DE102019006944A1 - Backpack type device - Google Patents

Abstract

A backpack type device may include a body, a shoulder strap configured to be placed over a user's shoulder, and a waist strap configured to be placed around a user's waist. The waist belt may be configured to switch between a state in which a lower end of the waist belt is under a lower surface of the main part and a state in which the lower end of the waist belt is above the lower surface of the main part . The backpack type device may be configured to be arranged on a horizontal plane with the lower surface of the main part in contact with the horizontal plane on which the backpack type device is arranged in the state in which the lower end of the waist belt is above the lower surface of the main part.

Description

TECHNICAL PART

The technique disclosed here relates to a backpack type device.

BACKGROUND

In the Japanese Patent Application Publication No. 2011-216304 describes a backpack type device provided with a main part, a shoulder strap to be put over a user's shoulder and a waist strap to be put around a user's waist. The waist belt is in a state that a lower end of the waist belt is disposed under a lower surface of the main part.

SUMMARY

If the lower surface of the main part in the technique according to the Japanese Patent Application Publication No. 2011-216304 is brought into contact with a horizontal plane to cause the main part to be arranged on the horizontal plane, the waist belt on the horizontal plane is a hindrance, and the main part cannot be stably arranged on the horizontal plane. Through the present description, a technique for a backpack type device is provided which is designed to be suitable for arranging a lower end of a waist belt under a lower surface of a main part, the technique being designed to contact the lower one Surface of the main part with a horizontal plane and their arrangement on the horizontal plane allows.

A backpack type device disclosed herein may include a body, a shoulder strap configured to be placed over a user's shoulder, and a waist strap configured to be placed around a user's waist. The waist belt may be configured to switch between a state in which a lower end of the waist belt is under a lower surface of the main part and a state in which the lower end of the waist belt is above the lower surface of the main part . The backpack type device may be configured to be arranged on a horizontal plane with the lower surface of the main part in contact with the horizontal plane on which the backpack type device is arranged in the state in which the lower end of the waist belt is above the lower surface of the main part.

In the above configuration, when the user uses the backpack type device by carrying it on his back, a position of the waist belt can be adjusted to a position of the user's waist by bringing the waist belt to the state in which the lower end of the waist belt is arranged under the lower surface of the main part, and the load on a user's body can be reduced. Further, when the rucksack type device is arranged on the horizontal plane, the lower surface of the main part can be brought into contact with the horizontal plane so as to be arranged on the horizontal plane in the state that the lower end of the waist belt is over the lower surface the main part is arranged.

Figure list

• 1 Fig. 3 is a perspective view showing a power supply device 2nd of the backpack type according to an embodiment viewed from a lower right rear side.
• 2nd Fig. 3 is a perspective view showing a main body member 4th of the Power supply device 2nd of the backpack type according to the embodiment viewed from a right upper front.
• 3rd is a perspective view showing the main body member 4th the power supply device 2nd of the backpack type according to the embodiment viewed from the lower right rear side.
• 4th is a perspective view showing the main body member 4th the power supply device 2nd of the backpack type according to the embodiment viewed from the lower right rear side, with a cover 16 is in an open state.
• 5 is a perspective view showing the main body member 4th the power supply device 2nd of the backpack type according to the embodiment viewed from the lower right rear with the cover open 16 and shows in a state where the battery packs 20a , 20b , 20c , 20d are decreased.
• 6 is a perspective view showing the main body member 4th the power supply device 2nd of the backpack type according to the embodiment shows viewed from a left upper front in a state where the cover 16 who have favourited Battery Packs 20a , 20b , 20c , 20d and an inner case 24th are decreased.
• 7 Fig. 4 is a sectional view of a cover holding mechanism 46 the power supply device 2nd the backpack type according to the embodiment.
• 8th Fig. 3 is a perspective view showing a cover bracket 47 in a released position in the main body member 4th the power supply device 2nd of the backpack type according to the embodiment viewed from a right upper rear side.
• 9 is a perspective view showing the cover bracket 47 in a holding position in the main body member 4th the power supply device 2nd of the backpack type according to the embodiment viewed from the upper right rear side.
• 10th is a perspective view showing a member carried on the back 6 the power supply device 2nd of the backpack type according to the embodiment viewed from the upper right rear side.
• 11 is a perspective view showing the element carried on the back 6 the power supply device 2nd of the backpack type according to the embodiment viewed from the upper right front.
• 12th is a perspective view of the shoulder straps 8a , 8b the power supply device 2nd of the backpack type according to the embodiment viewed from the upper right rear side.
• 13 is a perspective view showing a back plate 60 of the element carried on the back 6 the power supply device 2nd of the backpack type according to the embodiment viewed from the upper right front.
• 14 is a perspective view showing a support plate 62 of the element carried on the back 6 the power supply device 2nd of the backpack type according to the embodiment viewed from the upper right rear side.
• 15 is a sectional view of a locking mechanism 64 of the element carried on the back 6 the power supply device 2nd of the backpack type according to the embodiment in a state in which the locking mechanism 64 was turned down.
• 16 is a sectional view of the locking mechanism 64 of the element carried on the back 6 the power supply device 2nd of the backpack type according to the embodiment in a state in which the locking mechanism 64 was turned up.
• 17th Fig. 3 is a plan view showing the power supply device 2nd of the backpack type according to the embodiment shows viewed from a left side in a state in which the support plate 62 in relation to the back plate 60 is shifted down.
• 18th Fig. 3 is a plan view showing the power supply device 2nd of the backpack type according to the embodiment viewed from the left side in a state in which the support plate 62 in relation to the back plate 60 is shifted upwards.
• 19th is a perspective view, the straps 76a , 76b the shoulder straps 8a , 8b the power supply device 2nd of the backpack type according to the embodiment viewed from the upper left front.
• 20th is a perspective view of a cable holder 120 that is configured to be removable on each of the straps 76a , 76b the shoulder straps 8a , 8b the power supply device 2nd of the backpack type according to the embodiment.
• 21 is a perspective view of a cable holder 130 that is configured to be removable on each of the straps 76a , 76b the shoulder straps 8a , 8b the power supply device 2nd of the backpack type according to the embodiment.
• 22 is a perspective view of a cable holder 140 that is configured to be removable on each of the straps 76a , 76b the shoulder straps 8a , 8b the power supply device 2nd of the backpack type according to the embodiment.
• 23 is a plan view showing a main body member 4th a power supply device 2nd of the backpack type according to a variant viewed from a rear side in a state in which a holding bar 56 is pushed down.
• 24th is a sectional view of the main body member 4th the power supply device 2nd the backpack type according to the variant in a state in which the holding bar 56 pushed up and with a cover 16 has been brought into contact.
• 25th is a sectional view of a locking mechanism 64 an element carried on the back 6 a power supply device 2nd the backpack type according to a variant.
• 26 Fig. 10 is a plan view of a waist belt fastening portion 10th on an element carried on the back 6 a power supply device 2nd of the backpack type viewed from a front according to a variant.
• 27 Fig. 4 is a top view of the waist belt fastening section 10th on the element carried on the back 6 the power supply device 2nd of the backpack type viewed from the left side according to the variant.

PRECISE DESCRIPTION

Representative, non-limiting examples of the present disclosure will now be described in more detail with reference to the accompanying drawings. This detailed description is intended to provide those skilled in the art with further details on implementing aspects of the present teachings and is not intended to limit the scope of the present disclosure. In addition, each of the additional features and teachings disclosed below may be used individually or in conjunction with other features and teachings to provide improved backpack type devices and methods of use and manufacture thereof.

Furthermore, combinations of features and steps disclosed in the following detailed description in the broadest sense need not be necessary to practice the present disclosure and are instead only taught to describe representative examples of the present disclosure in particular. Furthermore, different features of the representative examples described above and below, as well as the various independent and dependent claims to provide additional useful embodiments of the present teachings, may be combined in a manner that is not specifically and explicitly enumerated.

