JP2023079290A - bag - Google Patents

Abstract

To implement operation of a wheel lock mechanism capable of regulating rotation of wheels, while avoiding complication of a configuration in a bag.SOLUTION: A bag comprises a bag body, a handle attached to the bag body, wheels attached to a bottom part of the bag body, and a wheel lock mechanism 20 having a control wire. The wheel lock mechanism 20 is configured to, when the control wire is located at a first position, turn into a lock release state of allowing rotation of the wheels, and when the control wire is located at a second position, turn into a lock state of regulating the rotation of the wheels. The handle 200 includes a rod-shaped rotation part and a support part 240 for rotatably supporting the rotation part 250, with a longitudinal direction of the rotation part 250 used as an axis. The control wire is connected to the rotation part 250 and is configured to displace between the first position and the second position with the rotation of the rotation part 250.SELECTED DRAWING: Figure 8

Description

The technology disclosed in this specification relates to bags.

2. Description of the Related Art A bag having a bag body having a space for accommodating baggage, a handle attached to the bag body, and wheels attached to the bottom of the bag body, like a suitcase, is widely used. With such a bag, the user can pull the handle while holding the handle to move the bag while the wheels are on the floor.

In order to prevent unintentional movement of the bag, various bags having wheel lock mechanisms capable of restricting (locking) the rotation of the wheels have been proposed. In Patent Document 1, the wheel lock mechanism has an electric actuator capable of regulating the rotation of the wheel, the steering wheel is provided with a button switch for operating the electric actuator, and the operation signal generated by the button switch is transmitted wirelessly. A luggage is disclosed in which an electric actuator restricts wheel rotation when transmitted to a wheel lock mechanism via an electric actuator.

JP 2018-134531 A

The bag of Patent Document 1 requires electrical parts such as button switches and electric actuators, and also requires a power source for their operations. Furthermore, in addition to the structure (bag, handle, wheels, etc.) for realizing the function as a bag, a dedicated structure (button switch, etc.) for operating the wheel lock mechanism is required, which complicates the structure. There is a problem.

This specification discloses a technology capable of solving the above-described problems.

The technology disclosed in this specification can be implemented, for example, in the following forms.

(1) The luggage disclosed herein comprises a luggage body, a handle attached to the luggage body, wheels attached to the bottom of the luggage body, and a wheel lock mechanism having a control wire. . The wheel lock mechanism is in an unlocked state allowing rotation of the wheel when the control wire is at the first position, and restricts rotation of the wheel when the control wire is at the second position. locked. The handle has a rod-shaped rotating portion and a supporting portion that supports the rotating portion so as to be rotatable about the longitudinal direction of the rotating portion. The control wire is connected to the rotating portion and configured to be displaced between the first position and the second position as the rotating portion rotates. According to this bag, the wheel lock mechanism can be switched between the unlocked state and the locked state by performing the operation of rotating the rotating portion. Therefore, according to the present bag, the functions as a bag can be realized without requiring electric parts or their power source, and without requiring a dedicated configuration (button switch, etc.) for operating the wheel lock mechanism. To realize a switching operation of a wheel lock mechanism by using a rotating part of a handle having a configuration of (1), to avoid complication of the configuration of a bag, and to realize a simple design of the bag. can be done.

(2) In the above bag, the rotating part has a rotating side engaging part, and the supporting part is a first position that engages with the rotating side engaging part when the control wire is in the first position. The configuration may include a support-side engagement portion and a second support-side engagement portion that engages with the rotation-side engagement portion when the control wire is in the second position. According to this bag, it is possible to achieve positioning (angle setting) along the circumferential direction of the rotating portion accompanied by a so-called click feeling, and it is possible to improve the operational feeling for switching the wheel lock mechanism.

(3) In the bag described above, the rotation-side engaging portion is a convex portion that can advance and retreat in a radial direction of the rotating portion, and the first support-side engaging portion and the second support-side engaging portion It is good also as a structure which is a hole which can be engaged with a convex part. According to this bag, it is possible to improve the above-described operational feeling with a relatively simple configuration.

(4) In the above bag, the rotating part has a rotating-side restricting part, and the supporting part moves from a state in which the rotating-side engaging part is engaged with the first supporting-side engaging part to the rotating-side engaging part. Rotation of the rotating portion is permitted within a range up to a state in which the engaging portion is engaged with the second support-side engaging portion, and rotation of the rotating portion exceeding the range is caused to contact the rotation-side restricting portion. It is good also as a structure which has a support side control part which controls by contact|connecting. According to this bag, the rotation range of the rotating part can be limited to the range necessary for the switching operation of the wheel lock mechanism, and the occurrence of malfunctions of the mechanism caused by rotation beyond the range of the rotating part can be suppressed. can do.

(5) In the bag described above, the rotation-side restricting portion is a protrusion projecting along the longitudinal direction at the end of the rotating portion, and the support-side restricting portion is a groove into which the protrusion is fitted. A certain configuration may be used. According to this bag, it is possible to limit the rotation range of the rotating portion as described above with a relatively simple configuration.

(6) The bag may further include a biasing member that biases the control wire toward the first position. According to this bag, the rotating part is biased in a direction such that the wheel lock mechanism is in the unlocked state via the control wire. Therefore, according to the bag, the force to be applied to the rotating portion when the user switches the wheel lock mechanism from the locked state to the unlocked state is smaller than the force to be applied to the rotating portion when switching from the unlocked state to the locked state. It becomes possible to improve the operability of the bag.

(7) In the bag, the handle has an expansion/contraction mechanism that expands and contracts so that the relative position of the rotating part with respect to the wheel changes, and the bag further includes a tube that accommodates at least part of the control wire. The body may include a tube body that deforms while maintaining a constant length in accordance with the expansion and contraction of the expansion and contraction mechanism. According to this bag, even if the handle is extended and contracted, the path length of the control wire can be kept constant due to the existence of the tube body. Therefore, according to this bag, it is possible to realize switching operation of the wheel lock mechanism by the rotating portion of the handle while improving the operability of the bag by making the handle extendable.

(8) The bag may further include a cover member arranged to cover the support portion. According to this bag, it is possible to prevent the structure for switching operation of the wheel lock mechanism from being exposed to the outside in the handle, and further simplification of the exterior design of the handle can be realized.

(9) In the bag described above, the rotating portion may be a grip portion held by the user. According to this bag, the user can switch the wheel lock mechanism by operating the rotating part while holding the rotating part as the grip part for holding or carrying the bag. Operability can be further improved.

(10) In the bag, the wheel lock mechanism is supported by a body and rotatable about a rotation axis, has a concave portion formed in at least a part of an outer peripheral surface about the rotation axis, and rotates together with the wheel. and a linear body having a projection, which is connected to the control wire, and when the control wire is positioned at the first position, the projection does not fit into the recess, and the locking is performed. and a linear body configured such that when the control wire is in the released state and the control wire is positioned at the second position, the convex portion is fitted into the concave portion to be in the locked state. good. According to this bag, compared to a conventional wheel lock mechanism in which a lock pin is inserted into a lock hole to restrict the rotation of the wheel, the possibility of the convex portion being fixed to the concave portion is reduced. It is possible to avoid problems with unlocking.

