JP7059143B2 - Accessories and imaging devices - Google Patents

Description

The present invention relates to an accessory that can be attached to and detached from an image pickup device.

Conventionally, as an interchangeable lens camera, a mirrorless camera that has been miniaturized by removing a reflection mirror for guiding incident light through a photographing lens to an optical finder and parts related to the optical finder has been known. Further, with the miniaturization of mirrorless cameras, auxiliary grips for maintaining and improving the holdability of mirrorless cameras are required. For example, Patent Document 1 discloses a camera device to which a slightly larger auxiliary grip can be attached to and detached from a camera body provided with an auxiliary grip.

JP-A-2002-328424

The configuration disclosed in Patent Document 1 is insufficient to solve problems such as the remainder of the little finger and ring finger of the user. It is also assumed that there is a desire to replace media such as batteries and memory cards stored in the camera body with the auxiliary grip attached.

Therefore, the housing and the lid member are split so that a part of the lid member covers a part of the back surface of the hold portion on the back side facing the hold portion of the auxiliary grip on which a part of the hand holding the camera body is hung. A configuration in which a line is provided is conceivable. By providing such a dividing line, it is possible to secure a space for a finger to enter inside the auxiliary grip when the lid member is opened, and to improve operability such as ease of taking out the battery and media. However, if a dividing line is provided in the hold portion, when the hold portion is gripped, the clearance between the housing and the lid member causes rattling or the like, and the holdability is impaired.

Therefore, an object of the present invention is to provide an accessory and an image pickup apparatus capable of maintaining or improving holdability without impairing operability.

The accessory as one aspect of the present invention is an accessory that can be attached to and detached from the camera body, and includes a housing, a lid member that can operate between an open position and a closed position with respect to the housing, and the camera body. The accessory is attached to the camera body and has a holding portion on which a part of the hand holding the camera body is hung. When the lid member is in the open position, the accessory is attached to the camera body. When at least one of the battery or the media housed inside the camera body can be inserted and removed and the lid member is in the closed position, the battery or the media can be used with the accessory attached to the camera body. At least one of them cannot be inserted and removed, and at least a part of the hold portion is provided with a split wire formed by the housing and the lid member, and the clearance of the split wire is the split wire. The clearance has a first clearance and a second clearance having a size different from that of the first clearance.

The imaging device as another aspect of the present invention includes a camera body and the accessory.

Other objects and features of the present invention will be described in the following embodiments.

INDUSTRIAL APPLICABILITY According to the present invention, it is possible to provide an accessory and an image pickup apparatus capable of maintaining or improving holdability without impairing operability.

It is an exploded perspective view of the extension grip in this embodiment. It is a front perspective view, the rear perspective view, and the bottom view of the extension grip in this embodiment. It is a front perspective view and the rear perspective view of the camera body which attached the extension grip in this embodiment. It is a figure which shows the method of removing the lid member of a camera body in this embodiment. It is a front perspective view and the rear perspective view of a camera body and an extension grip in this embodiment. It is a figure which shows the state which the rotation lock part of the lid member in this embodiment is in a lock position. It is a figure which shows the state which pulled up the knob part of the lid member in this embodiment. It is a figure which shows the state of the lock release position of the rotation lock part of the lid member in this embodiment. It is a figure which shows the state which the cover member in this embodiment is in an open position. It is a figure which shows the rotation lock part and the arc convex part of the lid member in this embodiment. It is a side view of the camera body which attached the extension grip in this embodiment. It is explanatory drawing of the dividing line and clearance of a housing and a lid member in this embodiment. It is explanatory drawing of the clearance between a housing and a lid member in this embodiment. It is explanatory drawing of the dividing line and clearance of a housing and a lid member as a modification of this Embodiment. It is explanatory drawing of the clearance between a housing and a lid member as a modification of this Embodiment. It is explanatory drawing of the positional relationship between the 1st convex part and the 2nd convex part as a modification of this embodiment. It is explanatory drawing of the urging direction of the lid member by the opening spring in this embodiment.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

First, the configuration of the extension grip (accessory) in the present embodiment will be described with reference to FIGS. 1 to 3. FIG. 1 is an exploded perspective view of the extension grip 200 according to the present embodiment. 2 (a) to 2 (c) are a front perspective view, a rear perspective view, and a bottom view of the extension grip 200, respectively. 3A and 3B are front and rear perspective views of the camera body 100 (imaging device) to which the extension grip 200 is attached, respectively. In the present embodiment, the extension grip 200 includes a housing 201, a fastening member 202, a lid member 203, and other parts.