All of the features disclosed in the description and / or the claims are to be understood as being disclosed separately and independently of one another, irrespective of the compilation of the features in the embodiments and / or the claims, for the purposes of the original written disclosure and for the purposes of narrowing the claimed subject matter . In addition, all ranges of values or details of groups of units for the purposes of the original written disclosure and for the purposes of narrowing down the claimed subject matter should disclose any possible intermediate value or any possible intermediate unit.

In one or more embodiments, a battery mounting device may include: a housing to which a battery pack is removably attached; and a cover that is attached to the housing to cover the battery pack and is configured to be opened and closed by rotation about an axis of rotation. A force in a direction in which the cover is closed can act on the cover in a state that the battery mounting device is arranged on a horizontal plane.

With the above configuration, since the force in the closing direction of the cover acts on the cover in the state where the battery mounting device is arranged on the horizontal plane, the cover can be securely kept closed. This can prevent the battery pack from getting wet even when water splashes on the battery mounting device.

In one or more embodiments, the battery mounting device may further include a seal configured to seal an edge of the cover when the cover is closed.

With the above configuration, even when water splashes on the battery mounting device, it can be surely prevented that the battery pack becomes wet.

In one or more embodiments, the battery mounting device may further include a biasing member configured to bias the cover in the closing direction of the cover. The force in the closing direction of the cover, which acts on the cover in the state in which the battery mounting device is arranged on the horizontal plane, can include a biasing force applied by the biasing element.

With the above configuration, the biasing member biases the cover in the closing direction of the cover even when the battery mounting device is not in a state located on a horizontal plane. Even in the case where water splashes on the battery mounting device while it is in the state where the battery mounting device is not arranged on a horizontal plane, the battery pack can be prevented from getting wet.

In one or more embodiments, the battery mounting device may further include a locking mechanism configured to maintain a state in which the cover is closed after the cover is closed.

With the above configuration, the closed state of the cover can be maintained even in a case where State in which the cover is closed unintentionally applies a force in an opening direction of the cover to the cover. A situation in which the battery pack becomes wet with water can surely be avoided.

In one or more embodiments, a battery mounting device may include: a housing to which a battery pack is removably attached; a cover attached to the housing to cover the battery pack and configured to be opened and closed by rotation about an axis of rotation; and a cover holding mechanism adapted to hold the cover in an open state. The cover holding mechanism may include a cover holder configured to move between a stop position in which the cover holder prevents rotation of the cover and a released position in which the cover holder rotates in response to operator action Cover not hindered.

With the above configuration, when the battery pack is installed or removed from the housing, the cover can be held in the open state by the cover holding mechanism, thereby eliminating the need for a user to hold the cover with one hand to open it hold. The work of attaching or removing the battery pack is easy to do.

In one or more embodiments, the cover retention mechanism may further include a first biasing member configured to bias the cover retention from the retention position to the released position.

With the above configuration, the cover holder can be returned from the holding position to the released position by the biasing force of the first biasing member after the work of attaching or removing the battery pack is completed.

In one or more embodiments, the battery mounting device may further include a second biasing member configured to bias the cover in the closing direction of the cover.

With the above configuration, the cover can be kept securely closed in a situation where the work of attaching or removing the battery pack is not performed.

In one or more embodiments, the battery mounting device may further include a current output configured to deliver power from the battery pack to another device. A shoulder strap configured to be placed over a user's shoulder may be configured to attach to the battery mounting device.

With the above configuration, a backpack-type power supply device for which the battery mounting device is used can be realized.

In one or more embodiments, the axis of rotation can extend along a longitudinal direction of the housing.

If the axis of rotation of the cover is perpendicular to the longitudinal direction of the housing, a front of the cover rotates on a large trajectory when the cover is opened and closed, which could easily obstruct a user's body or a surrounding object. By designing the axis of rotation to extend along the longitudinal direction of the housing as above, the front of the cover can be rotated on a small trajectory when the cover is opened and closed, and the occurrence of an obstruction of the user's body or the surrounding object can be prevented.

In one or more embodiments, the battery pack may be configured to be attachable to and detachable from the housing by sliding in a sliding direction with respect to the housing. The direction of displacement can be substantially parallel to a plane perpendicular to the axis of rotation.

With the above configuration, the cover does not interfere with opening the cover with respect to the case and when moving the battery pack with respect to the case in the sliding direction. The work of attaching or removing the battery pack is easy to do.

In one or more embodiments, the battery pack may include multiple battery packs, and the housing may be configured such that the battery packs are juxtaposed in the longitudinal direction of the housing.

In the above configuration, another battery pack (s) attached to the case interfere with the Do not move one of the battery packs in relation to the housing in the direction of movement. The work of attaching or removing the battery pack can be carried out more easily.

In one or more embodiments, a cable holder may include a strap attachment portion configured to be removably attached to a user-worn strap and a cable retention portion configured to detachably hold a cord. The tape attachment portion and the cable holding portion may be configured to be integrally formed.

In the above configuration, since the strap attachment portion is configured to be detachably attached to the strap, only the cable holder can be detached without the user having to detach the strap that he is wearing.

In one or more embodiments, the band attachment portion may include a recess and have a shape that surrounds a circumference of the band.

With the above configuration, the cable holder can be removed from or attached to the tape by removing or inserting the tape from or into the tape attachment portion via the recess.

In one or more embodiments, the strap attachment portion may have a cross-sectional shape that facilitates rolling. The cross-sectional shape that facilitates rolling may be a substantially circular shape, a substantially oval shape, a substantially square shape with rounded corners, and a polygonal shape whose corners form obtuse angles, such as a substantially hexagonal shape and an im Be essentially octagonal in shape.

With the above configuration, when an external force acts in a downward displacement direction of the cable holder on the cable holder attached to the tape, the cable holder is slid downward without resistance to the external force, which can prevent damage to the cable holder.

In one or more embodiments, the cable holding portion may have a shape that includes an opening. A width of the opening may be smaller than a cable diameter of the cable in a normal state, and may become larger than the cable diameter of the cable by an elastic deformation of the cable holding portion when the cable is attached or removed.

With the above configuration, the cable can be detached from or attached to the cable holder by removing or inserting the cable from or into the cable holding portion through the opening. Further, in the above configuration, the cable detaches from the cable holder when a large force is applied to the cable, for example, when a device connected to the cable falls and is thereby jerkily pulled on the cable, and the cable is carried by the user Tape separated. The safety of the user can be ensured by a design like the above.

In one or more embodiments, the strap may be provided on a shoulder strap of a backpack type power supply device. The cable can be a power cable that extends from the backpack type power supply device.

With the above configuration, the power cord that extends from the backpack-type power supply device runs from a user's back over a shoulder along a user's chest, and the power cord can be prevented from becoming loose and slack.

In one or more embodiments, a backpack-type device may include a body, a shoulder strap configured to be placed over a user's shoulder, and a waist strap configured to is that it is to be wrapped around a user's waist. The waist belt may be configured to switch between a state in which a lower end of the waist belt is under a lower surface of the main part and a state in which the lower end of the waist belt is above the lower surface of the main part . The backpack-type device can be configured to be arranged on a horizontal plane with the lower surface of the main part in the state in which the lower end of the waist belt is above the lower surface of the main part with the horizontal plane on which the backpack type device is placed.

In the above configuration, when the user uses the backpack type device by carrying it on his back, a position of the waist belt can be adjusted to a position of the user's waist by putting the waist belt in the state in which it is caused to that the lower end of the waist belt is located under the lower surface of the main part is, which can reduce stress on the user's body. Further, when the rucksack-type device is arranged on a horizontal plane, the lower surface of the main part can be brought into contact with the horizontal plane on which the rucksack-type device is arranged by setting the waist belt to the state in which it has been caused the lower end of the waist belt is located over the lower surface of the main part.

In one or more embodiments, the main part may include a main body portion and a back support portion to which the main body portion is removably attached and to which the shoulder strap and the waist strap are attached.