(11) In the bag, the wheel lock mechanism moves the linear body in a direction orthogonal to the rotation axis of the rotating member from the locked state in which the protrusion is fitted in the recess. The projection may be separated from the recess along with the transition to the unlocked state. According to this bag, it is possible to reduce the amount of movement of the protrusions when unlocking the wheels, reduce the force required to unlock the wheels, and shorten the time required to unlock the wheels. can be done.

(12) In the bag described above, a plurality of recesses are formed in at least a portion of the outer peripheral surface of the rotating member, and the linear body includes a plurality of recesses that can be fitted into each of the plurality of recesses. It is good also as a structure which has the said convex part. According to this bag, it is possible to achieve more reliable locking of the wheels.

(13) In the bag described above, the linear body may have a rack member having a plurality of teeth that function as the protrusion. According to this bag, it is possible to achieve more reliable locking of the wheels with a relatively simple configuration.

Explanatory drawing schematically showing the configuration of the bag according to the present embodiment. Explanatory drawing showing a state in which the handle of the bag shown in FIG. 1 is pulled out. Explanatory diagram showing how the bag is used FIG. 2 is a perspective view showing an external configuration of a caster and a wheel lock mechanism for locking the wheel of the caster; 5 is an exploded perspective view showing the external configuration of each part constituting the caster and wheel lock mechanism shown in FIG. 4; FIG. Explanatory drawing showing the unlocked state of the wheel lock mechanism Explanatory drawing showing the locked state of the wheel lock mechanism A perspective view showing the external configuration of the handle and the wheel lock mechanism. Explanatory drawing showing the rear structure of the handle FIG. 2 is an exploded perspective view showing the external configuration of each part that constitutes the handle and wheel lock mechanism; An explanatory view showing a side view and a cross section of the unlocked handle and wheel lock mechanism. Explanatory drawing showing a side view and a cross section of the handle in the locked state and the wheel lock mechanism Explanatory drawing showing the detailed configuration of the control wires in the bag with the handle stored. Explanatory drawing showing the detailed configuration of the control wires in the bag with the handle pulled out. FIG. 14 is a perspective view showing the external configuration of the wire connector shown in FIGS. 13 and 14;

A. Embodiment:
A-1. Bag configuration:
1 and 2 are explanatory diagrams schematically showing the configuration of the bag according to this embodiment. Bag 10 is a so-called suitcase and has handle 200 . FIG. 1 shows the exterior configuration of the bag 10 with the handle 200 stored, and FIG. 2 shows the exterior configuration of the bag 10 with the handle 200 pulled out. Each figure shows XYZ axes orthogonal to each other. Hereinafter, the Z-axis positive direction will be referred to as the upward direction, and the Z-axis negative direction will be referred to as the downward direction. In each figure, a part of the configuration is transparently shown or the illustration of a part of the configuration is omitted. These points are the same for FIG. 3 and subsequent figures.

The bag 10 includes a bag body 11 , a handle 200 , two casters 100 each including wheels 120 , and a wheel lock mechanism 20 . The state of the wheel lock mechanism 20 is switched between an unlocked state in which rotation of each wheel 120 is permitted and a locked state in which rotation of each wheel 120 is restricted. Hereinafter, the surface of the bag 10 viewed from the positive Z-axis direction is referred to as the top surface, the surface viewed from the negative Z-axis direction is referred to as the bottom surface, and the surface viewed from the positive Y-axis direction is referred to as the bottom surface. The front is referred to as the front side, the side viewed from the Y-axis negative direction side is referred to as the rear side, and the side viewed from the X-axis positive direction side and the X-axis negative direction side is referred to as the side side. Although the luggage 10 is described as having a posture in which the handle 200 extends in the vertical direction (the Z-axis direction), the luggage 10 may take other postures.

The bag main body 11 is a box body having a space for accommodating luggage, and is, for example, a substantially rectangular parallelepiped member. An openable and closable lid 12 is provided on the front of the bag body 11 . 1 and 2, the lid 12 is indicated by dashed lines for convenience.

The handle 200 is a portion that is gripped by the user when lifting or moving the bag 10, and is attached to the back side of the bag body 11 at a substantially central position along the X-axis direction. The handle 200 has two pole portions 290 and a handle body portion 210 .

Each pole portion 290 has, for example, a substantially quadrangular prism shape, and is attached to the bag body 11 so as to extend vertically. Each pole portion 290 has an expansion mechanism 292 that expands and contracts along the vertical direction. The telescopic mechanism 292 can be stored in the storage space 14 provided in the bag body 11 (see FIG. 1) and extended upward from the upper surface of the bag body 11 (see FIG. 2). , can be switched between.

The handle body portion 210 has, for example, a substantially cylindrical shape, and is attached so as to span the upper ends of the two pole portions 290 in a posture extending in the X-axis direction. The handle main body 210 is the part that is actually gripped by the user. In addition, as will be described later, the handle body portion 210 also functions as an operation portion for operating the wheel lock mechanism 20 .

The casters 100 are attached near two corners on the back side of the bottom surface of the bag body 11 . Each caster 100 has two wheels 120 . Each caster 100 supports the bag main body 11 and smoothly moves the bag 10 along the floor by rotating the wheels 120 .

FIG. 3 is an explanatory diagram showing how the bag 10 is used. One or more legs 13 are attached to the front side of the bottom surface of the bag body 11 . As shown in columns A and B of FIG. 3, when the handle 200 is in the stowed state or the extended state, the bag 10 stands on its own with the legs 13 and the two casters 100 on the floor. is configured to Further, as shown in column C of FIG. 3, for example, when the user U tilts the bag 10 toward the back side and pulls the handle main body 210, only the two casters 100 reach the floor surface. The bag 10 can be moved in this state.

A-2. Detailed configuration of caster 100 and wheel lock mechanism 20:
Next, detailed configurations of the caster 100 and the wheel lock mechanism 20 will be described. FIG. 4 is a perspective view showing the external configuration of caster 100 and wheel lock mechanism 20, FIG. 5 is an exploded perspective view showing the external configuration of those parts, and FIGS. 6 and 7 are caster 100 and wheel. FIG. 3 is an explanatory diagram showing a side configuration of a lock mechanism 20; FIG. 6 shows the wheel lock mechanism 20 in the unlocked state allowing rotation of the wheel 120, and FIG. 7 shows the wheel lock mechanism 20 in the locked state restricting the rotation. .

As shown in FIGS. 4 to 7, caster 100 includes body 150, two wheels 120, and two rotating members 140. As shown in FIGS. Each member constituting the caster 100 is made of resin or metal, for example. At least some of the components of caster 100 may function as components of wheel lock mechanism 20 .

