EP3853099A1 - Transport device, in particular pushchair - Google Patents
Transport device, in particular pushchairInfo
- Publication number
- EP3853099A1 EP3853099A1 EP19742750.3A EP19742750A EP3853099A1 EP 3853099 A1 EP3853099 A1 EP 3853099A1 EP 19742750 A EP19742750 A EP 19742750A EP 3853099 A1 EP3853099 A1 EP 3853099A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- transport device
- turntable
- activation
- locking device
- blocking member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/0026—Propulsion aids
- B62B5/0033—Electric motors
- B62B5/0036—Arrangements of motors
- B62B5/0046—One motor drives two wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/04—Braking mechanisms; Locking devices against movement
- B62B5/0404—Braking mechanisms; Locking devices against movement automatic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/04—Braking mechanisms; Locking devices against movement
- B62B5/0433—Braking mechanisms; Locking devices against movement foot operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
- B62B5/04—Braking mechanisms; Locking devices against movement
- B62B5/0457—Braking mechanisms; Locking devices against movement by locking in a braking position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/08—Braking mechanisms; Locking devices against movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/08—Braking mechanisms; Locking devices against movement
- B62B9/082—Braking mechanisms; Locking devices against movement foot operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
- B62B9/08—Braking mechanisms; Locking devices against movement
- B62B9/087—Braking mechanisms; Locking devices against movement by locking in a braking position
Definitions
- the present invention relates to a transport device, in particular a pram, with at least three wheels and with a handle for a user, at least one wheel being designed as a drive wheel with an associated electric drive unit, in order to at least partially in an operating state to enable electromotive support of a manual pushing or pulling operation of the transport device by a user, and wherein the at least one drive wheel is assigned a locking device with at least one blocking member, the at least one blocking member being designed to rotate the at least one in a blocking state Prevent drive wheel.
- a transport device designed as a stroller which has an electric drive for active electromotive pushing or pulling support of a user.
- a stroller has at least three wheels and a handle for a user. Of the at least three wheels, at least one wheel can be driven as a drive wheel by means of an electric drive unit.
- the present invention provides a transport device, in particular a stroller, with at least three wheels and with a handle for a user, at least one wheel being designed as a drive wheel with an associated electrical drive unit in order to provide at least partial electromotive support in an operating state to enable manual pushing or pulling operation of the transport device by a user, and wherein the at least one drive wheel is assigned a locking device with at least one blocking member, wherein the at least one blocking member is designed to rotate at least one in a blocking state to prevent a drive wheel.
- At least two activation devices are assigned to the locking device.
- a first activation device is designed for automatic, electromagnetic activation of the locking device
- a second activation device is designed for manual activation of the locking device by a user.
- the invention thus makes it possible to provide a transport device with a locking device, in which a simple and compact structure can be made possible by the two activation devices of the locking device.
- a safe and reliable transport device can thus be provided, since an uncontrolled movement of the transport device can be prevented.
- the assigned electric drive unit is preferably arranged in a housing, the housing having a first, non-rotating housing part arranged on the transport device, and a second housing part rotatably connected to the first housing part, the locking device corresponding to this is assigned to the first housing part, and wherein the at least one blocking member is designed to prevent rotation of the second housing part in the blocking state.
- a suitable arrangement of the locking device can thus be made possible in a simple manner.
- the at least one blocking member can preferably be at least partially positively engaged with an engagement geometry provided on the second housing part, and the engagement geometry is preferably designed in the manner of a bolt circle. A secure and robust locking of the blocking member can thus be made possible.
- a turntable wherein the at least one blocking member can be moved axially into the locked state or a released state by rotating the turntable.
- the turntable preferably has a bevel at its end facing the at least one blocking member, the at least one blocking member moving axially when the turntable rotates along the bevel. It is thus possible in a simple manner to apply the blocking member to the blocking state, regardless of which activation device activates the locking device.