With the above configuration, use and maintenance of the main body member can be performed in a state that the main body member has been detached from the member carried on the back.

In one or more embodiments, the back support portion may include: a back plate to which an upper end of the shoulder strap is attached; a support plate to which the waist belt is attached and which is configured so that its position with respect to the back plate is changeable in an up and down direction, and a locking mechanism which is configured to be the position of the support plate with respect on the back plate in the up and down direction. The main body portion and / or the back plate can form the lower surface of the main part.

With the above configuration, by means of a relatively simple configuration, it is possible to switch between the state in which the lower end of the waist belt is arranged under the lower surface of the main part and the state in which the lower end of the waist belt is arranged over the lower surface of the main part is.

In one or more embodiments, the waist belt may be attached to the body so that it is rotatable about an axis of rotation that extends in a forward and backward direction with respect to the body. The axis of rotation may be spaced up and down in a direction from a center of the waist belt.

With the above configuration, the waist belt can be changed from the state in which the lower end of the waist belt is located under the lower surface of the main part to the state in which the lower end of the waist belt is arranged over the lower surface of the main part. The change between the state in which the lower end of the waist belt is arranged under the lower surface of the main part and the state in which the lower end of the waist belt is arranged above the lower surface of the main part can be carried out by means of a relatively simple configuration .

In one or more embodiments, the waist belt can be removably attached to the main part by means of a Velcro fastener.

With the above configuration, by setting a fastening position of the waist belt in the upward and downward direction with respect to the main part, the state in which the lower end of the waist belt is located under the lower surface of the main part and the state can be changed which the lower end of the waist belt is arranged over the lower surface of the main part. It is possible to switch between the state in which the lower end of the waist belt is arranged under the lower surface of the main part and the state in which the lower end of the waist belt is arranged over the lower surface of the main part in a relatively simple configuration.

(Embodiments)

One in 1 shown power supply device 2nd of the backpack type is configured to be used in a state in which a user carries it on the back, and is a backpack type power supply device configured to power different types of electrically operated devices. The power supply device 2nd of the backpack type includes a main body member 4th , an element carried on the back 6 , which is detachable on the main body element 4th attached shoulder straps 8a , 8b that on the element worn on the back 6 attached and configured to be placed over the user's shoulders and a waist belt 10th on the element worn on the back 6 attached and configured to wrap around the user's waist. The waist belt 10th has a removable pocket attached to it 12th to accommodate accessories (not shown). In the following description, a front and back direction, a right and left direction, and an up and down direction from the user's point of view when the user is standing while using the power supply device 2nd of the backpack type on the back, as the front and back direction, the right and left direction and the up and down direction of the power supply device 2nd of the backpack type. Furthermore, in the description below Main body element 4th and the element carried on the back 6 collectively as the main part 5 be designated.

As in 2nd shown, has the main body member 4th has a substantially rectangular shape, with its longitudinal direction being up and down and its short direction being forward and backward. The main body element 4th is provided with a coupling surface P, which is arranged at a front end and is oriented essentially at right angles to the front and back direction. The main body element 4th is on the coupling surface P on the element carried on the back 6 appropriate.

As in 3rd shown, the main body element 4th in a state in which it is from the element carried on the back 6 can be arranged on a horizontal plane by bringing the coupling surface P into contact with the horizontal plane like a bottom surface (not shown). The main body element 4th is with a frame 14 , a cover 16 and a handle 18th Mistake. The cover 16 is so on the frame 14 attached so that it is rotatable about an axis of rotation located near a left end of the frame 14 extends in the up and down direction. The handle 18th is removable near an upper end of the frame 14 appropriate. The user can wear the main body member 4th the handle 18th seize.

As in 4th shown are several accumulator packs 20a , 20b , 20c , 20d inside the main body element 4th housed. Each of the battery packs 20a , 20b , 20c , 20d includes a secondary battery cell such as a lithium ion battery cell (not shown) and is configured to be rechargeable using a charger (not shown). Each of the battery packs 20a , 20b , 20c , 20d has, for example, a nominal voltage of 18V and a nominal capacity of 6.0 Ah. The battery packs 20a , 20b , 20c , 20d are sliding battery packs that are configured to be attached or detached by sliding with respect to battery receptacles 22a , 22b , 22c , 22d (please refer 5 ) of the main body element 4th along a given direction of displacement are suitable. The direction of movement of the battery packs 20a , 20b , 20c , 20d runs for example along the right and left direction. If in this case the battery packs 20a , 20b , 20c , 20d The battery packs are to be attached 20a , 20b , 20c , 20d in terms of battery mounts 22a , 22b , 22c , 22d shifted to the left, and when the battery packs 20a , 20b , 20c , 20d The battery packs are to be removed 20a , 20b , 20c , 20d in terms of battery packs 22a , 22b , 22c , 22d shifted to the right. Because the axis of rotation of the cover 16 near the left end of the frame 14 is arranged is the cover 16 in an opened state of the cover 16 on the left rear of the battery holder 22a , 22b , 22c , 22d arranged. This hinders the open cover 16 the attachment or removal of the battery packs 20a , 20b , 20c , 20d Not.

As in 5 shown is the frame 14 with a box-shaped base section 14a , whose bottom surface runs along the coupling surface P and which is open to the rear, and a support section 14b provided in the form of a wall from a lower end of the base section 14a protrudes backwards. The base section 14a is with an inner case 24th provided, which has a shape by which the opening is covered. The battery mounts 22a , 22b , 22c , 22d are on a back surface of the inner case 24th intended. Furthermore, an operating section 26 and a display section 28 on a lower portion of a right side surface of the base portion 14a intended. The operating section 26 is configured to operate the user on the power supply device 2nd of the backpack type as an operation to turn the main power on or off. The display section 28 is configured to provide the user with a state of the power supply device 2nd information related to the backpack type, such as the remaining charges on the battery holder 22a , 22b , 22c , 22d attached battery packs 20a , 20b , 20c , 20d displays relevant information. In the following description, the frame 14 , the inner case 24th and the battery holder 22a , 22b , 22c , 22d collectively as a housing 15 be designated.

As in 6 shown are a control board 30th , a functional board 32 , a display board 34 and a noise filter 36 inside the base section 14a housed. The control board 30th is electrical to that on the battery mounts 22a , 22b , 22c , 22d attached battery packs 20a , 20b , 20c , 20d connected. The control board 30th is configured to match that of the battery packs 20a , 20b , 20c , 20d feed current to a desired output voltage and put it into a power cable 38 (please refer 2nd ) feeds. The control board 30th is, for example, by connecting a series connection of the battery packs in parallel 20a , 20b and a series connection of the battery packs 20c , 20d configured to take power with a nominal voltage of 36 V into the power cord 38 feeds. Alternatively, the control board 30th by connecting the battery packs in parallel 20a , 20b , 20c , 20d be configured so that they have current with the nominal voltage of 18 V in the power cable 38 feeds. The function board 32 and the display board 34 are on the control board 30th connected. The function board 32 is configured to be one by the user at the operating section 26 Executed actuation recorded and this to the control board 30th issues. The display board 34 is configured to follow instructions from the control board 30th an ad on the display section 28 executes. The noise filter 36 is configured so that there is an output overlay in the power cord 38 suppressed by a noise. As in 2nd shown, the power cord extends 38 from the vicinity of the lower end of the base section 14a down, is then to the right or to the left (in the example according to 2nd bent to the right) and from a right side surface or a left side surface (in the example according to 2nd the right side surface) of the base section 14a pulled out.

As in 5 shown is the cover 16 with a torsion spring 40 Mistake. The torsion spring 40 is configured to cover the 16 in terms of the frame 14 biased in a closing direction. It also acts in a state in which the main body member 4th is arranged on a horizontal plane, the coupling surface P being in contact with the horizontal plane which is on the cover 16 acting gravity as a force in the closing direction of the cover 16 on the cover 16 a. The base section 14a is on a section with the cover closed 16 with a scope of coverage 16 is in contact with a seal 42 Mistake. The seal 42 is for example a rubber sleeve. The cover 16 is with a pawl element 44 provided that the user can operate. In the state in which the cover 16 is closed, the pawl element is 44 with a pawl mount 14c of the base section 14a engaged the cover 16 to keep in the closed state. Instead of through the pawl element 44 and the pawl receiver 14c may be the condition in which the cover 16 is closed by either (not shown) on the cover 16 or the base section 14a provided permanent magnets and one (not shown) on the other component under the cover 16 and the base section 14a provided magnetic bodies are maintained.

Instead of through the torsion spring 40 can cover 16 in terms of the frame 14 can be biased in the closing direction by a tension spring (not shown), one end of which is on the cover 16 is rotatably supported and the other end of the frame 14 is rotatably held.

The support section 14b is with a cover holding mechanism 46 Mistake. As in 7 shown is the cover retention mechanism 46 at one in the support section 14b provided through hole 14d appropriate. The cover holding mechanism 46 is with one under the support section 14b arranged button 48 , one over the support section 14b arranged engagement element 50 , a screw 52 that in the through hole 14d is inserted and the button 48 and the engaging element 50 attached to each other, and a compression spring 54 provided the button 48 with respect to the support section 14b biased downwards. In the following description, the button 48 , the engaging element 50 and the screw 52 collectively as a cover holder 47 be designated.

As in 8th shown is the button 48 in a normal condition from the compression spring 54 of the cover holding mechanism 46 biased downward, causing the engaging element 50 is located at a position where there are the operations of opening and closing the cover 16 not hindered (and which may be referred to below as the released position). If the cover 16 is in the open state and the user also presses the button 48 of the cover holding mechanism 46 pushes upwards, the engaging element 50 arranged at a position where there are the operations of opening and closing the cover 16 handicapped (and which can be called the stopping position), as in 9 shown. The cover is in this state 16 even then with the engaging element 50 engaged when the force in the closing direction is applied to the cover 16 acts, causing the cover 16 can be kept in the open state even when the user's hands are off the cover 16 and the button 48 takes. From the in 9 shown state is the engagement of the cover 16 and the engaging element 50 solved when the user removed the cover 16 in a state where his hands hold the button 48 released to rotate them in the opening direction. In this case, the engaging element moves 50 , as in 8th shown by the biasing force of the compression spring 54 again in the released position, in which the operations of opening and closing the cover 16 not be hindered.

Instead of the cover holding mechanism 46 can one in the 23 and 24th holding rod shown 56 be provided. A lower end of the support bar 56 is on the inner case 24th attached that it is rotatable about an axis of rotation which runs along the direction to the right and left. As in 23 shown, the holding rod is located 56 in the normal state in a lying state, whereby the holding bar 56 the operations of opening and closing the cover 16 not disabled. If the user is also holding stick 56 in the state in which the cover 16 is open, pulls up, the holding rod 56 arranged at a position where it performs the operations of opening and closing the cover 16 hindered as in 24th shown. In this condition, the cover 16 even in the open state when the force in the closing direction is applied to the cover 16 acts as the cover 16 even with the holding stick 56 is in contact when the user removes his hands from the cover 16 and the holding stick 56 away.

As in the 10th and 11 shown is the element carried on the back 6 with a back plate 60 , a support plate 62 and a locking mechanism 64 Mistake. As in 10th shown is a rear surface of the back plate 60 with multiple engagement tabs 66a , 66b , 66c , 66d Mistake. The engagement tabs 66a , 66b , 66c , 66d stand from the back surface of the back plate 60 backwards and have a shape that is curved upwards. There are also pawls 68a , 68b that the user can operate on upper portions of the left and right side surfaces of the back plate 60 intended. As in 2nd shown, the coupling surface P of the frame 14 of the main body element 4th with multiple engagement grooves 70a , 70b , 70c , 70d provided, which are arranged at positions and have shapes that the engagement projections 66a , 66b , 66c , 66d correspond. There are also pawl recordings 71a , 71b that the pawls 68a , 68b correspond to upper portions of the left and right side surfaces of the frame 14 of the main body element 4th intended. If the main body element 4th on the element carried on the back 6 to be attached, the engagement projections occur 66a , 66b , 66c , 66d of the element carried on the back 6 with the engagement grooves 70a , 70b , 70c , 70d of the main body element 4th engaged and the pawls also enter 68a , 68b with the pawl receptacles 71a , 71b engaged to the main body member 4th on the element carried on the back 6 to fix.

As in 12th shown are the shoulder straps 8a , 8b with upholstery 72a , 72b that come into contact with the user's back, shoulders and chest; Intervention closing 74a , 74b , 74c , 74d that on rear surfaces on rear sections of the upholstery 72a , 72b are provided; Straps 76a , 76b that on front surfaces of front sections of the upholstery 72a , 72b are provided; Adjusting clasps 78a , 78b by the straps 76a , 76b being held; and adjusting tapes 80a , 80b provided, the upper ends of the adjustment clips 78a , 78b are attached. As in 11 shown includes the back plate 60 Access openings 82a , 82b , 82c , 82d with which the interventions close 74a , 74b , 74c , 74d the shoulder straps 8a , 8b are to be engaged. The support plate 62 includes belt attachment sections 84a , 84b on the lower ends of the adjustment tapes 80a , 80b the shoulder straps 8a , 8b are to be attached.

As in 13 shown includes the back plate 60 an elongated opening 86 going from a front surface to a back surface of the back plate 60 runs and the longitudinal direction of which runs in the upward and downward direction. Furthermore, the front surface of the back plate 60 with a leadership edge 88 , which extends in the upward and downward direction, and engaging receiving portions 90a , 90b provided the left and right of the lead tab 88 are arranged and have a sawtooth shape in the upward and downward direction. The rear surface also includes the back plate 60 , as in 10th shown on a circumference of the elongated opening 86 a guide groove 92 .

As in 14 shown includes the support plate 62 a through hole 94 extending from a front surface to a rear surface of the support plate 62 runs. Furthermore, the rear surface of the support plate 62 with a guide recess 96 provided, which extends in a position and in a shape in the up and down direction that of the guide protrusion 88 the back plate 60 correspond. Furthermore, the rear surface of the support plate 62 with engagement sections 98a , 98b provided in positions and in the shape that those of the engagement receiving portions 90a , 90b the back plate 60 correspond, have a sawtooth-like shape. In a state in which the support plate 62 on the back plate 60 attached, the engaging portions occur 98a , 98b with the engagement receiving sections 90a , 90b engaged.

As in 1 shown is the waist belt 10th with a cushion 73 that comes into contact with the user's waist, a receiving clasp 75 that are near a left end of the cushion 73 is provided, a tether 77 that is near a right end of the cushion 73 is provided, an adjusting clasp 79 by the tether 77 is held, an adjustment band 81 that of the adjusting clasp 79 is held, and an insert clasp 83 provided on the adjustment ribbon 81 is provided and configured to match the receiving clasp 75 engages. As in 11 are shown on the front surface of the support plate 62 Ledges 99a , 99b , 99c , 99d for fastening the upholstery 73 the waist belt 10th by means of screws 97a , 97b , 97c , 97d intended.

As in 15 shown is the locking mechanism 64 with a locking lever 100 , a hinge pin 102 , a holding pin 104 , a plate 106 and a mother 108 Mistake. As in 11 shown is the locking lever 100 further forward than the support plate 62 arranged. The locking lever 100 has a substantially flat plate shape. As in 15 shown, the locking lever 100 near its top end from the hinge pin 102 held. The locking lever 100 is configured so that it can be used with the hinge pin 102 as the axis of rotation. The area of the upper end of the locking lever 100 has a cam shape with a degree of protrusion of one of the support plates 62 facing surface changed according to an angle of rotation. The longitudinal direction of the hinge pin 102 runs along the right and left direction. The hinge pin 102 is from the holding pin 104 held rotatable. The holding pin 104 has a longitudinal direction along the front and rear direction and is arranged to pass through the through hole 94 the support plate 62 and the elongated opening 86 the back plate 60 runs. An externally threaded screw is at a rear end of the retaining pin 104 intended. As in 10th shown is the plate 106 further back than the back plate 60 arranged and in the guide groove 92 the back plate 60 housed. As in 15 shown includes the plate 106 a through hole 106a through which the retaining pin 104 runs. The mother 108 is on the rear end of the retaining pin 104 screwed.

