JP2000147625A - Camera - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a camera capable of contriving a structure of hanging ring for coupling a strap and a knob and disposing such members in a small space on a camera body. SOLUTION: A hanging ring shaft 50 for attaching the hanging ring 17, capable of coupling with the strap for the camera to a camera main body frame 51 and an operation knob 9 for opening a cartridge chamber cover, are arranged at the same position of a camera body 54 in a coaxial state with respect to a shaft J1. As a result, such members can be disposed in a small space. Furthermore, only one attaching hole 55a (hole in which the shaft 50 and the knob 9 are inserted) provided on a metallic cover 55 needs to be used.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a camera having a hanging ring for attaching a strap and a knob for opening a lid of a film cartridge chamber.

[0002]

The camera body is provided with various operation switches such as a release button, a knob for opening and closing the lid of the film cartridge chamber, a suspension ring for connecting a strap, and the like. These members are limited in their arrangement positions from the viewpoints of operability, aesthetics, and the like. Therefore, as miniaturization progresses like a compact camera, these members must be arranged in a smaller space.

In particular, the knob for opening and closing the lid of the film cartridge chamber, the suspension ring, and the like must always be in a usable state irrespective of whether or not photographing is being performed. For this reason, in a camera having a slide cover that covers and protects the taking lens and the like when not in use, these knobs and suspension rings must be provided in portions that are not covered by the slide cover, which requires more space saving. You.

An object of the present invention is to provide a camera in which these members can be arranged in a small space on the camera body by devising the structure of the suspension ring and the knob described above.

[0005]

An embodiment of the present invention will be described with reference to FIG. (1) The camera according to the first aspect of the present invention has a strap connecting member 17, 50 connectable to a camera strap.
And an operating member 9 for opening the film cartridge chamber cover, and the strap connecting members 17 and 50 and the operating member 9 are coaxially arranged on one surface of the camera body 54 to provide the above-described configuration. Achieve the goal. (2) The invention according to claim 2 is the camera according to claim 1, wherein the operation member 9 is a rotation operation member that rotates coaxially with the strap connecting members 17 and 50, and the film cartridge is rotated by rotation of the operation member 9. The mechanism for opening and closing the chamber lid is driven. (3) The camera according to claim 2, wherein the operation member 9 and the strap connecting members 17, 50 are provided.
Are provided integrally with the camera.

In the section of the means for solving the above-mentioned problems, which explains the configuration of the present invention, the drawings of the embodiments of the present invention are used in order to make the present invention easier to understand. However, the present invention is not limited to the embodiment.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIGS. 1A and 1B are views showing the appearance of the camera when the slide cover 2 is opened, wherein FIG. 1B is a front view of the camera 1, and FIG.
(C) is a bottom view of the camera 1 as viewed from below (B direction of (b)). On the other hand, FIG.
FIGS. 3A and 3B are views showing the appearance when the camera is not used with the slide cover closed, wherein FIG. 3A is a top view, FIG. 2B is a front view, and FIG.

In FIG. 1, a slide cover-2 is a cylindrical cover having a rectangular section and a bottom, and a camera body 3 is housed in a hollow portion of the sheath-shaped slide cover-2. A guide (not shown) is provided between the slide cover-2 and the camera body 3 for engaging the two, and the slide cover-2 is located at the camera use position where the camera body 3 is exposed as shown in FIG. As shown in FIG. 2, the camera body 3 can be moved between a camera non-use position where the camera body 3 is covered with the slide cover 2 and housed inside (hollow portion). When the slide cover 2 is closed as shown in FIG. 2, the slide cover 2 is integrated with a fixed cover 31 formed integrally with the camera body 3 to form a camera external shape.

When the slide cover 2 is opened to the camera use position as shown in FIG. 1 when the camera is used, the lens barrel 4 holding the photographing lens 41 is extended from the camera body 3 to a predetermined position, and is ready for photographing. On the upper surface of the camera body 3, a shutter release button 5 and a changeover switch 6 for switching a print type at the time of printing are provided. The print types include a wide type H, a standard type C, and a panorama type P. When one of them is selected by the changeover switch 6, the field frame of the finder optical system is switched according to the selected print type.