The body 150 has a main body 170 and a pair of sub-bodies 160 attached to the main body 170 so as to sandwich it from both sides. The body 150 is horizontally rotatably attached to the bottom of the bag body 11 via a vertically extending support shaft 172 formed in the main body 170 (see FIGS. 1 to 3).

Inside the body 150, there are a wire through hole 151 vertically penetrating the support shaft 172, a bridge housing space 152 located below the support shaft 172 and communicating with the wire through hole 151, a main body 170, and a main body 170. A pair of rotating member housing spaces 153 secured between the sub body 160 and the rotating member housing space 153 are formed. A vertically extending guide projection 156 is formed on each of the two opposing side surfaces defining the bridge accommodation space 152 . Further, on both side surfaces of the main body 170, toothed grooves 154 communicating with the rotating member accommodating space 153 are formed. The rotating member housing space 153 communicates with the outside of the body 150 through through holes 162 formed in each subbody 160 .

The rotating member 140 has a rod-shaped shaft 142 and a disk-shaped gear 144 having a through hole 143 formed in the center. The shaft 142 is inserted into the through hole 143 and integrated with the gear 144 so as not to rotate relative to it. The rotating member 140 is rotatably supported in the rotating member housing space 153 with the longitudinal direction (Y-axis direction) as the rotation axis.

The distal end of the shaft 142 protrudes outside the body 150 through the through hole of the bearing member 130 and the through hole 162 of the subbody 160 which are arranged outside the gear 144 . In addition, a plurality of teeth, that is, concave portions 146 are formed on the outer peripheral surface of the gear 144 over the entire circumference.

The wheel 120 is a substantially disc-shaped member with a through hole 122 formed in the center. A tip of a shaft 142 protruding outside the body 150 is inserted into the through hole 122 of the wheel 120, and the wheel 120 is integrated with the shaft 142 so as not to rotate relative to it. Therefore, wheel 120 rotates as rotating member 140 rotates. A ring-shaped fastening member 112 is fitted to the tip of the shaft 142 passing through the through hole 122 of the wheel 120 , and a substantially disk-shaped cover 110 is attached to the outside of the wheel 120 .

The wheel lock mechanism 20 is a mechanism that switches between an unlocked state in which the wheels 120 of the casters 100 are allowed to rotate and a locked state in which the wheels 120 are restricted from rotating. When the wheel lock mechanism 20 is in the unlocked state, the bag 10 can be smoothly moved along the floor surface, and when the wheel lock mechanism 20 is in the locked state, the bag 10 can be prevented from moving unintentionally. can.

The wheel lock mechanism 20 includes a pair of control wires 300 , a bridge member 180 , a biasing member 188 and two rack members 190 . Each member constituting the wheel lock mechanism 20 is made of resin or metal, for example.

The control wire 300 is an elongated member connected to the rotating portion 250 (see FIG. 8) of the handle 200 that functions as the operating portion of the wheel lock mechanism 20. As shown in FIG. The control wire 300 switches between the unlocked state and the locked state of the wheel lock mechanism 20 by being displaced as the rotating portion 250 rotates. This point will be described in detail later.

The control wire 300 has a caster side control wire 310 . The caster-side control wire 310 is a member that constitutes part of the control wire 300 on the side closer to the caster 100 . The caster-side control wire 310 includes an elongated narrow diameter portion 314 having a substantially constant outer diameter and substantially spherical enlarged diameter portions 312 formed at both ends of the narrow diameter portion 314 and having an outer diameter larger than that of the narrow diameter portion 314. and have The caster-side control wire 310 having such a configuration can be produced, for example, by crimping spherical terminals that become the enlarged diameter portions 312 at both ends of the small diameter portion 314 . The lower end of the caster-side control wire 310 passes through the wire through-hole 151 of the body 150 and reaches the bridge accommodation space 152 .

The bridge member 180 is, for example, a substantially rectangular parallelepiped member and accommodated in a bridge accommodation space 152 formed in the body 150 . A pair of guide grooves 181 extending in the vertical direction are formed on the side surface of the bridge member 180 . The bridge member 180 is vertically slidable in the bridge housing space 152 in a state where the guide projections 156 formed on the body 150 are fitted in the respective guide grooves 181 . The biasing member 188 is composed of, for example, a coil spring, and biases the bridge member 180 downward.

The bridge member 180 is formed with a pair of toothed grooves 183 into which one end of the rack member 190 is fitted. A through hole 182 extending in the vertical direction is formed in the bridge member 180 . The inner diameter of the through hole 182 is smaller than the outer diameter of the enlarged diameter portion 312 of the caster-side control wire 310 and larger than the outer diameter of the narrow diameter portion 314 . A narrow diameter portion 314 is inserted into the through hole 182 with the enlarged diameter portion 312 of the caster-side control wire 310 positioned below the bridge member 180 . Since the bridge member 180 is urged downward by the urging member 188, the caster-side control wire 310 is also urged downward by the downward force applied to the enlarged diameter portion 312 from the bottom surface of the bridge member 180. . Also, when an upward force acts on caster-side control wire 310 , enlarged diameter portion 312 exerts an upward force on the bottom surface of bridge member 180 , causing caster-side control wire 310 and bridge member 180 to be biased by biasing member 188 . Move upward against the force.

The rack member 190 is a member having flexibility, and is housed in the rotating member housing space 153 formed in the body 150 so as to face the outer peripheral surface of the gear 144 of the rotating member 140 . A plurality of protrusions (teeth) 192 are formed on the surface of the rack member 190 facing the outer peripheral surface of the gear 144 . Each projection 192 of the rack member 190 is configured to fit into each recess 146 formed on the outer peripheral surface of the gear 144 . Rack member 190 is an example of a linear body in the claims.

One end of the rack member 190 is fixed to the bridge member 180 by fitting one or more projections 192 of the one end into toothed grooves 183 formed in the bridge member 180 . That is, the one end of the rack member 190 is connected to the caster-side control wire 310 via the bridge member 180 . The other end of the rack member 190 is fixed to the body 150 by fitting one or a plurality of protrusions 192 on the other end into a toothed groove 154 formed in the body 150 .

As shown in FIG. 6 , when no upward force is applied to the caster-side control wire 310 , the biasing force of the biasing member 188 positions the bridge member 180 at the lower end of the bridge housing space 152 . At this time, each protrusion 192 of each rack member 190, one end of which is fixed to the bridge member 180, is separated from each recess 146 of each gear 144, and the two are not fitted to each other. In this state, the rotation of each gear 144 is not restricted by each rack member 190 . That is, in this state, the wheel lock mechanism 20 including the rack member 190 is in the unlocked state allowing rotation of the wheel 120 connected to the rotating member 140 including the gear 144 . The position of the caster-side control wire 310 (control wire 300) in the unlocked state is referred to as an unlocked position P1. The unlocked position P1 is an example of a first position in the claims.