First, the housing 201 of the extension grip 200 will be described. A housing cover 210, a sheet metal component 211, a positioning pin 212, and rubber components 213 and 214 are attached to the housing 201. Sheet metal parts 211 are provided on the inner surface side of the housing 201 in order to increase the strength. The sheet metal component 211 is fastened together with the housing cover 210 from the + y direction by screws, and is sandwiched between the housing 201 and the housing cover 210. The positioning pin 212 is a component for determining the positional relationship between the extension grip 200 and the camera body 100 described later, and is sandwiched between the housing 201 and the housing cover 210.

The housing 201 and the housing cover 210 are manufactured by molding a resin such as polycarbonate. However, the present invention is not limited to this, and in order to improve the quality, the housing 201 and the housing cover 210 may be manufactured by cutting out aluminum or the like. On the other hand, the sheet metal parts 211 and the positioning pin 212 are manufactured by metal stamping or cutting such as SUS.

The rubber parts 213 and 214 are attached to a portion where a part of the gripped hand is hung by a double-sided tape (not shown) or the like when the user grips the camera body 100 to which the extension grip 200 is mounted. Since the rubber parts 213 and 214 have cushioning properties, the sensual holdability is improved.

In FIG. 3A, 101 is a hold portion of the camera body 100, 204 is a hold portion of the extension grip 200, and one of the gripped hands when the user grips the camera body 100 to which the extension grip 200 is attached. The part, mainly the place where the finger hangs. When the extension grip 200 is attached to the camera body 100, the hold portion 204 of the extension grip 200 is added in the −y direction of the hold portion 101 of the camera body 100, and the hold portion is extended in the −y direction.

Next, the fastening member 202 will be described. The fastening member 202 includes a first fastening portion 220, a second fastening portion 221, a fastening member base 222, and a cap component 223. The fastening member 202 is a component for attaching the extension grip 200 to the camera body 100. The first fastening portion 220 and the second fastening portion 221 are composed of one metal part, and in the metal part, the first fastening portion 220 which is a screw in the + y direction and a female screw in the −y direction. A second fastening portion 221 is provided.

As shown in FIG. 2C, a second fastening portion 221 serving as a female screw is provided at a substantially center position of the first fastening portion 220 in the −y direction of the fastening member 202. The tripod mount can be fixed by the second fastening portion 221 of the extension grip 200. With such a configuration, the first fastening portion 220 used for fastening the extension grip 200 and the camera body 100 and the second fastening portion 221 used for fastening the tripod mount and the extension grip 200 are fastened to each other. It can be realized only with 202, and the number of parts can be reduced.

A fastening member base 222 is formed by two-color molding or the like on the outer peripheral portion of the metal part provided with the first fastening portion 220 and the second fastening portion 221. The cap component 223 is fastened to the fastening member base 222 with screws from the + y direction. The cap part 223 is an appearance part for enhancing the design of the product, and is manufactured by metal alumite processing / painting, resin molding / painting, or the like. In this embodiment, the first fastening portion 220, the second fastening portion 221, the fastening member base 222, and the cap component 223 may all be integrally made of metal. In the present embodiment, the fastening member 202 can be operated from either the front or the back of the camera body 100.

Next, the lid member 203 will be described. The lid member 203 includes a lid member base 230, a lid member cover 231, a lid member rotation shaft (rotation shaft) 238, an opening spring 239, and a lid member lock portion 205. The lid member 203 is a component that can be rotated with respect to the housing 201. The lid member cover 231 has a pressing portion 232 for pressing the power detection member (not shown) of the camera body 100, and a locking portion for locking the battery holding member 106 for holding the battery 104 housed in the camera body 100. 233 is provided. In the present embodiment, the lid member base 230 and the lid member cover 231 are manufactured by resin molding such as polycarbonate.

In FIG. 2B, the split line 300 is a line at the split position where the housing 201 forming the exterior of the extension grip 200 and the lid member 203 meet, and is substantially opposed to the hold portion 204 of the extension grip 200. It is provided from the + z direction to the + x direction on the back side. The lid member lock portion 205 includes a rotation lock portion 234, a pedestal portion 235, a knob portion 236, and a shaft 237. The knob portion 236 is attached by inserting the shaft 237 between the shaft portion 235 and the pedestal portion 235, and can be rotated in the x-axis rotation direction.

