JPH0257488A - Bicycle saddle with plastic frame - Google Patents

Abstract

PURPOSE:To enhance the assembling easiness by mounting a scaffold mounting frame on a saddle base through a pair of spiral springs, forming thereby a saddle, fitting ring-shaped terminals of each spring to respective receipt seats, and thereby accomplishing mounting of the spiral spring. CONSTITUTION:Through a pair of spiral springs 4 a scaffold mounting frame 2 is fitted to a saddle base 1 provided with a saddle top 12 through a cushion material 1, and thus a saddle is constituted. The two ends of each spiral spring 4 are bent inward, and the tip is bent round on the center line of the spring 4. The saddle base 1 and mounting frame 2 are formed from plastics, and receipt seats 5, 6 for mounting two springs each are formed in a single piece in respective mating position at the two ends of the rear. The two ends of the spring 4 is fitted to detents 51, 61 of the receipt seats 5, 6, wherein it is prevented from slipping off with a slip stop piece. The front of the mounting frame 2 is fitted in a pocket 7 formed at the sanddle base 1.

Description

[Detailed description of the invention] (Industrial application field) The present invention relates to a bicycle saddle.

(Prior art and its problems) In a conventional bicycle saddle, an odd edge is attached to the saddle base via a coiled spring, and the odd edge and the seat post are fixed by a tank.

Both ends of the coiled spring are attached to the edge and the saddle base using bolts and bolts, but this attachment work must be done by inserting a tightening tool between the coils of the coiled spring, which is a labor-intensive task. The quality was poor, and it took a considerable amount of knowledge to assemble the saddle.

Also, if the nut loosens during use, the saddle may come off the edge,
There was a risk of the saddle falling off.

Furthermore, since the odd edge is formed by bending a thick M metal wire, it is heavy and requires rust-preventing plating, which increases the number of processing steps and increases costs.

(Object of the Invention) The present invention uses a synthetic resin tank mounting frame instead of a metal edge, and the annular end portion of the coiled spring is fitted into a spring seat formed on the frame and the saddle base. By attaching it, there is no need to tighten bolts or bolts, and the assembly is simple, the frame is lightweight, and the saddle does not require the hassle of plating.

(Means for solving the problem) In order to achieve the above object, the saddle of the present invention includes a saddle base (1), a frame (2) for mounting the oar, and a frame (2) for mounting the oar.
2) and the saddle base (1).
) and a coiled spring (4) that connects the frame (2).
Spring seats (5) and (6) are formed in the T& portions of the springs, respectively.

The spring (4) has one end connected to the engagement portion (51) of the base side catch seat (5).
), and the other end fits into the engaging part (6) of the frame side catch seat (6).
1), and prevents the distal end of the spring from coming out from the seat (5)<6) by the retaining pieces (53, 63) provided on each of the joint parts (51, 61).

The front tip of the Toreke Freno (2) is attached to the saddle base (1
) The saddle base (1) and oar mounting frame (2) are made of synthetic resin molding, and the seat (5) ( 6
) is formed integrally with the base (1) or the frame (2).

(Function and effect) The frame (2) is made by injection molding of resin.
It can be manufactured at low cost and is also lighter than conventional metal edges.

The coiled spring (4) is attached by fitting one end into the frame side catch (6) and the other end into the saddle base side catch (5), and the retainer provided on each catch (5) (6). piece (53) (63
) to prevent the spring from coming off, the workability is better and the efficiency of saddle assembly is improved compared to the conventional method of attaching the spring with bolts and holes 71-.

The resin frame (2) does not require rust-preventing plating, and can be colored freely by simply adding a desired pigment to the molding material.

(Example) The present invention will be explained below based on the drawings.
The remaining drawings, excluding the illustration, are drawn with the saddle upside down and the back of the saddle facing down, and in the following explanation, the top,
The bottom is what is shown in the drawing, and is different from the top and bottom when the saddle is actually used.

FIG. 1 shows an example of a saddle according to the present invention, in which a cushion (11) material is adhered to the surface and side surfaces of a saddle base (1), a saddle top (12) is covered, and the top (1) is covered with a cushion (11) material.
The outer periphery of 2) is folded back to the back surface of the saddle base (1) and fixed with a stopper or a stem (not shown).