As shown in FIG. 7 , when an upward force (arrow D<b>1 ) acts on caster-side control wire 310 , caster-side control wire 310 and bridge member 180 are displaced upward against the biasing force of biasing member 188 . Along with this, a substantially upward force acts on one end of the rack member 190 fixed to the bridge member 180, and the rack member 190 is elastically deformed. The concave portion 146 is fitted. In this state, rack member 190 restricts rotation of gear 144 . That is, in this state, the wheel lock mechanism 20 including the rack member 190 is in a locked state that restricts rotation of the wheels 120 connected to each rotating member 140 including the gear 144 . As described above, the wheel lock mechanism 20 is configured such that the projection 192 is locked as the rack member 190 moves in the direction orthogonal to the rotation axis of the rotating member 140 from the unlocked state in which the projection 192 is separated from the recess 146 . is fitted into the recess 146, the transition to the locked state is made. The position of the caster-side control wire 310 (control wire 300) in the locked state is called a locked position P2. The lock position P2 is an example of a second position in the claims.

When the upward force ceases to act on caster-side control wire 310, as shown in FIG. Each rack member 190 to which one end is fixed deforms such that each protrusion 192 is separated from each recess 146 of each gear 144, and the wheel lock mechanism 20 returns to the unlocked state. In this manner, the wheel lock mechanism 20 moves the rack member 190 in a direction orthogonal to the rotation axis of the rotating member 140 from the locked state in which the protrusion 192 of the rack member 190 is fitted with the recess 146 of the gear 144. As a result, the protrusion 192 is separated from the recess 146, thereby transitioning to the unlocked state.

A-3. Detailed configuration of handle 200 and wheel lock mechanism 20:
Next, detailed configurations of the handle 200 and the wheel lock mechanism 20 (a part of the wheel lock mechanism 20 on the side closer to the handle 200) will be described. 8 is a perspective view showing the external configuration of the handle 200 and the wheel lock mechanism 20, FIG. 9 is an explanatory view showing the rear configuration of the handle 200, and FIG. 10 is a configuration of the handle 200 and the wheel lock mechanism 20. 11 and 12 are explanatory diagrams showing side and cross-sectional configurations of a handle 200 and a wheel lock mechanism 20. FIG. 11 shows the configuration when the wheel lock mechanism 20 is in the unlocked state, and FIG. 12 shows the configuration when the wheel lock mechanism 20 is in the locked state. 11 and 12, column A shows the side structure of the handlebar 200 and the wheel lock mechanism 20 with the cover member 220 described later removed, and column B shows the support end member 230 further described later removed. 9 shows the side structure of the handle 200 and the wheel lock mechanism 20 in the state shown, and column C shows the cross-sectional structure of the handle 200 and the wheel lock mechanism 20 at the position CC of FIG.

As described above, the handle 200 has two pole portions 290 and the handle body portion 210 attached so as to span the upper ends of the two pole portions 290 . The handle body portion 210 has a rotating portion 250 , a support portion 240 , a pair of cover members 220 and a pair of columnar members 270 . 8 and 9, illustration of the cover member 220 is omitted.

The rotating portion 250 is a rod-shaped portion extending in the X-axis direction and functions as a grip portion that is gripped by the user. The rotating portion 250 has a core member 253 and a pair of outer members 258 . The core member 253 is a substantially cylindrical member extending in the X-axis direction, and is formed with a through hole 251 penetrating in the longitudinal direction. The pair of end portions 252 of the core member 253 has a larger outer diameter than the central portion sandwiched between the pair of end portions 252 .

The pair of outer members 258 are attached to the core member 253 while sandwiching the core member 253 from both sides so that the pair of end portions 252 of the core member 253 are exposed. A portion of the rotating portion 250 to which the pair of outer members 258 are attached constitutes a substantially cylindrical portion that is mainly gripped by the user.

At each end 252 of the core member 253, a first concave portion 254 concave in the longitudinal direction of the rotating portion 250 and a wire groove 255 having a portion communicating with the first concave portion 254 and extending in the circumferential direction of the rotating portion 250 are provided. and are formed. A second concave portion 256 that is concave in the radial direction of the rotating portion 250 is formed on the outer peripheral surface of each end portion 252 . A ball spring 260 composed of a coil spring 264 and a spherical body 262 is inserted into the second recess 256 . The ball spring 260 is housed in the second recess 256 when the coil spring 264 contracts, and the tip of the spherical body 262 protrudes from the second recess 256 when the coil spring 264 expands. That is, the ball spring 260 functions as a convex portion that can advance and retreat in the radial direction. The ball spring 260 is an example of a rotation side engaging portion in the claims.

A pair of protruding portions 257 protruding along the longitudinal direction of the rotating portion 250 are formed at the tip of each end portion 252 of the core member 253 . The pair of projecting portions 257 are arranged symmetrically with respect to the central axis of the rotating portion 250 . The cross section of each protrusion 257 is substantially arcuate. The projecting portion 257 is an example of a rotation-side restricting portion in the scope of claims.

The support portion 240 has a shaft member 241 and a pair of support end members 230 . The shaft member 241 is a rod-shaped member extending in the X-axis direction. The shaft member 241 is inserted into a through hole 251 formed in the core member 253 . Both ends of the shaft member 241 protrude from the through holes 251 to the outside.

The pair of support end members 230 are arranged so as to sandwich the shaft member 241 from both ends in the longitudinal direction. Each support end member 230 has a generally cylindrical portion and is positioned over end 252 . In this state, the pair of ends of the shaft member 241 are fixed to the pair of support end members 230 by connecting members 222 such as screws and washers. Thereby, the supporting part 240 supports the rotating part 250 in a rotatable state about the shaft member 241 extending in the X-axis direction.

A first through-hole 231 and a second through-hole 232 arranged in the circumferential direction are formed in the outer peripheral surface of each support end member 230 . The positions of the two through holes 231 and 232 along the X-axis direction match the position of the ball spring 260 along the X-axis direction when the support end member 230 covers the end portion 252 . Also, the inner diameters of the two through holes 231 and 232 are smaller than the outer diameter of the spherical body 262 of the ball spring 260 . Therefore, when the ball spring 260 moves toward the position of the first through hole 231 by rotating the rotating part 250 around the rotation axis, the tip of the spherical body 262 engages (enters) the first through hole 231 (Fig. 11 column C). In this state, the posture of the rotating portion 250 remains unchanged unless a torque greater than or equal to a predetermined value is applied to the rotating portion 250 against the force of the coil spring 264 so that the spherical body 262 can come out of the first through hole 231 . is maintained. Similarly, when the rotating part 250 is rotated and the position of the ball spring 260 moves toward the position of the second through hole 232, the tip of the spherical body 262 is engaged with the second through hole 232 (column C in FIG. 12). ), the attitude of the rotating part 250 is maintained unless a torque greater than a predetermined value is applied to the rotating part 250 . In this way, the engagement between the ball spring 260 and the through holes 231 and 232 realizes the circumferential positioning (angle determination) of the rotating portion 250 accompanied by a so-called click feeling. The first through-hole 231 is an example of a first support-side engaging portion in the claims, and the second through-hole 232 is an example of a second support-side engaging portion in the claims.