The rotation lock portion 234 is fastened with screws from the + y direction so as to sandwich the lid member base 230 with the pedestal portion 235. The rotation lock portion 234 can be rotated at the lock position and the unlock position by operating the knob portion 236 attached to the pedestal portion 235 in the y-axis rotation direction. The rotation lock portion 234 is locked at the lock position by the locking hole 216 formed in the housing 201.

The lid member rotation shaft 238 is a component for attaching the lid member 203 to the housing 201. The opening spring 239 is sandwiched between the lid member base 230 and the lid member cover 231 in a state of being inserted around the lid member rotation shaft 238. When the rotation lock portion 234 is in the unlocked position, the lid member 203 can automatically rotate with respect to the housing 201 by the urging force of the opening spring 239. The details of the functions of these parts will be described later.

In the present embodiment, the rotation lock portion 234, the pedestal portion 235, and the knob portion 236 are manufactured by resin molding of polycarbonate, polyacetal, or the like. On the other hand, the lid member rotating shaft 238 is manufactured by metal stamping or cutting such as SUS.

The drip-proof member 240 is a cushioning material such as urethane foam, and is attached to the lid member base 230 with a double-sided tape (not shown) or the like. In the state where the lid member 203 is closed, the drip-proof member 240 is pressed and crushed between the housing 201 and the lid member base 230. As a result, it becomes a sealed state, and the drip-proof performance in the peripheral portion of the battery 104 housed in the camera body 100 can be improved.

Next, a method of attaching the extension grip 200 to the camera body 100 will be described with reference to FIGS. 4 and 5. FIG. 4 is a diagram showing a method of removing the lid member of the camera body 100. FIG. 4A shows a state in which the lid member (camera body lid member) 110 of the camera body 100 is in the open position. FIG. 4B shows a state in which the rotation shaft of the lid member 110 is retracted and the lid member 110 is removed. FIG. 4C shows a state in which the lid member 110 is removed from the camera body 100. 5 (a) and 5 (b) are a front perspective view and a rear perspective view of the extension grip 200 and the camera body 100, respectively.

When attaching the housing 201 of the extension grip 200 to the camera body 100, it is necessary to remove the lid member 110 of the camera body 100. As shown in FIG. 4A, the removal lever 111 of the lid member 110 is operated in the + z direction while the lid member 110 is in the open position. By this operation, the rotation shaft (not shown) of the lid member 110 is retracted (FIG. 4 (b)), and the lid member 110 can be removed (FIG. 4 (c)).

When the extension grip 200 is attached to the camera body 100, the positioning pin 212 is inserted into the positioning hole 112 of the extension grip 200. As a result, the positional relationship between the camera body 100 and the extension grip 200 is determined. The female screw 113 of the camera body 100 is a tightening screw provided on the tripod and a female screw for attaching the first fastening portion 220 of the extension grip 200.

In FIG. 5, the positioning pin 212 of the extension grip 200 is inserted into the positioning hole 112 from the lower surface side (-y direction) of the camera body 100, and the user rotates the fastening member 202 in the tightening direction to obtain the first fastening portion. The 220 and the female screw 113 are fastened.

Next, the rotation operation of the lid member 203 of the extension grip 200 will be described with reference to FIGS. 6 to 10. FIG. 6 is a diagram showing a state (locked state) in which the rotation lock portion 234 of the lid member 203 is in the locked position. 6 (a) is a bottom view of the camera body 100 to which the extension grip 200 is attached, FIG. 6 (b) is a sectional view taken along the line AA-AA in FIG. 6 (a), and FIG. 6 (c) is FIG. 6 (c). b) An enlarged view of the region BB in the middle is shown. FIG. 7 is a diagram showing a state in which the knob portion 236 is pulled up in order to rotate the rotation lock portion 234 of the lid member 203 to the unlocked position. 7 (a) is a side view of the camera body 100 to which the extension grip 200 is attached, and FIG. 7 (b) is a bottom view of FIG. 7 (a).

