JPH06239283A - Phase conversion pedal for reducing bicycle parking breadth - Google Patents

Abstract

PURPOSE:To reduce parking space by dividing a crank arm into a crankshaft fixing section and a pedal arm fixing section for a screw joint, and twisting the pedal arm section by 90 degrees. CONSTITUTION:The torsional turn of a pedal arm 4 is prevented by the pressed engagement of the pyramid end 10 of a crank arm turning section 18 and a compression spring 9. When a bicycle is parked, the spring 9 is compressed by operating a stopper 8 using fingers, a control knob or the like, until the pyramid end 10 is released. Thereafter, the spring 9 is coupled to a foot stopper 8, thereby ending a pedal shrinkage operation. Before travel, a foot pedal 1 in parking state is twisted by 90 degrees and turned. The pedal 1 can be thereby restored to a normal travel condition.

Description

Detailed Description of the Invention

[0001]

[Industrial field of use] Space-saving parking at the side of a narrow entrance such as homes and condominiums By increasing the pitch, the capacity can be increased by 40% or more of various existing bicycle parking facilities

[0002]

2. Description of the Related Art There are two types of a car body with a handle removed and a bicycle race disassembling and assembling type, but there is no one-touch reduction system for space saving bicycle petal width.

[0003]

[Problems to be Solved by the Invention] When a bicycle is brought into a house at the entrance of a house, a small condominium, a corridor of an apartment, a entrance, or the like, a valuable living space is a handle width 55 cm, a petal width 40 cm, and a swing 35.
It is necessary to significantly alleviate the feeling of pressure that is restricted to ~ 38 cm. With two units in parallel, the handle width can be reduced to a 45 cm pitch with a vertical difference of 15 cm between the front wheels, but since the petal cranks during manual retraction, the foot petal interference space must be secured completely.

[0004]

[Means for Solving the Problems] Even when the petal arm is easily expanded and contracted, a fitting taper portion is provided so as not to cause looseness that may cause anxiety of running when the petal is driven, and the petal arm is tightly positioned when normally deployed. And Push the positioning taper part against the compression spring,
With a single touch of turning the foot petal upright or directly below, the foot petal has a length of 10 cm and a total of 20 cm on both sides can be easily reduced. In order to suppress the looseness of the crank body and petal arm connection as much as possible, the screw part has a structure that is sufficiently long for the phase change 1/4 turn of the petal, and it is a simple and robust one-touch operation type. A form in which the foot petal shaft is simply folded 90 degrees to the crank shaft side has been added.

[0005]