Each support end member 230 is formed with a pair of restriction grooves 234 concave in the longitudinal direction of the rotating portion 250 . A pair of regulation grooves 234 are arranged symmetrically with respect to the center of the support end member 230 . Each restricting groove 234 has a substantially arcuate cross-section like the projecting portion 257 of the core member 253 , but its circumference is longer than the projecting portion 257 . When the support end member 230 covers the end portion 252 of the core member 253 , each protrusion 257 is fitted in each regulation groove 234 . When the rotating portion 250 rotates, each protrusion 257 is displaced relative to each restriction groove 234 in the circumferential direction while maintaining a state in which each protrusion 257 is fitted in each restriction groove 234 . Each restriction groove 234 is configured to limit the rotatable range of rotating portion 250 . The rotatable range Z1 (see column A in FIGS. 11 and 12) is defined by the center of the spherical body 262 in the state of entering the first through hole 231 and the center of the shaft member 241 (see column C in FIG. 11) in the cross section of the handle 200. ) and a line connecting the center of the spherical body 262 in the state of entering the second through hole 232 and the center of the shaft member 241 (see column C in FIG. 12). , may be slightly larger than that angle. As a result, the rotation of the rotating portion 250 is permitted within the range Z1, and the rotation of the rotating portion 250 greatly exceeding the range Z1 is restricted by the projections 257. FIG. Each restricting groove 234 is an example of a support-side restricting portion in the claims.

The cover member 220 is a substantially columnar member and is arranged so as to cover the outer periphery of the support end member 230 . As a result, members such as the through holes 231 and 232 and the regulating groove 234 formed in the support end member 230 and the connection member 222 are prevented from being exposed to the outside, thereby simplifying the appearance.

The pair of columnar members 270 are members that extend in the vertical direction, and are arranged below each end portion 252 of the core member 253 of the rotating portion 250 . A guide groove (not shown) is formed in the columnar member 270 , and the columnar member 270 is fixed to the pole portion 290 with a fixing screw 272 while a handle-side control wire 320 , which will be described later, is accommodated in the guide groove. Also, the support end member 230 is fixed to the upper end portion of the pole portion 290 via the columnar member 270 . Thereby, the handle body portion 210 is fixed to each pole portion 290 .

As mentioned above, wheel lock mechanism 20 has a pair of control wires 300 . Each control wire 300 has a handle-side control wire 320 in addition to the caster-side control wire 310 (see FIG. 5, etc.) described above. The handle-side control wire 320 is a member forming part of the control wire 300 on the side closer to the rotating portion 250 of the handle 200 . The handle-side control wire 320 includes an elongated narrow diameter portion 324 having a substantially constant outer diameter and substantially spherical enlarged diameter portions 322 formed at both ends of the narrow diameter portion 324 and having an outer diameter larger than that of the narrow diameter portion 324. and have The handle-side control wire 320 having such a configuration can be produced, for example, by crimping spherical terminals that become the enlarged diameter portions 322 at both ends of the small diameter portion 324 .

The enlarged diameter portion 322 on the upper end side of each handle-side control wire 320 is housed in a first recess 254 formed at each end 252 of a core member 253 that constitutes the rotating portion 250 of the handle 200 . Thereby, the upper end of the handle-side control wire 320 is fixed to the rotating portion 250 . A portion of the small-diameter portion 324 of each handle-side control wire 320 adjacent to the enlarged-diameter portion 322 is accommodated in a wire groove 255 formed in each end portion 252 and extending in the circumferential direction. A portion of the small diameter portion 324 adjacent to the portion housed in the wire groove 255 extends downward through a pair of fixing screws 272 fixed to the columnar member 270 .

Each handle-side control wire 320 is displaced as the rotating portion 250 rotates. Specifically, from the state shown in FIG. 11, that is, the state in which the ball spring 260 is engaged with the first through hole 231, the state shown in FIG. When the rotating portion 250 is rotated in the direction of the arrow D2 to the state, the enlarged diameter portion 322 of the handle-side control wire 320 accommodated and fixed in the first recess 254 moves in the circumferential direction (direction of the arrow D2). Displace. Accordingly, the portion of the small diameter portion 324 of the handle-side control wire 320 wound by the rotating portion 250 (the portion accommodated in the wire groove 255) increases, and as a result, the small diameter portion 324 rotates. A portion near the portion 250 is displaced upward. On the contrary, when rotating part 250 is rotated in the direction opposite to arrow D2 from the state shown in FIG. 12 to the state shown in FIG. 11, enlarged diameter part 322 is displaced along the circumferential direction (direction opposite to arrow D2). do. Accordingly, the portion of the small diameter portion 324 of the handle-side control wire 320 wound by the rotating portion 250 (the portion housed in the wire groove 255) is reduced, and as a result, the small diameter portion 324 rotates. A portion near the portion 250 is displaced downward.

As will be detailed later, each handle-side control wire 320 is connected to each caster-side control wire 310 to form an integrated control wire 300 extending from the rotating portion 250 of the handle 200 to the caster 100 . Therefore, when the portion of the small diameter portion 324 of each handle-side control wire 320 near the rotating portion 250 is displaced upward to the position shown in FIG. acts to displace each caster-side control wire 310 upward. As a result, as described above, the wheel lock mechanism 20 enters a locked state in which the wheels 120 are restricted from rotating. At this time, the positions of the control wires 300 including the handle-side control wire 320 and the caster-side control wire 310 are at the lock position P2.

On the contrary, when the portion of the small diameter portion 324 of each handle-side control wire 320 near the rotating portion 250 is displaced downward to the position shown in FIG. The directional force ceases to act, and each caster-side control wire 310 is displaced downward by the biasing force of the biasing member 188 . As a result, as described above, the wheel lock mechanism 20 enters the unlocked state in which the wheels 120 are allowed to rotate. At this time, the position of the control wire 300 including the handle-side control wire 320 and the caster-side control wire 310 is the unlocked position P1.

Thus, in the luggage 10, the control wires 300 including the handle-side control wire 320 and the caster-side control wire 310 are connected to the rotating portion 250 of the handle 200, and the unlocking position P1 and the lock release position P1 follow as the rotating portion 250 rotates. It is displaced between the lock position P2. Accordingly, the wheel lock mechanism 20 switches between an unlocked state in which the wheels 120 are allowed to rotate and a locked state in which the wheels 120 are restricted from rotating. The amount of displacement of the control wire 300 along the extension direction from the unlocked position P1 to the locked position P2 is, for example, about 5 mm to 20 mm.

A-4. Detailed configuration of the control wire 300:
Next, a detailed configuration of the control wire 300 will be described. 13 and 14 are explanatory diagrams showing the detailed configuration of the control wire 300. FIG. 13 shows the configuration of the control wires 300 in the bag 10 with the handle 200 retracted, and FIG. 14 shows the configuration of the control wire 300 in the bag 10 with the handle 200 pulled out.

Each control wire 300 has a caster-side control wire 310 and a handle-side control wire 320 as well as a wire connector 350 connecting the caster-side control wire 310 and the handle-side control wire 320 .

FIG. 15 is a perspective view showing the external configuration of the wire connector 350. As shown in FIG. FIG. 15 shows an enlarged configuration of the X1 section in FIG. As shown in FIGS. 13 to 15, the wire connector 350 is arranged between the caster-side control wire 310 and the handle-side control wire 320, and includes a handle-side connector 351 and a caster-side connector 352 located below it. and a nut 353 located between the handle-side connector 351 and the caster-side connector 352 . A threaded portion is formed at the upper end of the caster-side connector 352 , and a screw hole is formed at the lower end of the handle-side connector 351 . is joined with. A nut 353 is arranged at a threaded portion between the handle-side connector 351 and the caster-side connector 352 to prevent loosening.

The handle-side connector 351 is formed with a handle-side recess 354 and a wire groove 355 communicating with the handle-side recess 354 and extending upward. The enlarged diameter portion 322 on the lower side of the handle-side control wire 320 is accommodated in the handle-side recess 354 , and the lower end portion of the small-diameter portion 324 of the handle-side control wire 320 is accommodated in the wire groove 355 . there is The handle-side control wire 320 is fixed to the handle-side connector 351 by a fixing screw 356 . Similarly, the caster-side connector 352 is formed with a caster-side concave portion 357 and a wire groove 358 communicating with the concave portion 357 and extending downward. The caster-side concave portion 357 accommodates the upper enlarged diameter portion 312 of the caster-side control wire 310 , and the wire groove 358 accommodates the upper end portion of the small-diameter portion 314 of the caster-side control wire 310 . . The caster-side control wire 310 is fixed to the caster-side connector 352 with a fixing screw 359 . Thus, the caster-side control wire 310 and the handle-side control wire 320 are connected to each other via the wire connector 350 and function as an integrated control wire 300 . The total length of the control wire 300 can be adjusted by adjusting the screwing amount of the caster-side connector 352 with respect to the handle-side connector 351, for example, during manufacture or aging. As a result, the entire length of the control wire 300 can be set to an appropriate length according to the length of the route from the rotating portion 250 of the handle 200 to the caster 100, and the wheel locking mechanism 20 can be reliably locked by rotating the rotating portion 250. state switching can be realized.

As shown in FIGS. 13 to 15, the handle-side control wire 320 is housed in a flexible tubular body 330 except for part of both ends. The tube body 330 is configured by, for example, a metal coil. An upper end portion 332 of the tube body 330 has an enlarged diameter and is fitted and fixed in a recess formed in the columnar member 270 of the handle 200 (see FIGS. 10 to 12). The tube body 330 extends downward through the space inside the pole portion 290 of the handle 200 from the upper end portion 332 , reaches the space inside the bag body 11 from the lower end of the space inside the pole portion 290 , and reaches the space inside the bag body 11 . The inside is extended in a substantially S shape. A lower end portion 334 of the tube body 330 has an enlarged diameter, and is fitted and fixed in a recess formed near the upper portion of the wire connector 350 in the space inside the bag body 11 .

As described above, the pole portion 290 has a telescoping mechanism 292 that can be switched between a retracted state and an extended state. As shown in FIGS. 13 and 14, the tube body 330 is deformed while maintaining the entire length constant as the expansion and contraction mechanism 292 expands and contracts.

For example, in the housed state of the handle 200 shown in FIG. 13, the relatively short portion of the tube body 330 on the side closer to the rotating portion 250 is housed in the space within the pole portion 290, and is not housed in the space. The long portion extends to the lower end portion 334 in a relatively large substantially S-shape in the space inside the bag body 11 . Further, when the handle 200 is stretched as shown in FIG. 14, a relatively long portion of the tube body 330 on the side closer to the rotating portion 250 is accommodated in the space within the pole portion 290, and the comparison is not accommodated in the space. The short portion extends to the lower end portion 334 in a relatively small substantially S shape in the space inside the bag body 11 .

As the expansion and contraction mechanism 292 expands and contracts, the relative position of the rotating portion 250 with respect to each caster 100 (each wheel 120) changes. However, since the tube body 330 deforms while maintaining a constant overall length as the expansion and contraction mechanism 292 expands and contracts, the path length of the control wire 300 (specifically, the handle-side control wire 320) does not change when the handle 200 is in the retracted state. It remains constant regardless of whether it is in the stretched state. Therefore, it is possible to switch the state of the wheel lock mechanism 20 by rotating the rotating portion 250 by a certain amount regardless of whether the handle 200 is in the retracted state or the extended state.

A-5. Effect of this embodiment:
As described above, the bag 10 of this embodiment includes casters 100 having wheels 120 , wheel lock mechanisms 20 , and handles 200 . The wheel lock mechanism 20 has a control wire 300. When the control wire 300 is positioned at the unlocked position P1, the wheel lock mechanism 20 is in an unlocked state allowing rotation of the wheel 120, and when the control wire 300 is positioned at the locked position P2. Then, the wheel 120 is locked from rotating. The handle 200 has a rod-shaped rotating portion 250 and a support portion 240 that supports the rotating portion 250 so as to be rotatable about its longitudinal direction. The control wire 300 is connected to the rotating portion 250 and configured to be displaced between the unlocked position P1 and the locked position P2 as the rotating portion 250 rotates. Therefore, according to the luggage 10 , the wheel lock mechanism 20 can be switched between the unlocked state and the locked state by performing an operation to rotate the rotating portion 250 . Therefore, according to the bag 10, the function as a bag can be realized without requiring an electric part or a power source, and without requiring a dedicated configuration (such as a button switch) for operating the wheel lock mechanism 20. By using the rotating portion 250 of the handle 200 having the configuration of , the switching operation of the wheel lock mechanism 20 can be realized, and the complication of the configuration of the bag 10 can be avoided, and the bag 10 can be simple design can be realized.

The rotating part 250 has a ball spring 260 . The support portion 240 also includes a first through hole 231 that engages the ball spring 260 when the control wire 300 is at the unlock position P1, and an engagement with the ball spring 260 when the control wire 300 is at the lock position P2. and a second through-hole 232 . Therefore, positioning (angle setting) along the circumferential direction of the rotating portion 250 accompanied by a so-called click feeling can be realized, and an improved operational feeling for switching the wheel lock mechanism 20 can be realized. Further, the ball spring 260 is a convex portion that can advance and retreat in the radial direction of the rotating portion 250, and the first through hole 231 and the second through hole 232 are holes that can be engaged with the convex portion, so that the lock mechanism has a simple configuration. With a simple configuration, it is possible to improve the operational feeling described above.

