JPH082306A - Foot rests used for vehicle seats - Google Patents

Abstract

PURPOSE:To provide a foot rest capable of adjusting its height and securing enough space close to feet when it is housed. CONSTITUTION:This foot rest is provided with a step 20 which stops the rising of a pin which decides the housings position A above a swing arm, a use position B at a lower position, a use position C at a middle position, a step 21 which stops the lowering of the pin and a step 22 which holds the intermediate part of the pin. It is also provided with a guide groove 23 which guides a lock pin 13, a lower guide face 24 which guides the lock pin 13 from the use position B below the guide groove 23 to the intermediate use position C, and an upper guide face 25 which guide the lock pin 13 from the intermediate use position C to the upper use position A. It includes a positioning cam 15 which is fixedly arranged on the front side of the seat cushion frame corresponding to the lock pin 13 and a snap action stopper 16 which stops the returning motion of the lock pin 13 when the lock pin 13 is moved to the step 21 which stops the lowering of the pin.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION This invention relates to foot rests for use in vehicle seats.

[0002]

[Background Art] In recent sightseeing buses, a footrest tends to be provided on the seat, but the height of use cannot be adjusted according to the height of passengers, and the entire footstep is stored on the back of the seat when it is stored. Since it was folded into a seat leg on the back side, it was not possible to secure sufficient foot space, and as a result, the foot step had to be manufactured with a small footrest area.

[0003]

SUMMARY OF THE INVENTION An object of the present invention is to make it possible to adjust the use height, to secure a sufficient space for the feet when storing, to widen the foot resting area, and to easily operate it. Providing foot rests used for vehicle seats.

[0004]

Means corresponding to the object and the operation thereof
A swing arm that connects the root to the front side of the seat cushion frame of the seat cushion in a vertically swingable manner and extends the tip toward the rear side of the seat cushion, and is supported by the tip of the swing arm. Lever swing arm upper storage position, lower use position,
And a foot step that is moved to an intermediate use position, a lock pin that is supported on the swing arm at the root side so as to be appropriately movable in the length direction, and that lock pin is always A tension spring that pulls in the forward direction of the seat cushion and a pin up stop, a pin down stop, and a pin that determine the upper retracted position, the lower used position, and the intermediate used position of the swing arm. A guide groove for guiding the lock pin from its upper storage position to its lower use position, and its lower guide position for guiding its lock pin from its lower use position to its intermediate use position. A guide surface and an upper guide surface for guiding the locking pin from an intermediate use position to a storage position thereabove, and Positioning cam fixedly located in front of the seat cushion frame corresponding to the lock pin and detents the lock pin when the lock pin is moved to the downstop stage of the pin Including a snap action stopper, and storing most of the foot step downward on the rear side of the seat cushion so that the front end of the foot step protrudes to the rear of the seat cushion. This is where it can be operated with the foot and the working height can be adjusted by operating the foot.

[0005]

DESCRIPTION OF SPECIFIC EXAMPLES The footrest used in the vehicle seat according to the present invention will be described below based on the specified and illustrated specific examples. FIGS. Specific examples 10 and 10 of the foot rest used for the vehicle seat of the present invention applied to the left and right seats 31 and 31 of the seat 30 are shown. In the foot rests 10 and 10, the swing arm 11 is the base. Is connected to the front side of the seat cushion frame 34 of the seat cushion 32 so as to be swingable in the vertical direction so that the front end extends to the rear side of the seat cushion 32, and the foot step 12 causes the swing arm to move. 11
Swing arm 11 fixedly supported at the tip of the
Is moved to the upper storage position A, the lower use position B, and the intermediate use position C, and further, the lock pin 13 is appropriately provided in the longitudinal direction of the swing arm 11 on the base side of the swing arm 11. Furthermore, the tension spring 14 always pulls the lock pin 13 toward the front side of the seat cushion 32, and the positioning cams 15 and 15 are retracted above the swing arm 11. A position A, a lower use position B, and an intermediate use position C that determine the pin rising stop stages 20 and 20, the pin descending stop stages 21 and 21, and the intermediate support stages 22 and 22 of the pin, and above them. The lock pin 13 from the storage position A to the use position B therebelow.
Guide grooves 23, 23, lower guide surfaces 24, 24 for guiding the lock pin 13 from a use position B thereunder to a use position C in the middle thereof, and a use position C above the middle use position C. Lock pin 13 in storage position A
An upper guide surface 25, 25 for guiding the vehicle, and is fixedly arranged on the front side of the seat cushion frame 34 corresponding to the lock pin 13, and furthermore, the lock pin 13 is Downstop 2 of that pin
When moved to 1, 21, the snap action stoppers 16, 16 are about to detent their lock pin 13.

