JPH082307A - Foot rest used for vehicle seat - Google Patents

Abstract

PURPOSE:To adjust the height for use and secure a space around feet by supporting a lock pin by means of a tension spring which presses the lock pin against a lock pin positioning cam face, and providing a release mechanism which separates the lock pin from the intermediate supporting step of the pin of the positioning cam. CONSTITUTION:A lock pin 13 is movably supported on the root side of a swing arm 11, and a positioning cam 14 is provided with a cam face 20 having a pin ascending stop step 21, a pin descending stop step 22, and a pin intermediate support step 23, which determine a housing position A above the swing arm 11, a use position B at a lower position and a use position C at a middle position. The lock pin 13 is all the time pressed to the cam face 20 by means of a tension spring to be supported. A release mechanism 16 is supported on the swing arm 11 to separate the lock pin 13 from the pin intermediate support step 23 of the positioning cam 14 to make the swing arm 11 selectably swingable to the upper housing position A and the lower use position B so that the height for use can be adjusted by foot.

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 the seat cannot be adjusted according to the height of passengers, and the entire footstep is stored on the back of the seat when stored. Since it could be folded into a seat leg on the back side, sufficient foot space could not be secured, 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 the tip portion behind the seat cushion. A foot step that is fixedly supported at the tip of the swing arm and a lock pin that is supported on the swing arm at the root side so as to be movable in the length direction as appropriate, A cam surface having an up stop stage of the pin, a down stop stage of the pin, and an intermediate support stage of the pin, which determine an upper retracted position, a lower use position and an intermediate use position of the swing arm, and A locating cam fixedly arranged on the front side of the seat cushion frame corresponding to the lock pin, and its position Wherein a tension spring for pressing the click pin to the cam surface of the positioning cam, a is supported by the swing arm from the intermediate support step of the pin of the positioning cam and release mechanism to disengage the locking pin,
Then, the foot step and the release mechanism can be operated by the foot so that the use height can be easily adjusted.

[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 in a vertically swingable manner to extend to the rear side of the seat cushion 32, and the foot step 12 causes the seat cushion 32 of the seat cushion 32 to move. The tip of the swing arm 11 is protruded rearward and is supported by the tip of the swing arm 11, and the lock pin 13 is attached to the swing arm 11. On the root side, it is supported by the swing arm 11 so as to be movable in the longitudinal direction as appropriate, and the positioning cams 14, 14 are further provided with a storage position A above the swing arm 11, a use position B below, and an intermediate position. Pin stop stages 21, 2 that determine the use position C of the
1, a cam surface 20, 20 having a pin stop stop 22, 22, and an intermediate support step 23, 23 for the pin, and corresponding to its locking pin 13 the front side of its seat cushion frame 34 The tension spring 15 is always fixed in its lock position.
The pin 13 is attached to the positioning cams 14, 14 of the cam surface 20,
20 and, further, the release mechanism 16 is supported on the swing arm 11 to support the positioning cam 14 thereof.
The locking pin 1 from the intermediate support step 23, 23 of the pin
3 is removed so that the swing arm 11 can be selectively swung to the upper storage position A and the lower use position B.

The swing arm 11 is hinged by 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.

The positioning cams 14, 14 are formed integrally with the hinge bracket 17. Of course,
The positioning cams 14, 14 are simultaneously pressed when the hinge bracket 17 is punched from a steel plate by a press and bent.

As the tension spring 15, 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 elongate hole 19 is always provided. 1
9, the lock pin 13 is pulled toward the hinge bracket 17 side, and the lock pin 1
3 is engaged with the cam surfaces 20, 20 of the positioning cams 14, 14.

The release mechanism 16 has the lock pin 1
3 and a seesaw switch lever 24, which is supported on the swing arm 11 so as to be swingable in the front-back direction by a pin 27 at an appropriate distance from the tip end side of the swing arm 11, and the seesaw switch lever. It is assembled with a link rod 25 connecting 24 to its lock pin 13 and a foot pedal 26 fixedly attached to its seesaw switch lever 24, and is easily operated by the foot. In particular, in this release mechanism 16, its link rod 25 is connected to the lower end of its seesaw switch lever 24, while its foot pedal 2
A reference numeral 6 extends from the upper end of the seesaw switch lever 24 above the swing arm 11 so that it can be easily operated by a foot.