As in 15 shown, exercises a portion of the locking lever 100 near its upper end in a state where the locking lever 100 is turned down, pressure on the support plate 62 out. In this condition, the support plate 62 and the back plate 60 with a strong force between the locking lever 100 and the plate 106 pressed together. Since in this case the engagement sections 98a , 98b the support plate 62 and the engagement receiving portions 90a , 90b the back plate 60 are firmly engaged with each other, is the support plate 62 on the back plate 60 fixed.

As in 16 shown, the section of the locking lever is removed 100 near its upper end in a state where the locking lever 100 is turned upwards from the support plate 62 , causing a condition of the support plate 62 and the back plate 60 between the locking lever 100 and the plate 106 be squeezed, released. In this case, the engagement of the engaging portions 98a , 98b the support plate 62 and the engagement receiving sections 90a , 90b the back plate 60 solved, and the support plate 62 can in terms of the back plate 60 in the up and down direction. If the support plate 62 in relation to the back plate 60 is shifted to a desired position, the engaging portions 98a , 98b with the engagement receiving sections 90a , 90b be engaged and the locking lever 100 is turned down again, the support plate 62 at this position on the back plate 60 be fixed.

As in 17th shown when using the power supply device 2nd of the backpack type by the user a position of the support plate 62 in relation to the back plate 60 in the up and down direction so that the waist belt 10th can be placed around the position of the waist while the shoulder straps 8a , 8b are placed over the shoulders. With the above configuration, the burden on the user's body can be reduced. The upholstery 72a , 72b the shoulder straps 8a , 8b and the upholstery 73 the waist belt 10th are each configured to have a large contact area with the user's body and a relatively high rigidity, so that a weight of the power supply device 2nd of the backpack type can be worn distributed on the body of the user.

If the user has the power supply device 2nd of the backpack type, the user may experience the power supply device 2nd of the backpack type on a horizontal plane so that a lower surface of the main body member 4th (the lower surface of the support section 14b of the frame 14 ) is in contact with the horizontal plane. As in 17th is shown in a state in which the support plate 62 under the back plate 60 is arranged, a lower end of the waist belt 10th under the lower surface of the main body member 4th arranged, whereby the power supply device 2nd of the backpack type cannot be parked stably on the horizontal level. With the power supply device 2nd of the backpack type according to the present embodiment, the support plate 62 , as in 18th shown in relation to the back plate 60 so that the lower end of the waist belt is moved 10th over the lower surface of the main body member 4th is arranged. This allows the power supply device 2nd of the backpack type are placed on the horizontal plane with the lower surface of the main body member 4th is in contact with the horizontal plane.

As in 25th shown, the locking mechanism 64 be configured to have a Belleville spring 107 includes that between the plate 106 and the mother 108 is arranged. At the in 25th shown configuration deforms the disc spring 107 when a large load acts on the support plate 62 and the back plate 60 elastic even in the state in which the locking lever 100 is turned down and the support plate 62 on the back plate 60 is fixed, thereby engaging the engaging portions 98a , 98b and the engagement receiving sections 90a , 90b is solved; and thereby the support plate 62 in relation to the back plate 60 be moved. This will damage the engaging portions 98a , 98b and the engagement receiving sections 90a , 90b when the large load acts on the support plate 62 and / or the back plate 60 prevented. At the in 25th configuration shown can instead of the plate spring 107 a plate spring or a spring washer between the plate 106 and the mother 108 be arranged.

An adjustment of the position of the waist belt 10th in the up and down direction can be realized by another mechanism. Like for example in 26 shown, the waist belt 10th in a state in which the support plate 62 always on the back plate 60 is attached via a pivot pin 103 rotatable on the support plate 62 to be appropriate. The pivot pin 103 is lower in the up and down direction than a center of the waist belt 10th arranged. The longitudinal direction of the pivot pin 103 runs along the direction back and forth, and the waist belt 10th is configured so that it is in relation to the support plate 62 is rotatable about an axis of rotation along the direction forwards and backwards. In the in 26 shown condition is the lower end of the waist belt 10th over the lower surfaces of the main body member 4th and the element carried on the back 6 arranged. If the waist belt 10th from this state in relation to the support plate 62 with the twist pin 103 as the axis of rotation is rotated 180 degrees, the lower end of the waist belt 10th under the lower surfaces of the main body member 4th and the element carried on the back 6 arranged. The position of the waist belt 10th in the up and down direction can be set by such a configuration.

Alternatively, the waist belt 10th , as in 27 shown, via a Velcro fastener 105 removable on the back plate 60 be attached without the support plate 62 is provided. In this case, the user can adjust the position of the waist belt 10th adjust in the up and down direction to a desired position and then the waist belt 10th on the back plate 60 attach. The position of the waist belt 10th can be adjusted up and down in such a configuration.

As in 19th shown are the straps 76a , 76b the shoulder straps 8a , 8b each on two sections, namely upper fastening sections 110a , 110b and lower mounting sections 112a , 112b , on the shoulder straps 8a , 8b attached. An in 20th shown cable holder 120 can be attached to any section of the straps 76a , 76b between the upper mounting sections 110a , 110b and the lower mounting sections 112a , 112b be attached. By attaching the cable holder 120 on the tether 76a (or the tether 76b) can the power cord 38 that is different from the main body element 4th extends from the cable holder 120 be held by running it over one shoulder when the power cord is 38 extend from the user's back and chest, ie when the power cord 38 for example along an outer surface of the cushion 72a (or the upholstery 72b) the shoulder strap 8a (or the shoulder strap 8b) should run.

As in 20th shown is the cable holder 120 with a strap attachment section 122 and a cable holding section 124 Mistake. The band attachment section 122 comprises: a first straight section 122a that extends straight in an X direction; a first section bent back 122b that gradually rises in a negative Z direction from one end of the first straight section 122a bends in a positive X direction and further gradually bends in a negative X direction; a second straight section 122c that is just in the negative X direction from the first bent back portion 122b extends; a second bent-back section 122d that gradually rises in the negative Z direction from one end of the first straight section 122a curves in the negative X direction and further gradually curves in the positive X direction, and a third straight portion 122e that is just in the positive X direction from the second bent portion 122d extends. The first straight section 122a , the first bent back section 122b , the second straight section 122c , the second bent back section 122d and the third straight section 122e each have essentially the cross-sectional shape of a square with rounded corners. The second straight section 122c and the third straight section 122e are collinear. A recess 122f through which the tether 76a (or the tether 76b) can be passed between a distal end of the second straight section 122c and a distal end of the third straight section 122e provided. In a state where the cable holder 120 on the tether 76a is attached is a circumference of the tether 76a from the first straight section 122a , the first section bent back 122b , the second straight section 122c , the second bent-back section 122d and the third straight section 122e surround. According to this construction, the cable holder 120 securely on the tether 76a be attached.

The cable holding section 124 comprises a cylindrical section 124a , the central axis of which extends along a Y direction and which has a cylindrical shape with an open end in a positive Z direction, and a first guide section 124b and a second guide section 124c by respective ends of the cylindrical section 124a are bent outwards. Between the first guide section 124b and the second guide section 124c is an opening 124d intended. The cylindrical section 124a , the first guide section 124b and the second guide section 124c are configured to be wider in the Y direction than the tape attachment portion 122 are. The cylindrical section 124a is in one piece with the first straight section 122a of the band attachment section 122 educated. A width of the opening 124d is smaller than a cable diameter of the power cable in a normal state 38 . When holding the power cord 38 through the cable holding section 124 the cylindrical section deforms 124a by pressing the power cord 38 from outside the cylindrical section 124a into the opening 124d elastic in a direction of widening the opening 124d , causing the power cord 38 inside the cylindrical section 124a is housed. When removing the power cable 38 from the cable holding section 124 the cylindrical section deforms 124a by pulling out the power cable 38 from inside the cylindrical section 124a over the opening 124d elastic in the direction of widening the opening 124d , causing the power cord 38 from the cylindrical section 124a Will get removed.