The swing arm 11 is hinged with a pin 18 to a hinge bracket 17 whose root is welded to the front frame member 35 of the seat cushion frame 34, while its tip is elongated. A plate (not shown) is welded orthogonally to the axis and the foot step 12 is screwed to the elongated plate. In this way, the swing arm 11 is assembled with the foot step 12 in a T-shape, and is vertically swung in the space formed below the seat cushion 32 by the left and right seat legs 37, 37. Then, a sufficient foot space is secured for a passenger who is hung on another two-seat seat immediately after the two-seat seat 30.

The foot step 12 has a shallow rectangular recess (not shown) on its upper surface, and an anti-slip cover (not shown) is fitted and adhered to the shallow rectangular recess. In particular, this foot step 12 is attached to the tip of the swing arm 11 in a T-shape to allow a wide footrest area.

The lock pin 13 is attached to the swing pin.
The base side of the arm 11 is fitted in the left and right long holes 19 and 19 which are extended and opened in the lengthwise direction on both sides, and both ends are projected to the both sides so that the long hole 1
Swing arm 11 that can be moved into 9, 19
Supported by.

As the tension spring 14, a coil spring is used, and one end thereof is hooked on the pin 18 of the hinge bracket 17 and the other end is hooked on the lock pin 13, respectively, so that the tension spring 14 always has its slot 19, 1
9, the lock pin 13 is pulled toward the hinge bracket 17 side, and the lock pin 1
3 can be engaged with the positioning cam 15.

The positioning cam 15 is formed integrally with the hinge bracket 17. Of course, the positioning cam 15 is simultaneously pressed when the hinge bracket 17 is punched from a steel plate by a press and bent. In this case, in the positioning cam 15, the intermediate support steps 22 and 22 of the pin are bent and raised at the lower ends of the upper guide surfaces 25 and 25 and protrude to the upper guide surfaces 25 and 25.

The snap action stopper 1
6 and 16 use leaf springs, and
In the positioning cams 15, 15, the guide grooves 23,
It is fixedly fixed to the lower end of 23 with rivets 26, 26.

Further, in the two-seat seat 30 utilizing the foot rests 10, 10, 33 is a seat back and 36 is a side cover.

Next, the operation of the foot rest 10 will be described. The foot rest 10 is normally
As shown in FIG. 1, the swing arm 11 is swung to the uppermost position, and the lock pin 13 is lifted by the tension spring 14 to prevent the pin from rising.
Since it is engaged with the seats 0 and 20, it is held in its stowed position A, and the tip portion of the foot step 12 projects to the rear of the seat cushion 31.

Then, when the passenger pushes down the tip portion of the foot step 12 with his foot against the tension spring 14, the swing arm 11 is swung downward, and accordingly, the lock Since the pin 13 is moved to its guide groove 23, 23, gets over the snap action stoppers 16, 16 and engages with the downward stop steps 21, 21 of the pin, the swing arm 11 is at the lowest position. It is rocked and stopped so that its foot rest 10 is held in its lower use position B, and its passengers rest their feet on their foot steps 12 and their double seat 30.
You will be able to sit on another two-seat seat immediately after.

When the passenger pushes up the tip of the foot step 12 with his / her foot against the tension spring 14, the swing arm 11
Is swung upwards and, accordingly, its lock pin 1
3 is disengaged from the downstops 21, 21 of the pin and is moved upwards along the lower guide surfaces 24, 24 to ride over the intermediate support stage 22, 22 of the pin and to reach the intermediate support stage of the pin. Since it is engaged with the pins 22 and 22 and supported by the intermediate support stages 22 and 22 of the pins, the swing arm 11 is swung to an intermediate position and stopped,
As a result, the foot rest 10 is retained in its intermediate use position C, and adapted to the passenger's requirements.

After use, the passenger pushes up the tip portion of the foot step 12 with his foot against the tension spring 14, and the swing arm 11 is swung further upward. The locking pin 13 is disengaged from the intermediate support step 22, 22 of the pin and moved further upward along the guide surface 25, 25 above it, and the stop stop step 20, 20 of the pin
Being engaged with the swing arm 11, the swing arm 11 is swung to the uppermost position and stopped, so that the foot
The rest 10 is held in the storage position A above it.