[Embodiment] Since the petal crank cranks even when the bicycle is manually retracted, it is not possible to perform local height difference processing due to front wheel steps like the steering wheel. Even if the steering wheel width is reduced, petal width measures should be neglected. It is not possible to achieve the space-saving advantage of accommodating inside the house entrance or bringing in a condominium such as an apartment or an apartment. The present invention is a separate application for our company. With the reduction of the handle width, the current bicycle pitch 45c.
By adopting a vertical shopping basket, the parking pitch is 30 to 25 cm.
It is possible to improve the parking efficiency on the plane by 40%. First, the screw coupling type crank body according to claim 1 will be described with reference to FIGS. The foot petal is screwed into the petal attachment part of the petal arm and fixed with the set screw, and the left and right petal crank connecting parts are screwed together and securely integrated with the crank frame by the set bolt (11). Has a taper four-sided arcuate quadrilateral cross section that aims to tightly fix the petal arm and slide system with a small diameter, and the length of the arm guide is set to a margin that allows the taper to slide completely away. When the compression is made more than the length of the taper portion, the arm guide portion can turn within the compression space of the compression spring in the crank arm. In the petal arm, when the foot petal is turned upright or right below, the arm guide part is fitted and slid with the crank frame while the taper guide part is sliding forward and backward, and the spring guide at the tip is in pressure contact with the crank connecting part via the compression spring. The set bolt (11) surely prevents the crank connecting portion and the screwed fixing portion of the crank frame from rotating and is integrally configured. To reduce the size, slide the foot petal in the direction of the crank connecting part beyond the length of the taper guide part against the compression spring, and at the same time erect or swivel 90 degrees and release it to reduce the petal width. , The foot petal is returned to the origin by sliding while keeping it upright or downright, and the operation is completed. Similarly, when the foot petal is expanded for traveling drive, it can be expanded to the normal position by a 90-degree restoring turn after being compressed by the length of the taper portion or more. "Fig. 2" is a side view and "Fig. 3" shows the phase immediately after the phase shift of the foot petal of Fig. 1 upright retreating 90 degrees. When the foot petal is released and the petal arm is released from compression, "Fig. 3" is displayed. And the rear end of "Fig. 1". As described above, the taper guide part completely eliminates the anxiety of loosening during driving of the foot petal, and one-touch operation is possible with the compression spring. The crank body shown in Figs. 1 to 3 "has a basic structure based on a one-touch upright or direct swivel retracting concept with a foot petal in which a crank connecting portion and a crank frame are securely screwed into a set bolt type by a set bolt (11). . Next, one crank body type will be described with reference to FIGS. The crank body in FIGS. 1 to 3 has a crank connecting portion and a crank frame that are screwed together, whereas FIGS. 4 to 8 each have a single body type. The screwed petal arm (15) has a long threaded portion for tightly coupling with the crank body (12), and the rear end is provided with a truncated pyramid portion (17) fitted with a petal arm rotation stopper (14). The front end is provided with a petal mounting part for mounting a foot petal at a right angle to the lengthwise direction of the petal arm and for fixing and fixing the foot petal. Petal arm rotation stopper ▲ 14
▼ is a crank body ▲ 12 ▼ slides two parallel stopper guides ▲ 13 lightly, equipped with a truncated pyramid ▲ 17 ▼ of a screw-in type petal arm ▲ 15 and a tight fitting portion, and the tip is a compression spring. The normal phase of the foot petal is firmly secured by constantly restricting the rotation of the screw-in type petal arm (15) via the stopper guide (13). Next, the operation for reducing the petal width of the one-piece crank body will be described. When the petal width is reduced as in the split body connection type shown in FIGS. 1 to 3, the stopper knob (16) of the arm rotation stopper (14) is pulled up against the compression spring, and the truncated pyramid (17). After the fitting is released, the foot petal is screw-rotated 90 degrees upward or downward to change the 90-degree phase with the petal arm rotation stopper ▲ 14 and restore the fitting with the truncated pyramid ▲ 17 ▼, and the petal width is reduced. When the operation is completed and normal deployment for petal drive is performed, it is the reverse operation. Next, a simplified crank body 1 body will be described with reference to FIG. Screw type petal arm ▲
The crank body (12) and the screw-in type petal arm (15) are substituted by the positioning pin (19) without forming the truncated pyramid portion (17) at the tip of the (15). To reduce the foot petal, use the stopper knob ▲ 1
6) is lifted up, the crank body (12) and the petal mount are integrated by the positioning pin (19), the foot petal is gripped, and the screw-type petal arm (15) is turned 1/4 to reduce the operation. Ends. For the normal running operation for traveling, if the positioning pin (19) is again pulled up and inserted into the pin fitting hole (24), the foot petal is normally deployed. Next, the folding format will be described with reference to FIGS. 7 and 8. In contrast to the 1/4 turn torsional swivel type of the screw type petal arm (15) perpendicular to the foot petal rotation axis shown in "Figs. 4 to 6,""Figs. 7 and 8" maintain the foot petal rotation function of the petal mounting shaft. It has a folding joint (18) to fold it side by side with the crank body. The folding joint (18) is composed of a Y-shaped metal fitting (20), an I-shaped metal fitting (21) and a joint pin (22). Foot petal and crank body (12)
Fixed end Y-shaped metal fitting ▲ 20 and petal side I-shaped metal fitting ▲ 2
When connecting 1) and joint pin (22), the axial center of the foot petal and the turning center that folds secondary to the crank body (12) are eccentric to stabilize the foot petal so that the phase does not change due to abnormal vibration during driving. I am trying to When reducing the petal width, use a foot petal crank body ▲
When it is folded along side 12, it is clamped by a light panel fitting with a leaf spring clamper 23 formed on the crank body 12. For normal deployment, simply turn the foot petal downward. Although there are other application formats, illustration is omitted.