FIG. 8 is a diagram showing a state in which the rotation lock portion 234 of the lid member 203 is in the unlocked position. 8 (a) is a bottom view of the camera body 100 to which the extension grip 200 is attached, FIG. 8 (b) is a sectional view of CC-CC of FIG. 8 (a), and FIG. 8 (c) is FIG. 8 (b). ) Are enlarged views of the region DD in the middle. FIG. 9A is a diagram showing a state in which the lid member 203 is in the open position. 9 (b) is a diagram showing a state in which the battery 104 and the media 105 are released in order to take out the battery 104 and the media 105 in FIG. 9 (a). FIG. 10 is a bottom view and a side view of the lid member cover 231 and the lid member lock portion 205.

In FIG. 6, the rotation lock portion 234 is in the lock position and is locked by the locking hole 216 formed in the housing 201. The knob portion 236 rotates about the axis of the shaft 237 between the closed position (FIG. 6 (a)) and the open position (FIG. 7 (b)) (x-axis rotation direction of FIGS. 6 and 7). Operation) is possible. As shown in FIG. 7 (b), in a state where the knob portion 236 is in the open position, by rotating the knob portion 236 in the R direction in FIG. 7 (b), the rotation fastened to the pedestal portion 235 is performed. The lock portion 234 rotates. As a result, as shown in FIG. 8C, the rotation lock portion 234 is retracted from the locking hole 216 and is in the unlocked position.

FIG. 9A shows a state in which the lid member 203 automatically rotates by the urging force of the opening spring 239 after the rotation lock portion 234 is in the unlocked position, and is in the open position. .. With the lid member 203 in the open position, the battery 104 and the media 105 housed in the camera body 100 can be accessed and inserted / removed. The battery 104 is held by the battery holding member 106, and can be taken out from the camera body 100 by unlocking the battery holding member 106 in the z direction in FIG. 9A. The media 105 is held in a media slot (not shown), and by pushing the media 105 in the state of FIG. 9A, the lock is released and the media 105 can be taken out from the camera body 100. FIG. 9B shows a state in which the battery 104 and the media 105 are unlocked. As described above, the dividing line 300 is a line where the housing 201 and the lid member 203 meet. By providing the dividing line 300 as shown in FIGS. 9A and 9B, the user's finger can easily access the battery 104 and the media 105, and the insertion / removal operability is improved.

In FIG. 10, the lid member base 230 is not shown, and an arc convex portion 250 is provided on the lower surface (−y direction) of the lid member cover 231. FIG. 10A shows a state in which the rotation lock portion 234 is in the locked position (a state in which the lid member 203 is in the closed position). FIG. 10B shows a state in which the rotation lock portion 234 is in the unlocked position (a state in which the lid member 203 is in the open position).

The arc convex portion 250 is configured so that the rotation lock portion 234 gradually increases according to the amount of rotation from the lock position (FIG. 10 (a)) to the unlock position (FIG. 10 (b)). There is. When the rotation lock portion 234 reaches the unlock position, the arc convex portion 250 has a height ΔH. With such a configuration, the arc convex portion 250 generates a frictional force between the housing cover 210 and the rotation lock portion 234, and carelessly rotates the rotation lock portion 234 in a state where the lid member 203 is in the open position. Prevents rotation.

Next, with reference to FIGS. 11 to 13, a configuration for suppressing rattling of the lid member 203 in the z direction will be described. FIG. 11 is a side view of the camera body 100 to which the extension grip 200 is attached. 12A and 12B are configuration views of the extension grip 200, FIG. 12A shows a bottom view and an enlarged view of a main part of the extension grip 200, and FIG. 12B shows a rear view. FIG. 13 is an explanatory diagram of a clearance (gap) between the housing 201 and the lid member 203.

In FIG. 11, when the user grips the camera body 100 to which the extension grip 200 is attached, a finger is placed on the hold portion 101 of the camera body 100 and the hold portion 204 of the extension grip 200, and the palm is moved from the + z direction to the −z direction. It is supposed to be squeezed toward. In this case, as described above, since the extension grip 200 is provided with the dividing line 300 in consideration of the ease of taking out the battery 104 and the media 105, the extension grip 200 is provided with the dividing line 300 in the z direction between the housing 201 and the lid member 203. If there is a large amount of rattling, the holdability will be impaired.