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 engaged by the tension springs 15 with the ascending steps 21, 21 of the pin of the positioning cam 14. Therefore, it is held in the storage position A, and the tip portion of the foot step 12 is projected to the rear of the seat cushion 32.

Then, when the passenger pushes down the tip portion of the foot step 12 with his foot against the tension spring 15, the lock pin 13 causes the lock pin 13 of the positioning cam 14, 14 to move up the pin 21. 21, the swing arm 11 is swung downward, and the lock pin 13 is moved by the positioning cam 14,
It is engaged with 14 intermediate support stages 23, 23. As such, the lock pin 13 has its intermediate support stage 23,
Swing arm 1 because it can be engaged with 23
1 is no longer swinging downward and its foot rest 10
Is held in the intermediate use position C. Thus, the passenger can rest his foot on the foot step 12 and seat in another two-seat seat immediately following the two-seat seat 30.

When the passenger depresses the foot pedal 26 of the release mechanism 16 with his foot, the lock pin 1 is released.
3 is an intermediate support stage 2 for the pins of the positioning cams 14, 14.
3 and 23, the swing arm 11 is swung downward by the weight of itself and the foot step 12, and accordingly, the lock pin 13 of the positioning cam 14 and 14 of the positioning cam 14, 14 is stopped. , 22. So that lock pin 13
Is engaged with the downstops 22,22,
The swing arm 11 is not swung downward, and the foot rest 10 is held in the use position B therebelow. As such, the foot rest 10 can be easily manipulated by the foot and used according to the height of the passenger.

The foot rest 10 is also easily returned from the use position B below it to the storage position C above it by pushing up the tip portion of the foot step 12 with its foot. As such, in this foot rest 10, in addition to being easy to operate, the tension spring 15 acts on the lock pin 13, so that the swing arm 11 rattles due to the vibration of the tourist bus. Is prevented in advance.

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 have the 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.

[0018]

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 that protrudes to the rear of the seat cushion and is fixedly supported by the tip of the swing arm, and at the root side of the swing arm, moves appropriately to the swing arm in the length direction. A lock pin that is supported and its swing arm upper retracted position, lower use position, and intermediate use position that determine the pin up stop, pin down stop, and intermediate pin support. 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 constantly pressed against the cam surface of the positioning cam. The tension spring and its swing arm support the locking pin from the intermediate support stage of the pin of the positioning cam. Because it contains a release mechanism to remove the, at the foot rest to be used in a vehicle seat of the present invention,
The height of use can be easily adjusted with the foot, and the use can be adapted to the height of the occupant / passenger, and the footrest area can be widened to allow the occupant / passenger to have a comfortable sitting posture, And it is easy to operate, and enough space for the feet is secured when it is stored. As a result, not only wagon cars, sightseeing buses, long-distance buses, and highway buses but also rail cars, ships, aircraft, etc. Very useful and practical for

[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.

FIG. 3 is a side view of the foot rest shown in FIG.

[Explanation of symbols]

 11 Swing Arm 12 Foot Step 13 Lock Pin 14 Positioning Cam 15 Tension Spring 16 Release Mechanism

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 tip extending to a rear side of the seat cushion, and the seat cushion. Of the foot step that protrudes to the rear of the swing arm and is fixedly supported by the tip of the swing arm, and is supported by the swing arm at the root side of the swing arm so as to be movable in the length direction as appropriate. Cam surface with a locking pin and an up stop stop for the pin, a down stop for the pin, and an intermediate support for the pin that determine the upper retracted position, lower use position, and intermediate use position of the swing arm. And a positioning cam fixedly arranged on the front side of the seat cushion frame corresponding to the lock pin. , A vehicle that includes a tension spring that constantly pushes the lock pin against the cam surface of the positioning cam, and a release mechanism that is supported by the swing arm to disengage the lock pin from the intermediate support stage of the pin of the positioning cam. Foot rests used for seats. 2. A seesaw switch lever, the release mechanism of which is swingably supported in the front-rear direction on the swing arm at a proper distance from the lock pin to the tip side of the swing arm. A foot rest for use in a vehicle seat according to claim 1 assembled with a link rod connecting the seesaw switch lever to the lock pin. 3. A seesaw switch lever whose release mechanism is supported by the swing arm so as to be swingable in the front-rear direction at appropriate intervals from the lock pin on the tip side of the swing arm. A link rod connecting the seesaw switch lever to the lock pin and a foot pedal fixedly attached to the seesaw switch lever.
Foot rests used for the vehicle seats described in.