[0006]

[Effects of the Invention] Even in a narrow entrance without petal interference, there is no feeling of pressure to accommodate one vehicle, it contributes to the effective use of sidewalk passages as well as the improvement of living space. It is possible to reduce the equipment pitch to almost half.

[Brief description of drawings]

1 is a plan view of a screw-connected crank body type foot petal

[Fig.2] Side view of reduced-width foot petal

[Fig. 3] Side view of a screw-coupled crank body type foot petal immediately after turning upright.

FIG. 4 is a plan view of a crank body one-body type petal upright turning.

FIG. 5: Side view related to “FIG. 4”

FIG. 6 is a side view of a petal for fixing the crank body one-piece screwed petal arm with a positioning pin on a side surface of the crank body.

FIG. 7 is a front view of a petal of a crank body monolithic petal with the mounting shaft folded.

8 is a side view of the petal shown in FIG. 7 being normally deployed.

[Explanation of symbols]

 1 foot petal 2 crank connecting part 3 crank frame 4 petal arm 5 petal mounting part 6 taper guide part 7 arm guide part 8 spring guide 9 compression spring 10 petal fixing screw 11 set bolt 12 crank body 13 stopper guide 14 petal arm turning stopper 15 screw type petal arm 16 stopper knob 17 truncated pyramid 18 folding joint 19 positioning pin 20 Y-shaped metal fitting 21 I-shaped metal fitting 22 joint pin 23 leaf spring clamper 24 pin fitting hole

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[Procedure amendment]

[Submission date] September 29, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction content]

[Document name] Statement

[Title of Invention] Phase-shifting petal with reduced parking width

[Claims]

Detailed Description of the Invention

[0001]

[Industrial field of use] Space-saving parking at the side of a narrow entrance such as homes and condominiums By increasing the pitch, the capacity can be increased by 40% or more of various existing bicycle parking facilities

[0002]

2. Description of the Related Art There are two types of a car body with a handle removed and a bicycle race disassembling and assembling type, but there is no one-touch reduction system for space saving bicycle petal width.

[0003]

SUMMARY OF THE INVENTION It is an object of the home front door inside the housing, narrow apartment, further petal Su <br/> grayed and bring the bicycle to the apartment hallway or entrance such as valuable residential space is the handle width of about 55cm and petal width 40cm It is necessary to relieve the oppressive feeling restricted by 38 cm or the like . Handle Width with two parallel rationalization facility is able Osamuyaku to 45cm pitch front wheel height difference 15cm, petals to the crank pivot upon manual operation backward, Futopetaru interference space must be completely secure. For looseness with anxiety and discomfort, "backlash" structure and operation wear
Therefore, the structure should be light so that there is no "play" . One-touch operation that anyone can easily do is possible
And .

[0004]

[Means for Solving the Problems] Crank arms are provided on the crankshaft fixed side and the petal arm side.
It is composed of 1 split screw connection , and the connection part is easy to operate and flat.
It is a fixed type with a standard 1/4 twist rotation petal arm . In order to suppress the looseness of the crank coupling side and the petal arm coupling as much as possible, the screw part has a structure long enough for the phase shift 1/4 twist rotation of the petal, and it is a simple and robust one-touch operation type.