A frame (2) is attached to the saddle base (1) via a pair of coiled springs (4).

The coil spring (4) is a single coil spring (4) with both ends bent inside the spring (4) and its tip curved roundly on the center line of the spring (4) to form an annular end portion (41). The annular end portions (41) at both ends are symmetrically oriented.

The saddle base (1) and the mounting frame (2) are made of synthetic resin, and there are two spring mounting seats (5), (5), (8), and (6) at opposing positions on both rear ends. is formed integrally with the base (1) or the frame 2).

No. 4121, the base side catch seat (5) shown in FIG. The height is a spring (
Semi-circular wall-shaped engaging portions (51) approximately equal to the wire diameter of the base (1) are provided on both sides of the rear surface of the base (1),
) and (5) each have an opening (52) at the outer periphery where the peripheral wall is interrupted and extends laterally.

The opening width of the opening (52) is much narrower than the annular end (41) of the coiled spring (4).

At the rear of the peripheral wall-shaped engagement part (51), from the upper end +x
A retaining piece (53) is set up like an eave toward the center of the meeting.
A fitting opening (57) is formed by the gap formed between the front edge of the retaining piece (53) and the engaging part (51) and the opening (52) of the engaging part (51).

As shown in FIG. 6, the retaining piece (53) has an auxiliary retaining protrusion (58) protruding from the inner surface of its front edge, and the saddle base (1
) is a retaining piece (53) directly below the retaining piece (53).
The through holes (54) are arranged at the same level corresponding to the shape.

The through hole (54) is a hole for punching out a mold ([J not shown) for molding the saddle base (1) and seat (5) in one piece, but as will be described later, the end portion of the spring (4) This has the effect of easily engaging (41).

As shown in Figure 3, the frame (2) is made of synthetic resin, and a plurality of connecting pieces (22) are connected between the side plates (21) on both sides.
The spring receivers (6) (6) are connected together at both rear ends.
A known turret (3) is housed across the center of the side plate (21).

The front end of the frame (2) is attached to the saddle base (1) described later.
) insert part (8) that can be tightly fitted into the pocket part (7) of the
) is formed, and the insertion part (8) is connected to both side plates (
21) Connecting plate piece (st>A) connecting the tips of (21)
A protrusion (82) having a semicircular cross section is formed protruding from the tip edge.

Spring receivers (6) (6) are provided integrally with the frame (2) and project from both rear ends of the frame (2).

As shown in Figures 7 to 9, the catch on the frame side (
6) In (6), raised portions (6o) are provided on both rear sides of the frame (2) toward the saddle base, and an annular end portion of the coiled spring (4) is provided on the opposite surface of the rain shower portion (60). ) is provided with a hole-shaped engaging portion (61) into which the hole is tightly fitted.

A hole (62) communicating with the engaging part (61) is formed on the lower surface of the raised part (60), and the edge of the hole has a tip extending obliquely toward the rear end of the engaging part (61). A retaining piece (63) that enters the engaging portion (61) is provided in a protruding manner.

? A pocket portion (7) for locking an insertion portion (8) at the front end of the frame is formed at the rear end of the F-le base (1).

As shown in Figures 2, 10, and 11, the pocket part (7)
A punching hole (71) with a width slightly smaller than the width of the insertion part (8) of the frame (2) is opened in the base (1), and a retaining protrusion ( 72), pressing pieces (73) are made to protrude from the front edge in opposition to each other.

The proximal end of the retaining protrusion (72) is provided to protrude upward from the saddle base (1), and the front edge of the retaining protrusion (72) is bent at a substantially right angle and protrudes forward.

The presser piece (73) protrudes upward, and the tip of the presser piece (73) protrudes toward the retainer protrusion (72) at a position further above the front edge of the retainer protrusion (72), so that the cross-sectional shape is It is showing the condition.

An odd edge holding space (74) is formed between the tip of the presser piece (73) and the saddle base (1), and between the tip of the presser piece (73) and the retaining protrusion (72), Frame (2)
An insertion opening (75) with a smaller gap than the thickness of the protrusion (82) of the insertion portion (8) is formed.