- the first activation device preferably has a cylinder magnet which is supplied with current and can be controlled by a control device, the cylinder magnet being designed to rotate the turntable. Activation of the locking device by the first activation device can thus be made possible safely and reliably.
- the second activation device preferably has a pedal unit with a manually operated pedal and a swivel axis, the swivel axis being rotationally connected to the pedal and the turntable.
- the swivel axis is connected at its free end to a swivel lever which is arranged in the radial direction of the swivel axis relative to the swivel axis, the turntable being connected to the pedal on facing end has a receptacle, and wherein the pivot lever for rotating the turntable is arranged at least in sections in the receptacle. A rotation of the turntable can thus be made possible safely and reliably by the second activation device.
- An axle receptacle is preferably provided which has an inner receptacle for arranging the free end of the pivot axis and the pivot lever. It is thus possible to easily turn the turntable through the pivot axis.
- the turntable is preferably arranged on an outer circumference of the axle receptacle. A space-saving arrangement of the turntable can thus be made possible.
- the second activation device is preferably designed to enable a user-initiated transition of the at least one blocking member from the release state into the blocking state by transferring the pedal into a blocking position by the user.
- the locking device can thus be activated manually.
- a transition from the locked state to the released state can preferably only be carried out by actuating the second activation device, in particular by transferring a pedal assigned to the second activation device by a user into a release position.
- An unwanted release of the locking device can thus be prevented, in particular by an incorrect determination of a state of the transport device by a control device assigned to the transport device.
- an axle unit is provided with two drive wheels which are connected to one another via an axle, the at least one swivel axle being arranged within the axle, and when the locking device is activated, both drive wheels can be blocked simultaneously by the at least one swivel axle.
- a safe transport device can be provided in a simple manner, in which an wanted movement can be prevented by blocking both drive wheels.
- FIG. 1 is a schematic side view of an exemplary transport device designed as a stroller
- FIG. 2 is a perspective view of an axle unit associated with the transport device of FIG. 1 with a locking device
- FIG. 3 shows a section of an exploded view of the axle unit from FIG. 2 to clarify the locking device
- FIG. 4 shows a perspective view of the locking device from FIG. 3 assigned to the axle unit, FIG.
- FIG. 5 shows a perspective view of the locking device from FIG. 4 with a first and second activation device
- FIG. 6 shows a perspective view of the locking device from FIG. 5 in a locked state
- FIG. 7 is a perspective view of the locking device of FIG. 5 and FIG.
- the stroller 102 preferably has at least three wheels 120, 122, 124 for movement on a surface 116.
- the stroller 102 can also have four wheels. At least one of the preferably three wheels 120, 122, 124 is preferably designed as a drive wheel 130, 132. Each drive wheel of the drive wheels 130, 132 is preferably assigned an electronic drive unit 140, 142, which is designed to drive the respective drive wheel.
- the two illustratively rear wheels 122, 124 of the stroller 102 are preferably designed as drive wheels 130, 132.
- the drive wheels 130, 132 can each be driven independently of one another by means of an electrical drive unit 140 or 142.
- the drive units 140, 142 are preferably arranged in a housing (239 in FIG. 2).
- the stroller 102 essentially moves along a pushing or pulling direction 114 in relation to a base 116.
- the stroller 102 preferably has an electronic control and / or regulating device 160.
- the electronic control and / or regulating device 160 for controlling and / or regulating the two provided as examples is preferably Drive units 140, 142 are formed.
- each drive unit 140, 142 can also have its own electronic control and / or regulating device 160.
- the electrical drive units 140, 142 are preferably implemented in a gearless manner by means of permanently excited DC motors.
- the drive units 140, 142 each have an electronically commutated motor with a rotor (320 in FIG. 3) and a stator (330 in FIG. 3).
- the transport device 100 has a locking device 150 assigned to the two drive wheels 130, 132 provided here by way of example.
- the locking device 150 is preferably designed to lock or block at least one drive wheel 130, 132.
- the locking device is preferably designed to lock both drive wheels 130, 132. In this case, unlocking of the locking device 150 is preferably only possible by the user.
- FIG. 2 shows an axle unit 230 assigned to the transport device 100 from FIG. 1, which preferably has the two drive wheels 130, 132.
- the two drive wheels 130, 132 are connected to one another by their drive units 140, 142 via an axis 260.
- the axis unit 230 has a first, illustratively left axial end 231 and a second, illustratively right axial end 232.
- the drive wheel 130 with its drive unit 140 is arranged at the first end 231 of the axle unit 230 and the drive unit 142 of the drive wheel 132 is arranged at the second end 232 of the axle unit 230.
- the axle unit 230 is preferably arranged on the chassis 106 of the transport device 100 or of the stroller 102.
- the chassis 106 preferably has connecting elements 211, 212 which are designed to connect a wheel 120, 122, 124, in particular a drive wheel 130, 132, to the transport device 100.
- the connecting elements 21 1, 212 preferably have an elongated base body with a first end 213 facing the transport device 100 and an opposite free end 214 facing the respective wheel 120, 122, 124.
- the connecting elements 211, 212 are preferably each connected at their second end 214 to the axle unit 230 via a fastening element 222.
- the transport device 100 preferably has a central electrical power supply 217.
- the power supply is preferably designed as a battery unit.
- the battery unit 217 is preferably arranged on the chassis 106, and particularly preferably on one of the connecting elements 21 1, 212.
- the battery unit 217 is arranged on the illustratively left connecting element 21 1 via a holding plate 215.
- the battery unit 217 preferably has an on / off switch 218, which is designed to activate the power supply.
- the battery unit 217 preferably has a connection port 219 for connecting the transport device 100 to an external device, for example a smartphone.
- the battery unit 217 is preferably connected via an electrical connection 220 to at least one nem drive wheel 130, 132 connected. According to one embodiment, the two drive wheels 130, 132 are connected to the battery unit 217, an electrical connection being arranged within an axis 260 assigned to the axis unit 230.
- the respectively assigned electric drive unit 140, 142 is arranged in a housing 239.
- the housing 239 preferably has a first, non-rotating housing part 237, which is arranged on the transport device 100, and a second housing part 236, which is connected to the first housing part 237 such that it can rotate.
- the locking device 150 is preferably assigned to the first housing part 237.
- the locking device 150 in particular a blocking member (350 in FIG. 3) assigned to the locking device 150, is preferably designed to prevent rotation of the second housing part 236 in a locked state.
- both drive wheels 130, 132 are preferably blocked at the same time when the locking device 150 is activated.
- a drive wheel 130 preferably has a rim 235 with a tire 234.
- the rim 235 is preferably arranged on the second housing part 236.
- a pedal unit 250 with a manually operated pedal 251 is preferably provided.
- the pedal unit 250 is preferably arranged between the two drive wheels 130, 132 or the drive units 140, 142.
- the pedal unit 250 is preferably integrated in the axle 260 of the axle unit 230.
- the pedal unit 250 is preferably fixed to the axis 260 by two pedal supports 252, 253.
- the two pedal brackets 252, 253 are preferably connected to one another, for example via a screw connection.
- the pedal brackets 252, 253 are preferably connected to the axle 260 via a connection, for example a screw connection.
- the axis 260 and the pedal supports 252, 253 are preferably connected to one another in a rotationally fixed manner.
- a pivot axis (355 in FIG. 3) is preferably arranged within the axis 260, which is preferably designed as a tube, and is pivotally connected to the pedal 251.
- FIG. 3 shows the axle unit 230 with the drive unit 140, the pedal unit 250, and the axle 260 from FIG.
- the locking device 150 is preferably assigned at least one blocking member 350. At least one blocking member 350 is preferably assigned to each drive wheel 130, 132. The at least one blocking member 350 is preferably designed to prevent rotation of the at least one drive wheel 130, 132 in a blocked state.
- the locking device 150 is preferably assigned at least two activation devices 366, 367.
- a first activation device 366 is preferably designed for the automatic, electromagnetic activation of the locking device 150, and a second activation device 367 is designed for manual activation of the locking device 150 by a user.
- the locking device 150 is preferably assigned to the first housing part 237, the at least one blocking member 350 being designed to prevent rotation of the second housing part 236 in the blocked state.
- the second housing part 236 has a preferably cylindrical base body 310 with an engagement geometry 313.
- the engagement geometry 313 is preferably arranged on a flange 311 formed radially in the center on the base body 310.
- the base body 310 and the flange 311 are preferably formed in one piece, but can also be made via any connection, e.g. a screw connection.
- the engagement geometry 313 is preferably formed on a side of the second housing part 236 facing the pedal unit 250.
- the engagement geometry 313 is preferably designed in the manner of a bolt circle.
- the bolt circle preferably has a plurality of recesses 312.
- the blocking member 350 can preferably be brought into positive engagement with the engaging geometry 313 at least in some areas in the blocked state.
- the drive unit 140, 142 preferably has an electronically commutated motor with a rotor 320 and a stator 330.
- the rotor 320 is connected to the second housing part 236.
- the second housing part 236 or the cylindrical base body 310 preferably has an inner receptacle to the arrangement of the rotor 320.
- the rotor 320 preferably has a large number of permanent magnets 322.
- the permanent magnets 322 are preferably evenly spaced from one another on the circumference and arranged radially inward on the inner receptacle.
- the stator 330 is preferably connected to the first housing part 237 via a stator carrier 340.
- the stator carrier 340 preferably has a large number of electrical windings 332 and is connected in a rotationally fixed manner to the chassis 106 of the stroller 102.
- the electrical windings 332 are preferably arranged on a winding support 331.
- the individual windings 332 are preferably connected together to form a motor winding via an interconnection plate 335.
- the interconnection plate 335 is arranged on an end of the stator 330 facing the first housing part 237.
- the stator carrier 340 also has a preferably cylindrical bearing section 339, via which the stator carrier 340 is centered in the first housing part 237.
- the stator carrier 266 has, for example, a cup-shaped base body 341, which extends in the direction of the second axial end 232 of the axis unit 230 via a base surface 349 of the base body 341 facing the second end 232 reduced to a cylindrical recording area 339.
- the cylindrical receiving region 344 is preferably designed to support the stator 330 or the stator carrier 340 in the axis 260 assigned to the transport device 100.
- the stator 330 or the stator carrier 340 is preferably connected to the first housing part 237 via a screw connection.
- the stator carrier 340 can also be connected to the first housing part 237 via any other connection.
- the cylindrical receiving area 344 preferably has an inner receptacle, which is preferably designed for the arrangement of an axle pin.
- the first housing part 237 preferably has a cup-shaped base body with an inner receptacle and an axial extension formed in the direction of the first end 231 of the axle unit 230.
- An electronics unit 370 is preferably arranged in the interior receptacle.
- the Electronics unit 370 has at least one printed circuit board 370 with at least one sensor element.
- the first housing part 237 has a cover plate 375 which is designed to protect the electronics against the ingress of moisture and / or particles.
- the at least one sensor element is a magnet sensor.
- the at least one sensor element is preferably arranged in the axial extension of the first housing part 237.
- the sensor element Depending on a ring magnet 399 assigned to the second housing part 236, the sensor element generates a signal assigned to the drive unit 140, 142, in particular a signal for controlling the drive unit 140, 142.
- the stator carrier 340 preferably has a receptacle 342 on its bottom surface 349 formed in the radial direction 303.
- the receptacle 342 is preferably designed as a recess and is designed to receive the axial extension of the first housing part 237.
- the axial widening penetrates the receptacle 342.
- the axial widening and the receptacle 342 are preferably arranged concentrically with the receiving region 344.
- the bottom surface 349 preferably has a recess 343 for receiving the blocking member 350 at least in sections.
- the blocking member 350 is arranged such that it can be guided in the recess 343 via a guide sleeve (451 in FIG. 4). It is pointed out that the locking device 150 can also have more than just one blocking member 350.
- a turntable 360 is provided.
- the turntable 360 preferably has a cylindrical base body with an inner receptacle 363 and an extension section 364 directed radially outward.
- the expansion section 364 preferably has a bevel 361 at its end facing the first end 231 or the blocking member 350. At its end facing the second end 232, the expansion section 364 illustratively has a receptacle 362.
- the blocking member 350 is preferably axially movable into the blocking state or a release state by rotating the turntable 360.
- the blocking member 350 is preferably designed to be spring-loaded.
- the turntable 360 is preferably spring-loaded in the locked state.
- the blocking member 350 preferably moves axially along the bevel 361 when the turntable 360 rotates.
- the second activation device 367 preferably has the pedal unit 250 with the manually operated pedal 251 and a pivot axis 355. There is preferably a mechanical connection between the blocking member 350 and the pedal 251.
- the pivot axis 355 preferably has an elongated base body with a first end 301 facing the blocking member 350 and a second end 302 facing the pedal unit 250.
- the pivot axis 355 is preferably arranged within the preferably tubular axis 260.
- Two pivot axes 355 are preferably provided, one pivot axis 355 being assigned to a drive wheel 130, 132.
- a pivot axis 355 is preferably arranged between the turntable 360 and the pedal unit 250, the two pivot axes 355 preferably being connected to one another via the pedal 251.
- only one swivel axis 355 can also be provided, which connect the two drive wheels 130, 132 or the turntables 360 assigned to the respective drive wheel 130, 132 to one another and are connected to the pedal unit 250 or to the pedal 251 such that they can rotate.
- the pivot axis 355 or the pivot axes are preferably rotatably connected to the pedal 251 and the turntable 360.
- the two pedal brackets 252, 253 form an interior receptacle 392.
- the pivot axis 355 is preferably arranged in sections in the inner receptacle 392 at its second end 302.
- the pedal 251 is preferably assigned a rotary take-over element 393 which is designed to transmit a movement of the pedal 251 to the pivot axis 355.
- the pivot axis 355 is rotatably connected to the pedal 251 via the rotary take-over element 393.
- the free end 301 of the pivot axis 355 is preferably connected to a pivot lever 385 which is arranged in the radial direction 303 of the pivot axis 355 relative to the pivot axis 355.
- the pivot lever 385 is preferably arranged at least in sections in the receptacle 362 of the turntable 360.
- an axle receptacle 382 with a preferably cylindrical base body which has an inner receptacle 386 for arranging the free end 301 of the pivot axis 355 and the pivot lever 385.
- the pivot axis 355 and the pivot lever 385 are preferably connected to one another via a screw connection.
- the pivot axis 355 and the pivot lever 385 can also be formed in one piece.
- the axle receptacle 382 preferably has a recess 383 on its outer circumference 387, in which the pivot lever 385 is arranged.
- the turntable 360 is preferably arranged on the outer circumference 387 of the axle receptacle 382, in particular at an end of the axle receptacle 382 facing the first end 231.
- the second activation device 367 is preferably designed to enable a user-initiated transition of the at least one blocking member 350 from the release state into the blocking state by transferring the pedal 251 into a blocking position on the user side.
- a transition from the blocked state to the released state can preferably only be carried out by actuating the second activation device 367. This is preferably done by a user transferring the pedal 251 assigned to the second activation device 367 into a release position.
- the first activation device 366 preferably has an energized cylinder magnet 368 for the automatic activation of the locking device 150.
- the cylinder magnet 368 is preferably arranged on the stator carrier 340 via a holding device 365.
- the cylinder magnet 368 is arranged on the stator carrier 340 in such a way that it releases or obstructs the turntable for rotation.
- the energized cylinder magnet 368 is preferably controllable via a control device 160.
- the cylinder magnet 368 is preferably designed to rotate the turntable 360.
- FIG. 4 shows the axis unit 230 from FIGS. 2 and 3 with the locking device 150 and illustrates the arrangement of the preferably two pivot axes 355 between the respective turntable 360 and the pedal unit 250.
- the first end 301 of the pivot axis 355 is arranged in a recess 411 of the rotary take-over element 393.
- the pivot axis 355 forms a positive connection with the recess 41 1.
- the preferably two rotary takeover elements 393 are preferably arranged in a sleeve 420.
- the sleeve 420 is preferably connected to the pedal 251 or can be formed in one piece with it.
- the guide sleeve 451 is arranged in the recess 343 of the bottom surface 349 of the stator carrier 340, the stator carrier 340 not being shown for the sake of clarity in the drawing.
- the guide sleeve 451 preferably has plastic.
- the spring element 435 also shows a spring element 435 assigned to the turntable 360.
- the spring element 435 is arranged in the inner receptacle 363 of the cylindrical base body of the turntable 360.
- the spring element 435 is preferably arranged in the inner receptacle 363 in an intermediate space which is formed between the turntable 360 and the axle receptacle 382.
- the spring element 435 is preferably designed as a torsion spring.
- FIG. 5 shows the axis unit 230 with the locking device 150 from FIG. 4 when the locking device 150 is triggered electromechanically or when the first activation device 366 triggers.
- the illustratively left-hand cylinder magnet 368 is released by the control device 160, the cylinder magnet 368 being released or a plunger assigned to the cylinder magnet 368 moves along an arrow 51 1.
- the illustrative left turntable 360 is thereby released.
- the turntable 360 preloaded by the spring element 435 from FIG. 4 preferably rotates in the direction of an arrow 512 or in the counterclockwise direction into the blocking position.
- the blocking member 350 is acted upon axially into the engaging geometry 313 of the second housing part 236 along the slope 361 or in the direction of an arrow 513.
- the pivot axis 355 is rotated at the same time due to the arrangement of the pivot lever 385 on the turntable 360
- Rotary take-over element 393 rotates with the pivot axis 355 and the pedal 251 is thereby moved into the blocking position.
- the pedal 251 By moving the pedal 251, the illustratively right pivot axis 355 is preferably rotated simultaneously with the illustratively left pivot axis 355, the illustratively right turntable 360 rotating in the direction of arrow 512 into the blocking position and thereby blocking element 350 along slope 361 of FIG Turntable 360 is applied in the blocking position or in the engagement geometry 313 of the second housing part 236.
- FIG. 6 shows the axle unit 230 with the locking device 150 from FIG. 4 when the locking device 150 is triggered mechanically or when the second activation device 367 is triggered.
- the pedal 251 is moved in the direction of an arrow 61 1 by a user of the stroller 102 .
- the two pivot axes 355 rotate and the turntables 360 are released, as a result of which the turntables 360 preferably turn into the blocking position or in the direction of the arrow 512 through the respective spring elements 435.
- the blocking members 350 are preferably axially loaded into the engaging geometry 313 of the respective second housing parts 236 along the slopes 361 or in the direction of the arrow 513.
- FIG. 7 shows the axle unit 230 with the locking device 150 from FIGS. 4 to 6 when the locking device 150 is mechanically released.
- the pedal 251 is moved by a user of the stroller 102 in the direction of an arrow 71 1.
- the direction of the arrow 711 is preferably opposite to the direction of the arrow 611 of FIG. 6.
- the two pivot axes 355 and the turntables 360 preferably rotate in the direction of an arrow 712 or, illustratively, clockwise.
- the blocking members 350 are released, whereby they move along the bevel 361 or in the direction of an arrow 713 into the release position.
- the blocking members 350 preferably move in the axial direction or along the arrow 713 from the engagement geometries 313 of the respective second housing parts 236.
- the movements or the directions of the arrows 512, 513, 611, 711, 712, 713 can also take place in the opposite directions.