In this way, this foot rest 10
Is easily operated and can be used according to the height of the passenger. Also, since the tension spring 14 acts on the lock pin 13, the swing
The arm 11 is prevented from rattling due to the vibration of the sightseeing bus.

As will be apparent from the specific embodiments of the invention described above with reference to the drawings, those of ordinary skill in the art to which the invention pertains are subject matter of the invention. Is the nature of the invention (na
It is easily embodied in other embodiments that are derived from the true) and substance and that are objectively recognized as having them internalized. Of course, the contents of the present invention are indispensable for the establishment of the invention corresponding to the subject of the invention.

[0019]

As will be understood from the above, the foot rest used in the vehicle seat of the present invention has the root connected to the front side of the seat cushion frame of the seat cushion so as to be vertically swingable. Swing arm that extends the tip to the rear of the seat cushion,
A foot step supported by the tip of the swing arm and moved to an upper storage position, a lower use position, and an intermediate use position by the swing arm, and the swing step at the root side of the swing arm. A lock pin that is supported by the arm so that it can move in the appropriate lengthwise direction, a tension spring that constantly attracts the lock pin toward the front of the seat cushion, and a retracted position above the swing arm and a lower position. Position of use,
And a stop stop for the pin that determines the intermediate use position, a stop stop for the pin, and an intermediate support stage for the pin, which locks it from its upper storage position to its lower use position.
A guide groove for guiding the pin, a lower guide surface for guiding the lock pin from its lower use position to its intermediate use position, and a lower guide face for guiding the lock pin from its intermediate use position to its upper storage position And a positioning cam fixedly arranged on the front side of the seat cushion frame corresponding to the lock pin, and the lock pin is moved to the descent stop of the pin. Since it includes a snap action stopper that detents the lock pin when it is operated, the footrest used in the vehicle seat of the present invention can be adjusted in height and can be used by passengers and passengers. It becomes possible to adapt to the height, and the footrest area can be widened so that the occupant / passenger can have a comfortable sitting posture, and the operation is easy and Sometimes foot space is sufficient, as a result, wagon cars, tourist buses, long-distance bus, and high-way bus is a very useful practical course of that railway vehicles, ships, for such aircraft.

[Brief description of drawings]

FIG. 1 is a foot used for a vehicle seat of the present invention.
It is the fragmentary perspective view which looked at the two-seater seat of the sightseeing bus to which the specific example of the rest is applied from the rear.

2 is a partially exploded perspective view of the footrest as applied to the two-seat seat shown in FIG.

3 is a side view of the footrest locating cam-hinge bracket shown in FIG. 2 in relation to a lock pin.

[Explanation of symbols]

 11 Swing Arm 12 Foot Step 13 Lock Pin 14 Tension Spring 15 Positioning Cam 16 Snap Action Stopper

Claims (3)

[Claims] 1. A swing arm having a root connected to a front side of a seat cushion frame of a seat cushion so as to be swingable in a vertical direction and a front end extending to a rear side of the seat cushion, and a swing arm thereof. Foot step supported by the tip of the swing arm and moved to the upper storage position, the lower use position, and the middle use position by the swing arm, and the length of the swing arm at the root side of the swing arm. Direction, and a tension spring that constantly pulls the lock pin toward the front of the seat cushion, a retracted position above the swing arm, a use position below, and Equipped with a pin rising stop step, a pin falling stop step, and an intermediate support step for the pin that determine the intermediate use position, A guide groove for guiding the lock pin from its upper storage position to its lower use position, a lower guide surface for guiding the lock pin from its lower use position to its intermediate use position, and its middle A positioning cam having an upper guide surface for guiding the lock pin from a use position to a storage position thereabove and fixedly arranged on the front side of the seat cushion frame corresponding to the lock pin. A foot rest used in a vehicle seat that includes a lock action pin, and a snap action stopper that detents the lock pin when the lock pin is moved to a downstop stage of the pin. 2. The intermediate support step of the pin projects in the guide surface above it in the positioning cam.
Foot rests used for the vehicle seats described in. 3. A foot rest for use in a vehicle seat according to claim 1, wherein the snap action stopper is made of a leaf spring.