A slit (76) communicating with the holding space (74) is provided on both sides of the base end and front edge of the retaining piece (72).

To assemble the saddle, first, as shown in FIG. , the end portion (4) is pushed in while elastically deforming the retaining piece (63).
1> until it reaches the edge of the engaging part (61), the retaining piece <
63) elastically returns, the tip of the retaining piece fits into the annular end portion (41), and the end portion (4) is removed from the engaging portion (61).
1) is prevented from occurring. Next, as shown in FIG. 6, the other end (41) of the coiled spring (4) is inserted through the fitting opening (5) of the base side catch seat (5) into the peripheral wall-like engaging portion (51).
Fit it into.

When the distal end portion (41) is engaged, the distal end portion (41) hits the front upper end (55) of the engaging portion (51) and enters obliquely;
A through hole (54) is provided at the rear of the base (1) within the engaging portion (51).
) is opened, and the tip of the annular end portion (41) enters the hole while sinking.

Therefore, it can be easily fitted into the retainer M (51) by simply sliding the distal end (41) through the fitting opening <57), without requiring strong force or special techniques.

- Once the end part <41> of the spring (4>) is engaged with the engaging part (51), the engaging part (51), the retaining piece (53), and the retaining protrusion (58) after assisting, The upward movement is blocked, and the spring (4) will not escape from the catch (5).

Next, the insertion portion (8) at the tip of the frame (2) is pushed into the insertion opening (75) of the pocket portion (7) at the tip of the saddle.

The width of the insertion opening (75) is smaller than the thickness of the insertion part (8), but the retaining protrusion (72) is formed thin, and there are slits (76) on both sides of the retaining protrusion (72). Because of the opening, the retaining protrusion (72) is easily deformed.

Therefore, as in the embodiment, the retaining protrusion (72) and the retaining piece (7
Even if the height and width of the insertion opening (75) formed by ) side, the insertion opening (75) is easily pushed open and the protrusion (82) at the tip of the insertion portion fits into the holding space (74).

When the protrusion (82) passes through the insertion opening (75), the retaining protrusion (72) elastically returns, the insertion opening width returns to its original shape, and the insertion portion (8) moves from the holding space (74) to the p1 Prevent people from preaching.

While the bicycle is running, a strong vertical external force acts on the saddle, but since the insertion opening faces backward, the frame (
The tip of 2) is supported by the tip of the presser piece (73) and is prevented from detaching.

Furthermore, even if a pulling force is applied to the insertion part (8) at the end of the frame toward the insertion opening by jumping on the saddle, the width of the insertion opening is sufficiently small compared to the thickness of the protrusion (82) at the end of the frame. , the tip of the frame (2) simply presses the end face of the front edge of the retaining protrusion (72) toward the rear.
Since it does not act in the direction of widening the opening, the tip of the frame (2) will not come off from the holding space (74).

Fig. 12 shows another embodiment of the frame side receiving seat (6), in which cylindrical IA joints (61) are provided downward on both sides of the back surface of the mounting frame (2) to receive the receiving seat (6). A seat (6) is formed, and the gS piece (61) has a lower end surface formed into an inclined conical shape, and a brim-like retaining piece (63) protrudes rearward.

The distance between the rear lower surface of the frame (2) and the brim-like retaining piece (63) is approximately equal to the wire diameter of the coiled spring (4).

Attach the annular end (41) of the coiled spring (4) to the collar-shaped retaining piece (
63) and fit it into the engaging portion (61) while sliding the conical surface. By the collar-shaped retaining piece (63),
The annular end portion (41) of the spring (4) is prevented from coming off in the axial direction with respect to the engaging portion (61).

In addition, as shown in Fig. 8, the frame side catch seat of the sliding type (
6> can also be implemented as a seat on the saddle base side.

The present invention is not limited to the configuration of the above embodiments, and various modifications can be made within the scope of the claims.

[Brief explanation of the drawing]

Fig. 1 is a slope view of the saddle, Fig. 2 is a sectional view of the saddle, