JP2012136223A5

JP2012136223A5 -

Info

Publication number: JP2012136223A5
Application number: JP2012098031A
Authority: JP
Filing date: 2012-04-23
Publication date: 2012-09-13
Anticipated expiration: 2021-03-23

Claims

In a stroller with a U-shaped barb that can be swung back and forth so that the barb can be used in a face-to-face or back-side state,
A caster holder fixed to the lower part of the front leg and the rear leg, and provided with a lock member that can slide up and down on the side part;
A caster shaft provided with a recess for selectively engaging the lock member when a front wheel or a rear wheel is directed in a straight traveling direction;
Both ends are connected to the front leg side and rear leg side lock members, respectively, and lead wires inserted into the front legs and rear legs,
A lock switching operation member slidably mounted on the front leg;
It is possible to move up and down together with the lock switching operation member in the front leg, and a connecting tool to which a lead wire inserted into the front leg and the rear leg is connected,
By sliding the lock switching operation member, the front wheel side or the rear wheel side lock member is selectively engaged with a recess provided on a corresponding caster shaft,
The caster shaft that supports the front wheel is provided below the caster holder, and is slidable in the vertical direction with respect to the caster holder.
On the caster shaft that supports the front wheel, a position fixing pin is provided so as to freely advance and retract,
A recessed groove that engages with the position fixing pin when the caster shaft slides downward with respect to the caster holder in the caster holder that engages with the caster shaft that supports the front wheel. Is provided,
The stroller characterized in that rotation of the caster shaft with respect to the caster holder is restricted by the engagement between the position fixing pin and the concave groove.

The lead wires inserted into the front legs and the rear legs are connected by a coupling tool, and a locking member on the front leg side is attached upward between the coupling tool and the front legs via the lead wires inserted into the front legs. The stroller according to claim 1, wherein a spring is provided.

In a stroller with a U-shaped barb that can be swung back and forth so that the barb can be used in a face-to-face or back-side state,
A caster holder fixed to the lower part of the front leg and the rear leg, and provided with a lock member that can slide up and down on the side part;
A caster shaft provided with a recess for selectively engaging the lock member when a front wheel or a rear wheel is directed in a straight traveling direction;
Lead wires inserted through the front and rear legs;
A lock switching operation member slidably mounted on the front leg;
It is possible to move up and down together with the lock switching operation member in the front leg, and a connecting tool to which a lead wire inserted into the front leg and the rear leg is connected,
The lead wire extends between the locking member on the front leg side and the coupling tool, and between the locking member on the rear leg side and the coupling tool,
By sliding the lock switching operation member, the front wheel side or the rear wheel side lock member is selectively engaged with a recess provided on a corresponding caster shaft,
The caster shaft that supports the front wheel is provided below the caster holder, and is slidable in the vertical direction with respect to the caster holder.
On the caster shaft that supports the front wheel, a position fixing pin is provided so as to freely advance and retract,
A recessed groove that engages with the position fixing pin when the caster shaft slides downward with respect to the caster holder in the caster holder that engages with the caster shaft that supports the front wheel. Is provided,
The stroller characterized in that rotation of the caster shaft with respect to the caster holder is restricted by the engagement between the position fixing pin and the concave groove.

The lock switching operation member is provided with a projecting piece that is pressed by the push bar when the hand bar is swung forward, and slides the lock switching operation member downward. The stroller according to any one of 1 to 3.

The hand barb has a protrusion abutting against the protrusion of the lock switching operation member,
5. The stroller according to claim 4, wherein the protrusion protrudes from the hand bar toward a direction intersecting a longitudinal direction of the hand bar at a position where the protrusion is provided. .

The locking member is incorporated in a side portion of the caster holder when sliding upward, and protrudes downward from a lower portion of the caster holder when sliding downward, and is provided below the caster holder. Engaged with the recessed portion of the caster shaft,
The stroller according to any one of claims 1 to 5, wherein the lock member does not protrude laterally from the periphery of the caster holder.

The engagement between the lock member of the caster holder and the recess of the caster shaft is released when the caster shaft slides downward with respect to the caster holder. The stroller according to any one of 6 above.

The caster shaft that supports the rear wheel is restricted from rotating with respect to the caster holder when the hand barb swings backward. The stroller as described in the item.

  In a foldable baby stroller that is mounted so that it can swing back and forth in the shape of a U-shape, and can be used with the handclaw fixed to the facing state or the back state,
  A pair of left and right armrests;
  A pair of left and right front legs pivoted at the upper end to the armrest;
  A pair of left and right rear legs pivoted at the upper end to the armrest;
  A pair of left and right pipes pivotally attached to the rear end of the armrest;
  A pair of left and right rear leg support members fixed to the lower part of the pipe;
  A pair of left and right connecting bars extending between the middle part of the front leg and the rear leg support member and swingable with respect to each of the middle part of the front leg and the rear leg support member;
  A pair of left and right brackets pivotally attached to the rear leg and the rear leg support member,
  The stroller is pivotally attached to a portion of the rear leg support member that extends beyond the rear leg toward the front leg in a side view when the stroller is deployed.

  In a foldable baby stroller that is mounted so that it can swing back and forth in the shape of a U-shape, and can be used with the handclaw fixed to the facing state or the back state,
  Armrests,
  A front leg pivotally attached to the armrest at the upper end;
  A rear leg pivotally attached to the armrest at the upper end;
  A pipe pivotally attached to the rear end of the armrest;
  A rear leg support member fixed to the lower part of the pipe;
  A connecting bar extending between the middle part of the front leg and the rear leg support member and swingable with respect to each of the middle part of the front leg and the rear leg support member;
  A bracket pivotally attached to the rear leg and the rear leg support member,
  The stroller is pivotally attached to a portion of the rear leg support member that extends beyond the rear leg toward the front leg in a side view when the stroller is deployed.

  In a foldable baby stroller that is mounted so that it can swing back and forth in the shape of a U-shape, and can be used with the handclaw fixed to the facing state or the back state,
  A pair of left and right armrests;
  A pair of left and right front legs pivoted at the upper end to the armrest;
  A pair of left and right rear legs pivoted at the upper end to the armrest;
  A pair of left and right pipes pivotally attached to the rear end of the armrest;
  A pair of left and right rear leg support members fixed to the lower part of the pipe;
  A pair of left and right connecting bars extending between the middle part of the front leg and the rear leg support member and swingable with respect to each of the middle part of the front leg and the rear leg support member;
  A pair of left and right brackets pivotally attached to the rear leg and the rear leg support member,
  The stroller is characterized in that a pivot point of the push bar to the rear leg support member is located between the front leg and the rear leg in a side view when the stroller is deployed.

  In a foldable baby stroller that is mounted so that it can swing back and forth in the shape of a U-shape, and can be used with the handclaw fixed to the facing state or the back state,
  Armrests,
  A front leg pivotally attached to the armrest at the upper end;
  A rear leg pivotally attached to the armrest at the upper end;
  A pipe pivotally attached to the rear end of the armrest;
  A rear leg support member fixed to the lower part of the pipe;
  A connecting bar extending between the middle part of the front leg and the rear leg support member and swingable with respect to each of the middle part of the front leg and the rear leg support member;
  A bracket pivotally attached to the rear leg and the rear leg support member,
  The stroller is characterized in that a pivot point of the push bar to the rear leg support member is located between the front leg and the rear leg in a side view when the stroller is deployed.