[0005]

[Embodiment] The petal crank cranks even when the bicycle is manually retracted, so it is not possible to perform local height difference simultaneous processing related to front wheel step differences like the steering wheel, and even if the steering wheel width is reduced, petal width measures are neglected. As a result, it is not possible to achieve the advantage of saving space when accommodating inside a home entrance or bringing in a condominium, apartment, etc.
The present invention makes it possible to have a parking pitch of 30 to 25 cm by using the vertical baggage basket together with the existing parking pitch of 45 cm in addition to the handle width expansion / contraction opening / closing of our company, and to improve the flat parking efficiency by 40%. First, the crank arm of claim 1.
About the pyramid stopper type of the split screw connection part
3 ”. The foot petal is screwed into the petal attachment part of the petal arm and further fixed with a set screw , and the left and right cranks are screwed to the crank shaft and the connecting parts respectively, so that the left and right crank frames are securely integrated. There is . Crank arm turning side ▲ 18 ▼ pyramid end ▲
10 ▼ and the compression spring are press-fitted, the petal arm
Prevents twisting and turning. When parking the bicycle, use the stopper
Alternatively, use the operating "knob" to slide the pyramid end (10) until it comes off.
After compressing the compression spring via the topper,
The reduction operation ends when combined with Par . Bicycle parking before running
By turning the foot petal by 90 degrees reverse twist
Ri, Futopetaru can restore to the normal position the running state.
"FIG. 2" is a plan view of "FIG. 1". "Figure 3" is "Figure
1] is a cross-sectional view taken along line AA of FIG. "Figure 4" shows the crank arm
Is a symmetric shape other than a circle such as a corner, a rectangle, etc.
The taste-processed square crank arm turning side ▲ 18 ▼
Clutch stopper ▲ 14 ▼ the provided compression spring inner surface taper clan click stationary mounted through a spring stopper flange
Crank the slide type clutch ring (13) at all times.
It is pressed against the clutch stopper (14) on the arm turning side (18) to prevent turning of the screw joint of the crank arm and to completely prevent twisting of the foot petal .
When parking the foot petal by twisting 90 degrees,
Grip the ring (13) and press the compression spring to the crank arm.
After compressing to the exposed screw connection surface of
One-touch operation that only restores the compression spring after twisting and turning
It's just as safe as reducing the petal width. Running
For restoration, the foot petal is rotated 90 degrees in the reverse order.
Touch operation is enough. Snap the petal width reduction in "Fig. 5"
Hold the handle (15) upright and pressurize the compression spring.
The pin is a detachable operation type. "Figure 6" is the simplest set
Swing hand to prevent entanglement of clothes and other items
This is a turning operation type according to rule (19). The present invention is described above.
Rather than shall be limited to the exemplary basic embodiment, in the range not departing from the gist of the invention, it is of course modified in various ways
There is .

[0006]

[Effects of the Invention] Even in a narrow entrance without petal interference, there is no feeling of pressure to accommodate one vehicle, it contributes to the effective use of sidewalk passages as well as the improvement of living space. It is possible to reduce the equipment pitch to almost half.

[Description of Drawings]

[Fig. 1] Spring pressure pyramid screw stopper side
Figure

FIG. 2 is a plan view of FIG.

FIG. 3 is a sectional view taken along the line AA of FIG.

FIG. 4 is a spring with a crank arm outer shape of a square shape .
Pressurized slide reel clutch type front view

[Figure 5] Spring pressure taper pin fixed type front view

[Fig. 6] Side of set bolt with swing handle
Figure

[Explanation of symbols] 1 foot petal 2 crank connecting part 3 crank arm 4 petal arm 5 set bolt 6 stopper guide 7 connecting screw cross section 8 stopper 9 compression spring 10 pyramid end 11 set bolt 12 spring retainer 13 clutch ring 14 clutch stopper 15 taper pin 17 swing Screw knob 18 Crank arm turning side

[Procedure Amendment 2]

[Document name to be corrected] Drawing

[Correction target item name] All drawings

[Correction method] Change

[Correction content]

[Figure 1]

[Fig. 2]

[Figure 3]

[Figure 4]

[Figure 5]

[Figure 6]

Claims (1)

[Claims] 1. A reduction phase of a bicycle parking width characterized by a petal phase change by, for example, turning a foot petal shaft mounting portion upright or twisting 90 degrees directly below or folding the crank body to reduce the parking space of the bicycle. Convertible petal.