Rotating portion 250 has protrusion 257 . Further, the support portion 240 allows the rotating portion 250 to rotate within a range Z1 from the state in which the ball spring 260 is engaged with the first through hole 231 to the state in which the ball spring 260 is engaged with the second through hole 232. Moreover, it has a restricting groove 234 that restricts the rotation of the rotating part 250 beyond this range Z1 by coming into contact with the protruding part 257 . Therefore, the rotation range of the rotating part 250 can be limited to the range necessary for the switching operation of the wheel lock mechanism 20, and the occurrence of malfunctions of the mechanism caused by the rotation of the rotating part 250 beyond the range Z1 can be suppressed. can do. In addition, since the projecting portion 257 is a projecting portion that projects along the longitudinal direction at the end portion of the rotating portion 250, and the restricting groove 234 is a groove into which the projecting portion 257 is fitted, the lock mechanism can be configured simply. Become. With a simple configuration, it is possible to limit the rotation range of the rotating portion 250 described above.

The luggage 10 further includes a biasing member 188 that biases the control wire 300 toward the unlocked position P1. Therefore, via the control wire 300, the rotating part 250 is biased in such a direction that the wheel lock mechanism 20 is in the unlocked state. Therefore, the force to be applied to the rotating part 250 when the user switches the wheel lock mechanism 20 from the locked state to the unlocked state becomes smaller than the force when switching from the unlocked state to the locked state, and the operability of the bag 10 is improved. can be made

The handle 200 has an extension mechanism 292 that extends and retracts so that the relative position of the rotating portion 250 with respect to the wheel 120 is changed. The bag 10 also includes a tubular body 330 that accommodates at least part of the control wire 300 . As the expansion and contraction mechanism 292 expands and contracts, the tube body 330 deforms while maintaining the entire length constant. Therefore, even if the handle 200 is extended and contracted, the path length of the control wire 300 can be kept constant due to the presence of the tube body 330 . Therefore, the handle 200 can be extended and contracted to improve the operability of the bag 10, and the switching operation of the wheel lock mechanism 20 by the rotating portion 250 of the handle 200 can be realized.

The bag 10 further includes a cover member 220 arranged to cover the support portion 240 . Therefore, in the handle 200, it is possible to prevent the configuration for the switching operation of the wheel lock mechanism 20 from being exposed to the outside, and further simplification of the exterior design of the handle 200 can be realized.

The rotating portion 250 is a grip portion held by the user U. As shown in FIG. Therefore, according to the bag 10, the switching of the wheel lock mechanism 20 is realized by rotating the rotating portion 250 while the user U is holding the rotating portion 250 as the grip portion for holding and transporting the bag 10. The operability of the bag 10 can be further improved.

The wheel lock mechanism 20 has a body 150 , a rotating member 140 and a rack member 190 . The rotating member 140 is supported by the body 150 so as to be rotatable about the rotating shaft, has a concave portion 146 formed in at least a part of the outer peripheral surface about the rotating shaft, and rotates together with the wheel 120 . The rack member 190 is a linear body having a convex portion 192, and is connected to the control wire 300. When the control wire 300 is positioned at the unlocking position P1, the convex portion 192 does not fit into the concave portion 146 and is locked. It is configured such that when the control wire 300 is in the unlocked state and the control wire 300 is positioned at the lock position P2, the projection 192 is fitted into the recess 146 to be in the locked state. Therefore, according to the bag 10, the convex portion 192 is fixed to the concave portion 146, unlike the conventional wheel lock mechanism in which the rotation of the wheel is restricted by inserting the lock pin into the lock hole. It is possible to reduce the fear and prevent troubles in unlocking.

The wheel lock mechanism 20 moves the protrusion 192 from the recess 146 as the rack member 190 moves in the direction orthogonal to the rotation axis of the rotating member 140 from the locked state in which the protrusion 192 is fitted in the recess 146 . It is configured to transition to the unlocked state by separating. Therefore, according to the luggage 10 of the present embodiment, it is possible to reduce the amount of movement of the protrusions 192 when unlocking the wheels 120, reduce the force required to unlock the wheels 120, and can shorten the time required to unlock the

A plurality of recesses 146 are formed in at least a portion of the outer peripheral surface of rotating member 140 , and rack member 190 has a plurality of protrusions 192 that can be fitted into each of the plurality of recesses 146 . Therefore, according to the bag 10, more reliable locking of the wheels 120 can be achieved.

When the wheel lock mechanism 20 is switched from the unlocked state to the locked state, the bag 10 moves the upper surface of the rotating portion 250 from the front side to the back side as indicated by an arrow D2 (see FIGS. 1 and 11). It is configured to rotate the rotating portion 250 in the direction to rotate. In general, as shown in column C of FIG. , as shown in column B of FIG. According to the bag 10, the rotating part 250 is rotated in the direction of the arrow D2 as a natural hand movement following the operation of changing the posture of the bag 10 from the state tilted to the back side to the upright state. The lock mechanism 20 can be switched from the unlocked state to the locked state, and the operability of the bag 10 can be further improved.

Conversely, in the bag 10, when the wheel lock mechanism 20 is switched from the locked state to the unlocked state, the rotating portion 250 is rotated in a direction in which the upper surface of the rotating portion 250 is moved from the back side to the front side. It is In general, the operation to switch from the locked state to the unlocked state is performed by, as shown in column B in FIG. This is often performed immediately before pulling the bag 10 by gripping the handle body 210 while tilting the bag 10 toward the back side. According to the bag 10, the bag 10 is turned to the rear side as a natural hand movement following the operation of switching the wheel lock mechanism 20 from the locked state to the unlocked state by rotating the rotating portion 250 in the direction opposite to the arrow D2. The operation of tilting the bag 10 can be performed, and the operability of the bag 10 can be further improved.

B. Variant:
The technology disclosed in this specification is not limited to the above-described embodiments, and can be modified in various forms without departing from the scope of the invention. For example, the following modifications are possible.

The configuration of the bag 10 and the configuration of the wheel lock mechanism 20 in the above embodiment are merely examples, and various modifications are possible. For example, two casters 100 are attached to the bag 10, but the number of casters 100 attached to the bag 10 may be one, or three or more. Moreover, although each caster 100 has two wheels 120, the number of wheels 120 that each caster 100 has may be one, or three or more.

In the above-described embodiment, the rack member 190 is used as a component of the wheel lock mechanism 20, but instead of the rack member 190, another linear body having a convex portion wound, core wire with one or more spheres attached, etc.) may also be used.