In FIGS. 12A and 12B, 300a is a back surface dividing line and 300b is a bottom surface dividing line. The back split line 300a and the bottom split line 300b are part of the split line 300, the back split line 300a is the split line visible from the back of the extension grip 200, and the bottom split line 300b is the split line visible from the bottom of the extension grip 200. be. An enlarged view of the area EE in the left figure in FIG. 12 (a) is shown in the upper right figure. Further, an enlarged view of the region FF in the left figure in FIG. 12A is shown in the lower right figure. The enlarged view of the regions EE and FF shows the bottom surface dividing line 300b. The bottom dividing line 300b is provided with a first clearance 260 and a second clearance 261. The first clearance 260 is formed by the first convex portion 270 or the second convex portion 271 provided on the lid member 203 and the flat surface of the housing 201 facing the first convex portion 270 or the second convex portion 271. The second clearance 261 is formed by the flat surface of the lid member 203 and the flat surface of the housing 201 facing the flat surface.

In FIG. 13, 201a is an XY plane forming the bottom surface dividing line 300b of the housing 201 in the region EE, and 201b is an XY plane forming the bottom surface dividing line 300b of the housing 201 in the region FF. 203a is an XY plane forming the bottom surface dividing line 300b of the lid member 203 in the region EE, and 203b is an XY plane forming the bottom surface dividing line 300b of the lid member 203 in the region FF.

As shown in FIG. 13, the first clearance 260 and the second clearance 261 have different clearance amounts, and the first clearance 260 is smaller than the second clearance 261. Therefore, when the user grips the camera body 100 to which the extension grip 200 is attached, the first convex portion 270 forming the smaller first clearance 260 and the flat surface 201a of the housing 201 first hit each other. Therefore, the rattling in the z direction is small. The first convex portion 270 is arranged closer to the tip end side of the hold portion 204 of the extension grip 200 on the bottom surface dividing line 300b (a position closer to the tip end portion of the hold portion 204 than the lid member rotation shaft 238). The second convex portion 271 is closer to the lid member rotation shaft 238 for rotating the lid member 203 of the hold portion 204 of the extension grip 200 on the bottom split line 300b (the lid member rotates more than the tip portion of the hold portion 204). It is located near the shaft 238).

As described above, by providing the first convex portion 270 and the second convex portion 271, the lid is stably covered regardless of the habit or variation when the user grips the camera body 100 to which the extension grip 200 is attached. It is possible to suppress the rattling of the member 203 in the z direction. Therefore, the user can grip the camera body 100 to which the extension grip 200 is attached without feeling uncomfortable.

On the other hand, since most of the bottom surface dividing line 300b forms the second clearance 261, it is possible to prevent the housing 201 and the lid member 203 from inadvertently contacting each other when the lid member 203 is rotated. ing. Therefore, when the user opens and closes the lid member 203 of the extension grip 200 in order to take out the battery 104 and the media 105, a comfortable operation without being caught is possible.

In the present embodiment, two convex portions of the first convex portion 270 and the second convex portion 271 are provided on the bottom surface dividing line 300b, but the present invention is not limited thereto. Three or more convex portions may be provided on the bottom surface dividing line 300b. When the bottom dividing line 300b of the housing 201 and the lid member 203 extends more widely in the x direction, it is possible to more effectively suppress rattling in the z direction by providing two or more convex portions. .. Further, in the present embodiment, the first convex portion 270 and the second convex portion 271 are provided on the lid member 203, respectively, but the present invention is not limited thereto. At least one of the plurality of protrusions may be provided in the housing 201.

Next, with reference to FIGS. 14 to 16, the configuration of the extension grip 200a as a modification of the present embodiment will be described. The extension grip 200a has a configuration for suppressing extreme scraping of the convex portion for suppressing rattling of the lid member 203 in the z direction. FIG. 14 is a bottom view of the extension grip 200a. An enlarged view of the region GG in the left figure in FIG. 14 (a) is shown in the upper right figure. Further, an enlarged view of the region HH in the left figure in FIG. 14A is shown in the lower right figure. FIG. 15 is an explanatory diagram of the clearance between the housing 201 and the lid member 203. FIG. 15A shows an explanatory diagram of the clearance Δα262 and the second clearance 261 in the region GG, and FIG. 15B shows an explanatory diagram of the clearance Δβ263 and the second clearance 261 in the region HH, respectively. FIG. 16 is an explanatory diagram of the positional relationship between the first convex portion 270 and the second convex portion 271 when the lid member 203 transitions from the open position to the closed position. 16 (a) shows a front view of the camera body 100 to which the extension grip 200a is attached, and FIG. 16 (b) shows an enlarged view of the region JJ in FIG. 16 (a).

As shown in FIGS. 15A and 15B, the bottom surface dividing line 300b is provided with a second clearance 261 and a clearance Δα262, and a clearance Δβ263. The clearance Δα262 or the clearance Δβ263 is formed by a first convex portion 270 or a second convex portion 271 provided on the lid member 203 and a flat surface of the housing 201 facing the first convex portion 270 or the second convex portion 271. The second clearance 261 is formed by a flat surface of the lid member 203 and a flat surface of the housing 201 facing the flat surface.

In FIGS. 15A and 15B, 201c is an XY plane forming the bottom surface dividing line 300b of the housing 201 in the region GG, and 201d is an XY plane forming the bottom surface dividing line 300b of the housing 201 in the region HH. .. 203c is an XY plane forming the bottom surface dividing line 300b of the lid member 203 in the region GG, and 203d is an XY plane forming the bottom surface dividing line 300b of the lid member 203 in the region HH.

As shown in FIGS. 15 (a) and 15 (b), the clearance Δα262 and the clearance Δβ263 are each smaller than the second clearance 261. Therefore, when the user grips the housing 201, the first convex portion 270 or the second convex portion 271 forming the smaller clearance Δα262 or the clearance Δβ263 and the plane 201c or the plane 201d of the housing 201 first hit each other. , The rattling in the z direction is small.

On the other hand, since most of the bottom surface dividing line 300b forms the second clearance 261, it is possible to prevent the housing 201 and the lid member 203 from inadvertently contacting each other when the lid member 203 is rotated. ing. Further, as shown in FIGS. 15A and 15B, the clearance Δα262 is smaller than the clearance Δβ263 (Δα <Δβ).

FIG. 16B shows a state in which the lid member 203 operates in the rotation direction R and transitions from the open position to the closed position. When the lid member 203 operates in the rotation direction R, assuming that the clearance Δα262 and the clearance Δβ263 are the same, the second convex portion 271 contacts the housing 201 before the first convex portion 270. do. Therefore, when the user performs the rotation operation many times, it is expected that the second convex portion 271 starts to be scraped before the first convex portion 270.

On the other hand, in this modification, since the clearance Δα262 is set to be smaller than the clearance Δβ263, the first convex portion 270 starts to be scraped before the second convex portion 271. With such a configuration, it is possible to prevent the second convex portion 271 from being extremely scraped by repeating the rotation operation of the lid member 203 in order for the user to take out the battery 104 and the media 105.

Next, with reference to FIG. 17, the urging direction of the lid member 203 will be described. FIG. 17 is an explanatory view of the urging direction of the lid member 203 by the opening spring 239. FIG. 17A shows a configuration diagram in a state where the lid member 203 of the extension grip 200 is in the open position, and FIG. 17B shows an enlarged view of the region KK in FIG. 17A. As described above, if the housing 201 and the lid member 203 have a large amount of play in the z direction, the holdability is impaired. Therefore, it is preferable that the cover member 203 is loose. In FIG. 17, the lid member cover 231 is not shown. In FIG. 17B, the fixed end of the open spring 239 is provided on the housing 201, and the movable end of the open spring 239 is provided on the lid member base 230.

The opening spring 239 is assembled so as to pass through the lid member rotation shaft 238, and in the assembled state, the lid member 203 is urged in the −z direction in FIG. 17 (b). As described above, when the lid member 203 is in the closed position, the camera body 100 to which the extension grip 200 is attached is gripped, and the rattling in the z direction when the palm is gripped from the + z direction to the −z direction is eliminated. It can be suppressed. Therefore, the user can grip the camera body 100 to which the extension grip 200 is attached without feeling uncomfortable.

As described above, in the present embodiment, the accessory is an extension grip 200 that can be attached to and detached from the camera body 100, and has a housing 201, a lid member 203, and a hold portion 204. The lid member can operate between the open position and the closed position with respect to the housing. A part of the hand holding the camera body is hung on the hold part with the accessory attached to the camera body. When the lid member is in the open position, at least one of the batteries or media stored inside the camera body can be inserted and removed with the accessory attached to the camera body. On the other hand, when the lid member is in the closed position, it is impossible to insert or remove at least one of the battery or the media with the accessory attached to the camera body. At least a part of the hold portion is provided with a dividing line 300 formed of a housing and a lid member. The clearance of the secant has a first clearance 260 and a second clearance 261 that is different in size from the first clearance.