With the cable holder 120 point the first straight section 122a , the first bent back section 122b , the second straight section 122c , the second bent back section 122d and the third straight section 122e of the band attachment section 122 each essentially have the cross-sectional shape of a square with rounded corners. This will make the cable holder 120 even in a case where in the state where the cable holder 120 on the tether 76a is attached, an external force in the direction of displacement of the cable holder 120 down on the cable holder 120 acts down without resistance to the external force, causing damage to the tape attachment portion 122 can be prevented. The cross-sectional shape of the first straight section 122a , the first bent back section 122b , the second straight section 122c , the second bent-back section 122d and the third straight section 122e may be any cross-sectional shape as long as the shape facilitates rolling, and may be, for example, a cornerless shape such as a substantially circular shape and a substantially oval shape, and a polygonal shape whose corners form obtuse angles such as a substantially hexagonal shape and be an essentially octagonal shape.

With the cable holder 120 is the recess 122f for inserting and removing the strap 76a in and out of the tape attachment section 122 provided at a position that is not one of the ends of the tether 76a is facing when the tether 76a is appropriate. This can prevent the cable holder from moving 120 unintentionally from the tether 76a solves.

With the cable holder 120 the width of the opening changes 124d of the cable holding section 124 due to the elastic deformation of the cylindrical section 124a . This deforms the cylindrical section 124a elastic even when the user is in the state where the cable holding portion 124 the power cord 38 holds a powered device (such as an electrical tool) on which the power cord 38 is attached, accidentally drops, causing the opening 124d expanded and the power cord 38 away from the cable holding section 124 solves. With the above configuration, the power-operated device can be prevented from colliding with the user by the power cable 38 with the cable holder 120 as a fulcrum like a pendulum if the user accidentally drops the powered device on the power cord 38 is appropriate.

Alternatively, instead of the cable holder 120 according to 20th a cable holder 130 according to 21 be used. The cable holder 130 includes a strap attachment portion 132 and a cable holding section 134 . The band attachment section 132 comprises: a first flat section 132a that extends flat in the X direction; a bent back section 132b that gradually rises in the negative Z direction from one end of the first flat section 132a bends in the negative X direction; a curved section 132c that gradually rises in the positive X direction from the bent back portion 132b bends and further gradually bends in the positive Z direction; a second flat section 132d that is flat in the positive X direction from the bent portion 132c extends; a first guide section 132e that of one end of the first flat section 132a is bent outward in the positive X direction; and a second guide section 132f that of one end of the second flat section 132d is bent outward in the positive X direction. Between the first flat section 132a and the second flat section 132d is a recess 132g intended. A width of the recess 132g is less than a strength of the straps 76a , 76b . When attaching the cable holder 130 on the tether 76a becomes the tether 76a over the recess 132g in the band attachment section 132 introduced. As a result, the bent portion deforms 132c elastic, which makes the tether 76a in a state where most of the tether 76a in the band attachment section 132 has come between the first flat section 132a and the second flat section 132d is held.

The cable holding section 134 includes a first curved section 134a , a second curved section 134b , a third guide section 134c that of the first curved section 134a is bent outward, and a fourth guide portion 134d that of the second curved section 134b is bent outwards. The longitudinal direction of the first curved section 134a and the second curved portion 134b Viewed in a plan view along a positive Y direction, viewed in the Z direction, and they form an oval shape with an open end in the positive Z direction. The first curved section 134a and the second curved section 134b are integral with the first flat section 132a of the band attachment section 132 educated. An opening 134e is between the third guide section 134c and the fourth guide section 134d intended. A width of the opening 134e is smaller than the cable diameter of the power cable in the normal state 38 . When holding the power cord 38 by means of the cable holding section 134 the first curved section deforms 134a and the second curved section 134b by pressing the power cord 38 from outside the cable holding section 134 through the opening 134e elastic in the direction of widening the opening 134e , causing the power cord 38 in the cable holding section 134 is housed. When removing the power cord 38 from the cable holding section 134 the first curved section deforms 134a and the second curved section 134b by pulling out the power cord 38 from inside the cable holding section 134 through the opening 134e elastic in the direction of widening the opening 134e , causing the power cord 38 from the cable holding section 134 is removed.

With the cable holder 130 the width of the opening changes 134e of the cable holding section 134 by elastic deformation of the first bent portion 134a and the second curved portion 134b . This deforms the first curved section 134a and the second curved section 134b elastic even when the user attaches the powered device (such as an electrical tool) to the power cord 38 is attached in the state in which the cable holding portion 134 the power cord 38 stops, accidentally drops, causing the opening 134e is expanded and the power cord 38 out of the cable holding section 134 solves. With the above configuration, the power-operated device can be prevented from colliding with the user by the power cable 38 with the cable holder 130 as a fulcrum like a pendulum when the user moves the powered device to which the power cord 38 attached, accidentally drops.

Alternatively, instead of the cable holder 120 according to 20th a cable holder 140 according to 22 be used. The cable holder 140 includes a strap attachment portion 142 and a cable holding section 144 . The band attachment section 142 comprises: a first straight section 142a that extends straight in the X direction; a first section bent back 142b that gradually rises in the negative Z direction from one end of the first straight section 142a bends in the positive X direction and further gradually bends in the negative X direction; a second straight section 142c that is from the first bent back section 142b extends straight in the negative X direction; a second bent-back section 142d that gradually rises in the negative Z direction from one end of the first straight section 142a bends in the negative X direction and further gradually bends in the positive X direction; and a third straight section 142e extending from the second section bent back 142d extends straight in the positive X direction. The first straight section 142a , the first bent back section 142b , the second straight section 142c , the second bent back section 142d and the third straight section 142e each have essentially the cross-sectional shape of a square with rounded corners. The second straight section 142c and the third straight section 142e are collinear. A recess 142f through which the tether 76a (or the tether 76b) is between a distal end of the second straight section 142c and a distal end of the third straight section 142e intended. In a state where the cable holder 140 on the tether 76a is attached is the circumference of the tether 76a from the first straight section 142a , the first section bent back 142b , the second straight section 142c , the second bent-back section 142d and the third straight section 142e surround. This construction allows the cable holder 140 securely on the tether 76a be attached.

The cable holding section 144 includes a first curved section 144a , a second curved section 144b , a first guide section 144c that of the first curved section 144a is bent outwards, a second guide section 144d that of the second curved section 144b is bent outwards, a first holding section 144e that is in a flat shape from the first curved section 144a extends inward, and a second holding portion 144f that is in a flat shape from the second curved portion 144b inside extends. The first curved section 144a and the second curved section 144b have a longitudinal direction as viewed in the positive Y direction, which extends in the Z direction, and form an oval shape with an open end in the positive Z direction. The first curved section 144a and the second curved section 144b are integral with the first straight section 142a of the band attachment section 142 educated. An opening 144g is between the first guide section 144c and the second guide section 144d intended. A width of the opening 144g is smaller than the cable diameter of the power cable in the normal state 38 . When holding the power cord 38 through the cable holding section 144 the first curved section deforms 144a and the second curved section 144b by pressing the power cord 38 from outside the cable holding section 144 through the opening 144g elastic in the direction of widening the opening 144g , causing the power cord 38 inside the cable holding section 144 is housed. When removing the power cord 38 from the cable holding section 144 becomes the first curved section 144a or the second curved section 144b by gripping the first guide section 144c or the second guide section 144d elastic in the direction of widening the opening 144g deformed. Then the power cord 38 between the first holding section 144e and the second holding section 144f arranged, and the power cord 38 is about the opening 144g from inside the cable holding section 144 pulled out, causing the power cord 38 from the cable holding section 144 is removed.