- rotating the turntable 360 in the direction of arrow 712, or illustratively clockwise can move the locking device 150 into the blocking position
- rotating the turntable 360 in the direction of arrow 512, or illustratively counterclockwise can Move locking device 150 into the release position.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Handcart (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018216005.8A DE102018216005A1 (en) | 2018-09-20 | 2018-09-20 | Transport device, especially a stroller |
PCT/EP2019/069700 WO2020057810A1 (en) | 2018-09-20 | 2019-07-22 | Transport device, in particular pushchair |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3853099A1 true EP3853099A1 (en) | 2021-07-28 |
Family
ID=67402947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19742750.3A Withdrawn EP3853099A1 (en) | 2018-09-20 | 2019-07-22 | Transport device, in particular pushchair |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3853099A1 (en) |
CN (1) | CN112996710A (en) |
DE (1) | DE102018216005A1 (en) |
WO (1) | WO2020057810A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113978539A (en) * | 2020-07-09 | 2022-01-28 | 明门瑞士股份有限公司 | Baby carriage brake mechanism and baby carriage with same |
WO2024062402A1 (en) * | 2022-09-21 | 2024-03-28 | Howard Wright Limited | A castor control system |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6817451B1 (en) * | 2003-04-02 | 2004-11-16 | Hung-Tsun Chen | Brake system for a running stroller |
EP2289763A3 (en) * | 2009-08-31 | 2014-05-28 | Graco Children's Products Inc. | Stroller brake |
CN201961360U (en) * | 2011-01-08 | 2011-09-07 | 中山市隆成日用制品有限公司 | Electronic brake device of baby carrier |
CN103072615B (en) * | 2012-02-16 | 2015-08-19 | 中山市隆成日用制品有限公司 | Perambulator induction type brake system |
DE202013101948U1 (en) * | 2013-05-06 | 2013-05-27 | Siegfried Isele | Powered stroller with safety device |
US8991838B2 (en) * | 2013-05-23 | 2015-03-31 | Lerado (Zhong Shan) Industrial Co., Ltd. | Stroller frame with an automatic brake mechanism actuatable by hand detecting |
WO2016013534A1 (en) * | 2014-07-23 | 2016-01-28 | 株式会社村田製作所 | Push cart |
US9656682B2 (en) * | 2014-10-10 | 2017-05-23 | Eli Ahlemeier | Motorized stroller system and apparatus |
US9738300B2 (en) * | 2014-10-14 | 2017-08-22 | Yordan Georgiev | Carrying apparatus |
CN104401381B (en) * | 2014-11-14 | 2017-04-05 | 好孩子儿童用品有限公司 | A kind of electric brake mechanism and perambulator |
CN204488883U (en) * | 2015-01-26 | 2015-07-22 | 昆山威凯儿童用品有限公司 | The brake system of doll carriage |
CN204775408U (en) * | 2015-05-22 | 2015-11-18 | 好孩子儿童用品有限公司 | Push cart for children |
CN205706825U (en) * | 2016-03-24 | 2016-11-23 | 宁波爱贝丽运动用品有限公司 | A kind of brake gear of doll carriage |
CN105774888A (en) * | 2016-03-24 | 2016-07-20 | 宁波爱贝丽运动用品有限公司 | Brake device for baby stroller |
JP6798899B2 (en) * | 2017-02-10 | 2020-12-09 | ニューウェルブランズ・ジャパン合同会社 | Wheel structure and wheelbarrow with it |
-
2018
- 2018-09-20 DE DE102018216005.8A patent/DE102018216005A1/en active Pending
-
2019
- 2019-07-22 EP EP19742750.3A patent/EP3853099A1/en not_active Withdrawn
- 2019-07-22 CN CN201980075977.0A patent/CN112996710A/en active Pending
- 2019-07-22 WO PCT/EP2019/069700 patent/WO2020057810A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO2020057810A1 (en) | 2020-03-26 |
CN112996710A (en) | 2021-06-18 |
DE102018216005A1 (en) | 2020-03-26 |
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