Preferably, the second clearance is larger than the first clearance. Further, preferably, the first clearance includes a convex portion (270, 271) provided on one of the housing and the lid member, and the other flat surface (201a, 201b) of the housing and the lid member facing the convex portion. Is formed by. The second clearance is formed by a flat surface of the housing and a flat surface of the lid member facing the flat surface of the housing. Also preferably, the convex portion forming the first clearance includes the first convex portion 270 and the second convex portion 271 within the range of the dividing line. Also preferably, the convex portion forming the first clearance includes at least two or more convex portions within the range of the dividing line. More preferably, the accessory has a rotation shaft (cover member rotation shaft 238) for rotating the lid member. The first convex portion is provided at a position closer to the tip end portion of the hold portion than the rotation shaft. The second convex portion is provided at a position closer to the rotation axis than the tip portion of the hold portion. More preferably, the accessory has an open spring 239 provided to penetrate the axis of rotation. The lid member is urged toward the tip of the hold portion by the urging force of the opening spring.

Preferably, the clearance Δα262 and the clearance Δβ263 have different sizes from each other. More preferably, the clearance Δα262 is smaller than the clearance Δβ263. Further, preferably, the lid member is arranged in at least one insertion / removal direction (including a substantially insertion / removal direction) of the battery or media inserted in the camera body in the closed position, which impairs operability according to the present embodiment. It is possible to provide accessories (extended grips) and imaging devices that can maintain or improve holdability without any need.

Although the preferred embodiments of the present invention have been described above, the present invention is not limited to these embodiments, and various modifications and modifications can be made within the scope of the gist thereof.

100 Camera body 200 Extension grip (accessory)
201 Housing 203 Cover member 204 Hold part 260 First clearance 261 Second clearance 300 Secant line

Claims (12)

It is an accessory that can be attached to and detached from the camera body.
With the housing
A lid member that can operate between the open position and the closed position with respect to the housing,
With the accessory attached to the camera body, it has a hold portion on which a part of the hand holding the camera body is hung.
When the lid member is in the open position, at least one of the batteries or media housed inside the camera body can be inserted / removed with the accessory attached to the camera body.
When the lid member is in the closed position, it is impossible to insert or remove at least one of the battery or the media with the accessory attached to the camera body.
At least a part of the hold portion is provided with a dividing line formed by the housing and the lid member.
An accessory characterized in that the clearance of the dividing line has a first clearance and a second clearance having a size different from that of the first clearance. The accessory according to claim 1, wherein the second clearance is larger than the first clearance. The first clearance is formed by a convex portion provided on one of the housing and the lid member, and a flat surface of the other of the housing and the lid member facing the convex portion.
The accessory according to claim 1 or 2, wherein the second clearance is formed by a flat surface of the housing and a flat surface of the lid member facing the flat surface of the housing. The accessory according to claim 3, wherein the convex portion forming the first clearance includes a first convex portion and a second convex portion within the range of the dividing line. The accessory according to claim 3, wherein the convex portion forming the first clearance includes at least two or more convex portions within the range of the dividing line. Further having a rotation shaft for rotating the lid member,
The first convex portion is provided at a position closer to the tip end portion of the hold portion than the rotation shaft.
The accessory according to any one of claims 3 to 5, wherein the second convex portion is provided at a position closer to the rotation axis than the tip portion of the hold portion. Further having an opening spring provided so as to penetrate the rotating shaft,
The accessory according to claim 6, wherein the lid member is urged toward the tip end portion of the hold portion by the urging force of the opening spring. Of the first clearance, the clearance formed by the first convex portion and the plane facing the first convex portion, and the plane facing the second convex portion and the second convex portion. The accessory according to any one of claims 4 to 7, wherein the clearances formed by and have different sizes from each other. The clearance formed by the first convex portion and the plane facing the first convex portion is formed by the second convex portion and the plane facing the second convex portion. The accessory according to claim 8, wherein the accessory is smaller than the clearance. The one according to any one of claims 1 to 9, wherein the lid member is arranged in the closed position in the insertion / removal direction of at least one of the battery or the media to be inserted into the camera body. Accessories. The accessory according to any one of claims 1 to 10, wherein the accessory is an extension grip. With the camera body
An image pickup apparatus comprising the accessory according to any one of claims 1 to 11.

Images