With the cable holder 140 point the first straight section 142a , the first bent back section 142b , the second straight section 142c , the second bent back section 142d and the third straight section 142e of the band attachment section 142 each essentially have the cross-sectional shape of a square with rounded corners. This will make the cable holder 140 even in a case where in the state where the cable holder 140 on the tether 76a is attached, an external force in the direction of displacement of the cable holder 140 down on the cable holder 140 acts down without resistance to the external force, causing damage to the tape attachment portion 142 can be prevented. The cross-sectional shape of the first straight section 142a , the first bent back section 142b , the second straight section 142c , the second bent-back section 142d and the third straight section 142e may be any cross-sectional shape as long as the shape facilitates rolling, and may be, for example, a cornerless shape such as a substantially circular shape and a substantially oval shape and a polygonal shape whose corners form obtuse angles such as a substantially hexagonal shape and a be essentially octagonal in shape.

With the cable holder 140 is the recess 142f for inserting and removing the strap 76a in and out of the tape attachment section 142 provided at a position that is not one of the ends of the tether 76a is facing when the tether 76a is appropriate. This can result in unintentional disconnection of the cable holder 140 from the tether 76a be prevented.

With the cable holder 140 are the first holding section 144e and the second holding section 144f near the opening 144g of the cable holding section 144 intended. This can result in unintentional disconnection of the power cable 38 from the cable holder 140 be prevented.

Instead of on the straps 76a , 76b the shoulder straps 8a , 8b can be attached, the cable holder 120 , 130 , 140 on other bands such as the adjusting bands 80a , 80b the shoulder straps 8a , 8b be attached. Alternatively, the cable holder 120 , 130 , 140 on the tether 77 and the adjustment ribbon 81 the waist belt 10th be attached. Alternatively, the cable holder 120 , 130 , 140 attached to other tapes (not shown) worn by the user.

In one or more embodiments, the main body element comprises 4th (which is an example of a battery mounting device) of the power supply device 2nd of the backpack type: the case 15 on which the battery packs 20a , 20b , 20c , 20d are removably attached; and the cover 16 that so on the case 15 is appropriate that they are the battery packs 20a , 20b , 20c , 20d covered, and which is configured so that it is opened and closed by a rotation about the axis of rotation. In a state in which the main body element 4th is arranged on a horizontal plane, a force acts in the closing direction of the cover 16 on the cover 16 a.

With the above configuration, it works in the state in which the main body member 4th arranged on a horizontal plane, the force in the closing direction of the cover 16 on the cover 16 one, causing the cover 16 can be kept securely closed. This allows even in a case where water is on the main body element 4th splashes, prevent the battery packs 20a , 20b , 20c , 20d get wet.

In one or more embodiments, the main body member is 4th further with the seal 42 provided that is configured to cover the perimeter of the cover 16 with the cover closed 16 seals.

With the above configuration, even in the case where water is applied to the main body member 4th splashes, safely prevent the battery packs 20a , 20b , 20c , 20d get wet.

In one or more embodiments, the main body member is 4th also with the torsion spring 40 (which is an example of a biasing member) configured to cover the cover 16 in the closing direction of the cover 16 preloaded. In this case, the force is in the closing direction of the cover 16 that in the state in which the main body member 4th is arranged on a horizontal plane, on the cover 16 acts, the biasing force of the torsion spring 40 .

With the above configuration, the torsion spring is tensioned 40 the cover 16 even in the closing direction even when the main body member 4th is not in the state in which it is arranged on a horizontal plane. Even in the case where water is on the main body element 4th splashes when the main body element 4th is not in the state in which it is arranged on a horizontal plane, the battery packs can be prevented 20a , 20b , 20c , 20d get wet.

In one or more embodiments, the main body member is 4th further with the pawl element 44 and the pawl mount 14c (which are an example of a locking mechanism) that are configured to match the condition in which the cover 16 is closed after closing the cover 16 hold.

With the above configuration, even in a case where the cover is closed 16 unintentionally a force in an opening direction of the cover 16 on the cover 16 acts this state in which the cover 16 is closed. The occurrence of a situation in which the battery packs 20a , 20b , 20c , 20d getting wet can be safely prevented.

In one or more embodiments, the main body element comprises 4th (which is an example of a battery mounting device) of the power supply device 2nd of the backpack type: the case 15 on which the battery packs 20a , 20b , 20c , 20d are removably attached; the cover 16 that so on the case 15 is appropriate that they are the battery packs 20a , 20b , 20c , 20d covered, and configured to be opened and closed by rotation about the axis of rotation; and the cover holding mechanism 46 that is configured to cover the 16 keeps in the open state. The cover holding mechanism 46 is with the cover bracket 47 provided that it is configured according to an operation by the user between the stop position, the rotational movement of the cover 16 hindered, and the released position is moved, the rotational movement of the cover 16 not disabled.

With the above configuration, the cover 16 when attaching or removing the battery packs 20a , 20b , 20c , 20d on or out of the housing 15 through the cover holding mechanism 46 to be kept in the open state, thereby removing the cover 16 does not have to hold in the open state by holding it with one hand. Work of fastening and removal of the battery packs 20a , 20b , 20c , 20d can be done easily.

In one or more embodiments, the cover retention mechanism includes 46 also the compression spring 54 (which is an example of a first biasing member) configured to hold the cover bracket 47 biased from the stop position to the released position.

With the above configuration, the cover bracket 47 after completing the work of fastening and removing the battery packs 20a , 20b , 20c , 20d by the preload force of the compression spring 54 be returned from the holding position to the released position.

In one or more embodiments, the main body element comprises 4th also the torsion spring 40 (which is an example of a second biasing member) configured to cover the cover 16 in the closing direction of the cover 16 preloaded.

With the above configuration, the cover 16 in a situation where the work of fixing and removing the battery packs 20a , 20b , 20c , 20d not running, be kept securely closed.

In one or more embodiments, the main body element comprises 4th also the power cable 38 (which is an example of a power output) configured to take power from the battery packs 20a , 20b , 20c , 20d to another device. The main body element 4th is configured to attach the shoulder straps 8a , 8b is suitable that the user puts over his shoulders.

With the above configuration, the power supply device can 2nd of the backpack type for which the main body element 4th is used.

In one or more embodiments, the axis of rotation of the cover extends 16 along the longitudinal direction of the housing 15 .

If the axis of rotation of the cover 16 perpendicular to the longitudinal direction of the housing 15 extends, a front of the cover rotates 16 when opening and closing the cover 16 on a large trajectory, which could easily obstruct the user's body or surrounding object. By such a design that the axis of rotation of the cover 16 as above along the longitudinal direction of the housing 15 extends, the front of the cover 16 when opening and closing the cover 16 can be rotated on a small trajectory, and the occurrence of an obstruction of the user's body or the surrounding object can be prevented.

In one or more versions, the accumulator packs are 20a , 20b , 20c , 20d configured to move on the housing by sliding in the sliding direction 15 attached or removed from this. The direction of displacement is substantially parallel to one of the axis of rotation of the cover 16 rectangular plane.

The cover interferes with the above configuration 16 when opening the cover 16 in terms of the housing 15 and when moving the battery packs 20a , 20b , 20c , 20d in terms of the housing 15 not in the direction of displacement. Work of fastening and removal of the battery packs 20a , 20b , 20c , 20d can be done easily.

In one or more embodiments, the battery packs are 20a , 20b , 20c , 20d along the longitudinal direction of the housing 15 arranged.

With the above configuration, the others interfere with the case 15 attached battery packs 20b , 20c , 20d when moving one of the battery packs 20a , 20b , 20c , 20d like the battery pack 20a in terms of the housing 15 not in the direction of displacement. Work of fastening and removal of the battery packs 20a , 20b , 20c , 20d can be carried out more easily.