In the above-described embodiment, positioning (angle determination) of the rotating portion 250 along the circumferential direction is realized by engagement between the ball spring 260 on the rotating portion 250 side and the through holes 231 and 232 on the supporting portion 240 side. , the positioning may be realized by another configuration (for example, a configuration in which a concave portion is formed on the rotating portion 250 side and a convex portion that engages with the concave portion is formed on the supporting portion 240 side). Also, the configuration for positioning the rotating portion 250 may be omitted.

In the above embodiment, the rotation of the rotating portion 250 is restricted within the range Z1 by fitting and abutting the projecting portion 257 on the rotating portion 250 side with the restricting groove 234 on the supporting portion 240 side. Alternatively, the restriction may be realized by another configuration, for example, a configuration in which a groove is formed on the rotating portion 250 side and a protrusion that fits and abuts on the groove is formed on the support portion 240 side. Also, the configuration for restricting the rotation of the rotating portion 250 within the range Z1 may be omitted.

In the above embodiment, the biasing member 188 biases the control wire 300 toward the unlocked position P1. good too. Also, the biasing member 188 may be omitted.

In the above embodiment, the control wire 300 is composed of the caster-side control wire 310, the handle-side control wire 320, and the wire connector 350 connecting between the caster-side control wire 310 and the handle-side control wire 320. However, control wire 300 may consist of a single wire. Moreover, the control wire may be in the form of a stranded wire rope as well as a wire such as a metal single wire or strand wire.

In the bag 10, the expansion mechanism 292 of the handle 200, the tube body 330 and/or the cover member 220 may be omitted. Also, in the above-described embodiment, the rotating portion 250 of the handle 200 is a grip portion that is gripped by the user U, but the rotating portion 250 may be provided at another location on the handle 200 .

10: Bag 11: Bag Body 12: Lid 13: Leg 14: Storage Space 20: Wheel Lock Mechanism 100: Caster 110: Cover 112: Fastening Member 120: Wheel 122: Through Hole 130: Bearing Member 140: Rotating Member 142: Shaft 143: Through hole 144: Gear 146: Concave portion 150: Body 151: Wire through hole 152: Bridge accommodating space 153: Rotating member accommodating space 154: Tooth groove 156: Guide convex portion 160: Subbody 162: Through hole 170: Main Body 172: Support shaft 180: Bridge member 181: Guide groove 182: Through hole 183: Tooth groove 188: Biasing member 190: Rack member 192: Projection 200: Handle 210: Handle body 220: Cover member 222: Connection member 230: Support end member 231: First through hole 232: Second through hole 234: Regulating groove 240: Support portion 241: Shaft member 250: Rotating portion 251: Through hole 252: End portion 253: Core member 254: First recess 255: Wire groove 256: Second concave portion 257: Protruding portion 258: Outer member 260: Ball spring 262: Spherical body 264: Coil spring 270: Columnar member 272: Fixing screw 290: Pole portion 292: Telescopic mechanism 300: Control wire 310: Caster side control wire 312: Expanded diameter portion 314: Small diameter portion 320: Handle side control wire 322: Expanded diameter portion 324: Small diameter portion 330: Tube body 332: Upper end portion 334: Lower end portion 350: Wire connector 351: Handle-side connector 352: Caster-side connector 353: Nut 354: Handle-side recess 355: Wire groove 356: Fixing screw 357: Caster-side recess 358: Wire groove 359: Fixing screw

Claims (13)

being a bag,
a bag body;
a handle attached to the bag body;
wheels attached to the bottom of the bag body;
A control wire is provided, and when the control wire is positioned at a first position, an unlocked state permits rotation of the wheel, and when the control wire is positioned at a second position, rotation of the wheel is restricted. A wheel lock mechanism that is in a locked state,
with
The handle is
a rod-shaped rotating part;
a supporting portion that supports the rotating portion so as to be rotatable about the longitudinal direction of the rotating portion;
has
The bag, wherein the control wire is connected to the rotating portion and configured to be displaced between the first position and the second position as the rotating portion rotates. The bag according to claim 1,
The rotating part has a rotating side engaging part,
The support portion includes a first support-side engagement portion that engages with the rotation-side engagement portion when the control wire is at the first position, and a first support-side engagement portion that engages with the rotation-side engagement portion when the control wire is at the second position. and a second supporting side engaging portion that engages with the side engaging portion. The bag according to claim 2,
The rotation-side engaging portion is a convex portion that can move forward and backward in a radial direction of the rotating portion,
The bag, wherein the first support-side engagement portion and the second support-side engagement portion are holes engageable with the projection. The bag according to claim 2 or claim 3,
The rotating part has a rotating side restricting part,
The support portion ranges from a state in which the rotation-side engaging portion is engaged with the first support-side engaging portion to a state in which the rotation-side engaging portion is engaged with the second support-side engaging portion. and a support-side restricting portion that restricts rotation of the rotating portion exceeding the range by coming into contact with the rotation-side restricting portion. The bag according to claim 4,
The rotation-side restricting portion is a protruding portion that protrudes along the longitudinal direction at the end of the rotating portion,
The bag, wherein the support-side restricting portion is a groove into which the projecting portion is fitted. The bag according to any one of claims 1 to 5, further comprising:
A piece of luggage comprising a biasing member biasing the control wire toward the first position. The bag according to any one of claims 1 to 6,
The handle has an expansion and contraction mechanism that expands and contracts so that the relative position of the rotating part with respect to the wheel changes,
The bag further comprises a tube body that accommodates at least a part of the control wire and that deforms while maintaining a constant overall length as the expansion and contraction mechanism expands and contracts. The bag according to any one of claims 1 to 7, further comprising:
A bag comprising a cover member arranged to cover the support portion. The bag according to any one of claims 1 to 8,
The bag, wherein the rotating portion is a grip portion that is gripped by a user. The bag according to any one of claims 1 to 9,
The wheel lock mechanism is
body and
a rotating member that is rotatably supported by the body about a rotating shaft, has a recess formed in at least a portion of an outer peripheral surface about the rotating shaft, and rotates together with the wheel;
A linear body having a protrusion, which is connected to the control wire, and when the control wire is positioned at the first position, the protrusion does not fit into the recess and is in the unlocked state, and the a linear body configured such that when the control wire is positioned at the second position, the convex portion is fitted into the concave portion to be in the locked state;
A bag with The bag according to claim 10,
In the wheel lock mechanism, the protrusion is displaced as the linear body moves in a direction orthogonal to the rotation axis of the rotating member from the locked state in which the protrusion is fitted in the recess. The bag is configured to transition to the unlocked state by moving away from the recess. The bag according to claim 10 or claim 11,
A plurality of recesses are formed in at least a portion of the outer peripheral surface of the rotating member,
The bag, wherein the linear body has a plurality of protrusions that can be fitted into each of the plurality of recesses. The bag according to claim 12,
The bag, wherein the linear body has a rack member formed with a plurality of teeth functioning as the convex portion.

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