ``Switch SW3 repeats on and off.'' [Switch SW3 repeats on and off.] ” I am corrected. (16) On page 50, lines 17 to 18, correct the statement ``Switch SWI is turned off and input terminal IP.'' to ``Input terminal IP +.''that's all

Claims (1)

[Claims] 1. A drive motor (1); a spool (14) for winding a film; a film winding means for transmitting the driving force of the motor (1) to the spool (14); a spool locking member (33) that prevents rotation of the spool (14) in the film winding direction; a biasing member that urges the spool locking member (33) in the blocking direction; , and a winding stop cam (29) configured to rotate once for each frame of film feeding;
The first winding stopper lever (30) is biased in the winding action direction so as to prevent rotation of the winding stopper cam (2).
9) to prevent the rotation of the winding cam (29), the first winding stopper lever (30) is rotatable and moves in the winding release direction together with the first winding stopping lever (30). a second winding stop lever (130) which is movably mounted and biased in the winding action direction by the spool locking member (33); and a first winding stop lever (30) when winding the film. a lever engaging means (29b) provided on the wind stop cam (29) so as to engage with the second wind stop lever (130) after the engagement; and a release means (
103, 104), a detection means (SW1) for detecting the winding action of the first winding stopper lever (30), and a detecting means (SW1) for driving the motor (1) when winding the winding and releasing the releasing means (103, 104). and control means for stopping the drive of the motor (1) when the detecting means (SW1) detects the winding action of the first winding stopper lever (30). Characteristic film winding device.