In one or more embodiments, the cable holders include 120 , 130 , 140 the strap attachment sections 122 , 132 , 142 that are removable on the tether worn by the user 76a (which is an example of a tape) are attached, and the cable holding portions 124 , 134 , 144 that are configured to have the power cord 38 (which is an example of a cable). Each pair of strap attachment sections 122 , 132 , 142 and cable holding sections 124 , 134 , 144 is formed in one piece.

With the above configuration, since the tape attachment portions 122 , 132 , 142 are configured to be removable on the tether 76a only the cable holders can be attached 120 , 130 , 140 be removed without the tether worn by the user 76a to decrease.

In one or more embodiments, the strap attachment sections are 122 , 142 with the recesses 122f , 142f provided and have the shape that the circumference of the tether 76a surrounds.

With the above configuration, the cable holders can 120 , 140 on the tether 76a attached and detached from it by the tether 76a about the recesses 122f , 142f into or out of the band attachment sections 122 , 142 is inserted or removed.

In one or more embodiments, the strap attachment portions have 122 , 142 the cross-sectional shape that makes rolling easier.

If in the above configuration, the external force in the direction of displacement of the cable holder 120 , 140 down on the on the tether 76a attached cable holder 120 , 140 acts, the cable holder 120 , 140 moved down without resistance to the external force. This can damage the cable holder 120 , 140 be prevented.

In one or more embodiments, the cable holding sections have 124 , 134 the shape on which the openings 124d , 134e includes. The width of the openings 124d , 134e is smaller than the cable diameter of the power cable in the normal state 38 and is caused by the elastic deformation of the cable holding sections 124 , 134 when attaching or removing the power cord 38 larger than the cable diameter of the power cable 38 .

With the above configuration, the power cord 38 on the cable holders 120 , 130 attached or removed by the power cord 38 over the openings 124d , 134e into the cable holding sections 124 , 134 used or off is taken from this. Furthermore, the power cable comes loose 38 in the above configuration from the cable holders 120 , 130 when a great force on the power cord 38 acts, for example when connected to the power cable 38 connected device falls down and thereby a jerky pull on the power cable 38 is applied, and the power cord 38 is carried by the tether worn by the user 76a Cut. The above design can ensure the safety of the user.

In one or more embodiments, the tether is 76a on which the cable holder 120 , 130 , 140 are attached to the shoulder strap 8a the power supply device 2nd of the backpack type. The power cord 38 that the cable holder 120 , 130 , 140 hold extends from the power supply device 2nd of the backpack type.

In the above configuration, the power cord extends 38 that is different from the power supply device 2nd of the backpack type extends from the user's back over the shoulder and along the chest, thereby loosening and sagging of the power cord 38 can be prevented.

In one or more embodiments, the power supply device comprises 2nd the backpack type (which is an example of a backpack type device) the main part 5 who have favourited shoulder straps 8a , 8b that the user puts on his shoulders and the waist belt 10th the user wraps around his waist. The waist belt 10th is configured to be between the state in which the lower end of the waist belt 10th under the lower surface of the main part 5 is arranged, and the state is changed in which the lower end of the waist belt 10th over the lower surface of the main part 5 is arranged. The power supply device 2nd the backpack type is configured to fit the bottom surface of the main part 5 to bring into contact with a horizontal plane so that it is placed on the horizontal plane in the state where the lower end of the waist belt 10th over the lower surface of the main part 5 is arranged.

If the user in the above configuration, the power supply device 2nd The type of backpack used by carrying it on his back can change the position of the waist belt 10th can be adjusted to the position of the user's waist by the waist belt 10th is brought into the state in which the lower end of the waist belt 10th under the lower surface of the main part 5 is arranged, and the load on the body of the user's main body can be reduced. Furthermore, the waist belt 10th when arranging the power supply device 2nd of the backpack type are arranged on a horizontal plane so that the lower surface of the main part 5 is brought into contact with the horizontal plane so as to be placed on the horizontal plane in the state where the lower end of the waist belt 10th over the lower surface of the main part 5 is arranged.

In one or more embodiments, the body includes 5 the main body element 4th and the element carried on the back 6 on which the main body element 4th is detachably attached and on which the shoulder straps 8a , 8b and the waist belt 10th are attached.

With the above configuration, the main body member can 4th used or serviced in the state where the main body member 4th from the element carried on the back 6 was removed.

In one or more embodiments, the element carried on the back comprises 6 the back plate 60 on the top ends of the shoulder straps 8a , 8b are attached, the support plate 62 on the waist belt 10th is attached and configured to change its position with respect to the back plate 60 in the up and down direction, and the locking mechanism 64 that is configured to match the position of the support plate 62 in relation to the back plate 60 specifies. The lower surface of the main part 5 is from the main body element 4th and / or the back plate 60 educated.

With the above configuration, by means of a relatively simple configuration, the state in which the lower end of the waist belt can be 10th under the lower surface of the main part 5 is arranged, and be changed to the state in which the lower end of the waist belt 10th over the lower surface of the main part 5 is arranged.

In one or more embodiments, the waist belt 10th attached so that it is rotatable about the axis of rotation, which is in relation to the main part 5 extends in the forward and backward direction. The axis of rotation of the waist belt 10th is on one in the up and down direction from a middle of the waist belt 10th remote position.

With the above configuration, the waist belt can 10th by rotating 180 degrees around the axis of rotation with respect to the main part 5 from the state in which the lower End of the waist belt 10th under the lower surface of the main part 5 is arranged to be switched to the state in which the lower end of the waist belt 10th over the lower surface of the main part 5 is arranged. The change between the state in which the lower end of the waist belt 10th under the lower surface of the main part 5 is arranged, and the state in which the lower end of the waist belt 10th over the lower surface of the main part 5 is arranged, can be made by means of a relatively simple configuration.

In one or more embodiments, the waist belt 10th by means of the Velcro fastener 105 removable on the main part 5 appropriate.

With the above configuration, by setting a fastening position of the waist belt 10th in terms of the main body 5 in the up and down direction between the state in which the lower end of the waist belt 10th under the lower surface of the main part 5 is arranged, and be changed to the state in which the lower end of the waist belt 10th over the lower surface of the main part 5 is arranged. The change between the state in which the lower end of the waist belt 10th under the lower surface of the main part 5 is arranged, and the state in which the lower end of the waist belt 10th over the lower surface of the main part 5 is arranged, can be made by means of a relatively simple configuration.

QUOTES INCLUDE IN THE DESCRIPTION

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Patent literature cited

• JP 2011216304 [0002, 0003]

Claims (5)

Backpack type device comprising: a main part; a shoulder strap configured to be placed over a user's shoulder; and a waist belt configured to wrap around a user's waist, wherein the waist belt is configured to switch between a state in which a lower end of the waist belt is under a lower surface of the main part and a state in which the lower end of the waist belt is above the lower surface of the main part , and the backpack type device is configured to be arranged on a horizontal plane with the lower surface of the main part in contact with the horizontal plane on which the backpack type device is arranged in the state in which the lower end of the waist belt is located over the lower surface of the main part. Backpack type device Claim 1 wherein the main part comprises: a main body portion; and a back support portion to which the main body portion is detachably attached and to which the shoulder strap and the waist strap are attached. Backpack type device Claim 2 wherein the back support portion comprises: a back plate to which an upper end of the shoulder strap is attached; a support plate to which the waist belt is attached and which is configured so that its position with respect to the back plate is changeable in an up and down direction; and a locking mechanism configured to fix the position of the support plate with respect to the back plate in the up and down direction, the main body portion and / or the back plate forming the lower surface of the main part. Backpack type device Claim 1 or 2nd , wherein the waist belt is attached to the main body so as to be rotatable about an axis of rotation extending in a front and rear direction with respect to the main body, and the axis of rotation in an up and down direction from a center of the waist belt is spaced. Backpack type device Claim 1 or 2nd , wherein the waist belt is removably attached to the main part by means of a Velcro fastener.

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