On the other hand, a battery compartment lid 7 for opening and closing a battery compartment (not shown) for mounting a power supply battery is provided on the bottom of the camera body 3.
A cartridge chamber lid 8 for opening and closing the film cartridge chamber in which the film cartridge is loaded is provided on the bottom surface of the fixed cover portion 31 adjacent to the battery chamber lid 7. The cartridge chamber lid 8 is provided with a tripod seat (female for attachment) 15 for fixing the camera to a tripod. An operation knob 9 for releasing the lock of the cartridge chamber lid 8 is provided on a side surface of the fixed cover portion 31. Reference numeral 17 denotes a suspension ring to which a camera strap is attached.
Attached to.

As shown in FIG. 1B, an AF element 10 and a finder objective window 11 are provided above the lens barrel 4 to prevent human eyes from appearing red during flash photography and to measure a distance to a dark subject. Window 12 for AF auxiliary lamp that enables
Is provided. 13 is a remote control light receiving window, 14
Is an automatic exposure element for measuring the brightness of the subject. A flash light emitting unit 25 is fixed to the slide cover 2.
The flash light emitting unit 25 moves integrally with the slide cover 2 as the slide cover 2 opens and closes.

The flash light emitting section 25 is provided at the right end of the slide cover 2 in order to prevent red-eye during flash photography. In other words, when the flash light emitting unit 25 is provided on the slide cover 2, the distance between the flash light emitting unit 25 and the lens barrel 4 increases when the slide cover 2 is opened as shown in FIG. The red-eye prevention effect when shooting is further improved.

When the slide cover 2 is moved in the closing direction, the power switch is turned off, and a stopper (not shown) is operated until the lens barrel 4 is completely retracted, thereby restricting the movement of the slide cover 2. When the slide cover 2 is closed to the camera non-use position as shown in FIG.
The lens barrel 4 and the battery chamber lid 7 provided on the camera body 3 are covered with the slide cover 2 except for the cartridge chamber lid 8, the operation knob 9 and the suspension ring 17 provided on the camera body 3.

FIGS. 3A and 3B are views showing a state where the cartridge chamber lid 8 is opened when the slide cover 2 is at the camera non-use position. FIG. 3A is a front view of the camera, and FIG.
(C) is a diagram showing the camera bottom surface. The cartridge chamber lid 8 can be opened and closed about the shaft 81 as shown in the broken section in FIG. 3A, and when the lock of the cartridge chamber lid 8 is released by operating the lid opening / closing knob 9 as shown in FIG. The cartridge chamber lid 8 opens.

Next, the mechanism for opening and closing the cartridge chamber lid 8 will be described in detail. FIG. 4 is a diagram for explaining the opening / closing mechanism, and is a cross-sectional view seen from the left side of the camera (the left side as viewed from the subject side). FIG. 5 is a cross-sectional view taken along the line CC ′ of FIG. 4 and 5, a hollow boss-shaped shaft portion 51a protrudes from the camera body frame 51.
An operation knob 9 (shown by a dashed line), a return lever 40, and a connection gear 41 are fitted into the operation knob 9, and these are provided rotatably about the axis J1. The connecting gear 41 has teeth 41
a and 41b are formed, and the teeth 41a are meshed with the teeth 42a of the key lever 42 that rotates about the axis J3.
Is meshed with the teeth 43b of the closing lever 43 that rotates about the axis J2. The closing lever 43 is biased by a spring 44 to rotate counterclockwise about the axis J2. As shown in FIG. 5, the operation knob 9 is formed with a convex portion 9a. The convex portion 9a engages with the hole 40a of the return lever 40, and is inserted into the arc-shaped long hole 41c of the connecting gear 41. ing.

FIG. 4 shows a state in which the cartridge chamber lid 8 is in a closed state, in which the claw portion 42c of the key lever 42 and the claw 45 of the cartridge chamber lid 8 are engaged to engage the cartridge chamber lid 8 in the closed state. Has been stopped. On the other hand, FIG. 6 shows a case where the cartridge chamber lid 8 is in the open state, and the claw 4 of the key lever 42 is shown.
2c and the claw 45 are disengaged, and the claw portion 42b of the key lever 42 and the claw 46b of the latch lever 46 that rotates about the axis J4 are engaged. Lock as shown. Reference numeral 47 denotes a tension spring, one end of which is hooked on a spring hook 40 b of the return lever 40, and the other end of which is hooked on a spring hook 46 a of the latch lever 46.

In FIG. 5, reference numeral 50 denotes a hollow boss-shaped shaft portion 5.
A substantially cylindrical suspension ring shaft for attaching the suspension ring 17 to 1a. A camera body frame 51 is provided on the hollow boss-shaped shaft portion 51a.
A metal mounting seat 52 is fitted from the inside. A female screw is formed in the hole 52a of the mounting seat 52, and the suspension ring shaft 5
The stepped screw 53 is screwed into the mounting seat 52 by penetrating the stepped screw 53 from the inner peripheral side of 0. Thereby, the suspension ring shaft 50 is rotatably attached to the camera body frame 51. At this time, the connecting gear 41 and the return lever 4 are attached to the shaft portion 51a.
0 and the operation knob 9 are inserted in this order in advance, and the suspension ring shaft 50 is attached so as to sandwich the same with the side surface of the camera body frame 51.

As described above, the suspension ring shaft 50 can freely rotate about the axis J1. Further, since the mounting seat 52 has a large seating surface 52b, the suspension ring 17 is provided.
Can be improved in mounting strength (strength against pulling).
After fastening the screw 53, the head of the suspension ring shaft 50 is
7 is attached. Reference numeral 54 denotes a body that covers the camera body frame 51, and the outer surface of the body 54 is a metal cover 5
5, covered by grip rubber 56 and the like. These will be described later.

Next, the opening and closing operation of the cartridge chamber lid 8 will be described. FIG. 4 with the cartridge chamber lid 8 closed
When the operation knob 9 is rotated counterclockwise (counterclockwise) from the state shown in FIG. 7, the protrusion 9a of the operation knob 9 is engaged with the hole 40a of the return lever 40 and the rotation of the long hole 41c of the connection gear 41 is performed. Since the projection 9a is in contact with the end face in the direction, the return lever 40 and the connection gear 41 are rotated counterclockwise. When the return lever 40 is rotated counterclockwise, the spring 47 expands, and the spring 47 extends the latch lever 46.
Is biased to rotate counterclockwise. On the other hand, when the connecting gear 41 is rotated counterclockwise, the key lever 4
The closing lever 43 urged to rotate counterclockwise by the spring 2 and the spring 44 is rotated clockwise (clockwise).

FIG. 7 shows the closing lever 4 rotated clockwise.
A state in which the operation knob 9 is rotated until the stopper 3 contacts the stopper 60 is shown. When the key lever 42 is rotated clockwise, the engagement between the claw 45 of the cartridge chamber lid 8 and the claw portion 42c of the key lever 42 is released as shown in FIG. The biased latch 46 b of the latch lever 46 rotates to a position where it can be engaged with the latch 42 b of the key lever 42. The arrows shown in FIG. 4 indicate these rotation directions, and J1 to J4 indicate the respective rotation axes.

In the state shown in FIG. 7, since the spring 47 is in the extended state, the return lever 40 is urged to rotate clockwise and the latch lever 46 is urged to rotate counterclockwise. At this time, the latch lever 46 is
When the operation knob 9 is released, the return lever 40 is rotated clockwise by the spring 47 to return the operation knob 9 to the neutral position shown in FIG.

When the counterclockwise operation force applied to the operation knob 9 is released in the state shown in FIG. It is rotated clockwise until it comes into contact with the stopper 63, and at the same time, the hole 40 of the return lever 40 is
a of the connecting gear 41 is a long hole 41c.
Can be rotated from one end to the other end wall, so that the operation knob 9 is also rotated clockwise to the state as shown in FIG. On the other hand, the closing lever 43 is held by the spring 4 until the claw 42b of the key lever 42 interlocked with the closing lever 43 via the coupling gear 41 engages with the claw 46b of the latch lever 46.
4 rotates counterclockwise. as a result,
With the closing lever 43 slightly away from the stopper 60,
The key lever 42 is locked.

On the other hand, when the cartridge chamber lid 8 is closed, the cartridge chamber lid 8 shown in FIG. 6 is closed upward in the figure, and the lever portion 46c of the latch lever 46 is driven upward by the pawl 45 to move the latch lever 46 upward. 46 is a spring 47
Is rotated clockwise against the urging force (pulling force). The latch lever 46 is rotated clockwise to move the claw portion 46.
When b is disengaged from the claw portion 42b of the key lever 42, the closing lever 43 is rotated counterclockwise by the spring 44.
Then, the key lever 42 is rotated counterclockwise in conjunction with the rotation of the closing lever 43, and the claw portion 42c of the key lever 42 engages with the claw 45 of the cartridge chamber lid 8 to close the cartridge chamber lid 8. Locked in state.

In the embodiment described above, as shown in FIG. 5, the suspension ring shaft 50 and the mounting hole 9b of the operation knob 9 are connected to the shaft J1.
, The suspension ring 17 and the operation knob 9 can be arranged at the same position on the side of the camera having a small space. As a result, it is not necessary to form the respective mounting portions for the suspension ring shaft 50 and the operation knob 9 in the camera body frame 51, and only one hole 55a provided in the metal cover 55 is required, so that the cost can be reduced. Further, since the suspension ring 17 and the operation knob 9 are integrally attached to the camera body frame 51 by the screw 53 and the attachment seat 52, the number of parts can be reduced.

8 and 9 are views for explaining the cover structure of the fixed cover portion 31 of the camera 1, FIG. 8 is a front view, and FIG. 9 is an exploded perspective view. D in FIG. 8 shows a broken portion.
A locking plate 55b is attached inside the metal cover 55, and the metal cover 55 is attached to the body 5 as shown by an arrow in FIG.
5, the projection 54 a formed on the body 54 engages with the hole 55 c of the locking plate 55 b as shown in FIG. 5, and the metal cover 55 is fixed to the body 54. After fixing the metal cover 55 to the body 54, the grip rubber 56 is fixed to the body 54 as shown in FIG. As a result, the locking plate 55b and the projection 54a are covered with the grip rubber 56 and do not appear in the appearance, so that the appearance is not spoiled. Further, the metal cover 55 can be fixed to the body 54 without using a screw or the like.

In the camera of this embodiment, the thickness of the camera is reduced by forming a hole 54b in the body 54 to avoid interference with an electronic component (CPU or the like) E constituting a control circuit. Since the hole 54b is covered with the grip rubber 56, the appearance is not impaired.

In the correspondence between the above-described embodiment and the elements of the claims, the suspension ring 17 and the suspension ring shaft 50 are connected to the strap connecting member, the operation knob 9 is connected to the operation member, and the mounting seat 52 and the screw 53 are connected to each other. The respective means are configured.

[0028]

As described above, according to the present invention,
Since the strap connecting member and the operation member are arranged coaxially on one surface of the camera, these members can be provided in a narrower space than before. In particular, according to the third aspect of the present invention, since the strap connecting member and the operating member are integrally attached to the camera by the same connecting means, the number of components required for the attachment can be reduced, and the cost can be reduced.

[Brief description of the drawings]

FIGS. 1A and 1B are diagrams showing an appearance when a camera is used, where FIG. 1A is a view of the camera 1 from above, FIG. 1B is a front view of the camera 1, and FIG. 1C is a bottom view of the camera 1 from below. FIG.

FIG. 2 is a diagram showing an appearance when a camera is not used, and FIG.
Is a top view, (b) is a front view, and (c) is a bottom view.

FIGS. 3A and 3B are diagrams illustrating replacement of a film cartridge. FIG. 3A is a front view, FIG. 3B is a left side view, and FIG. 3C is a bottom view.

FIG. 4 is a view for explaining an opening / closing mechanism of a cartridge chamber lid 8, and is a cross-sectional view as viewed from a left side of the camera.

FIG. 5 is a sectional view taken along line C-C ′ of FIG. 4;

FIG. 6 is a cross-sectional view illustrating an opening / closing mechanism when the cartridge chamber lid 8 is in an open state.

FIG. 7 is a cross-sectional view illustrating an opening / closing mechanism when the operation knob 9 is operated.

FIG. 8 is a diagram illustrating a cover structure of a fixed cover unit 31 of the camera 1.

FIG. 9 is an exploded perspective view of the fixed cover unit 31.

[Explanation of symbols]

 8 Cartridge Chamber Cover 9 Operation Knob 17 Suspension Ring 40 Return Lever 41 Connection Gear 42 Key Lever 43 Closing Lever 44, 47 Spring 45 Claw 46 Latch Lever 50 Suspension Ring Shaft 51 Camera Body Frame 55 Metal Cover

Claims (3)

[Claims] 1. A camera body comprising: a strap connecting member connectable to a camera strap; and an operating member for opening a film cartridge chamber cover, wherein the strap connecting member and the operating member are coaxially mounted on a camera body. A camera characterized by being arranged on one surface. 2. The camera according to claim 1, wherein the operation member is a rotation operation member that rotates coaxially with the strap connection member, and the opening and closing operation of the film cartridge chamber lid is performed by rotation of the operation member. A camera for driving a mechanism for performing the operation. 3. The camera according to claim 2, further comprising coupling means for integrally attaching the operation member and the strap connecting member to the camera.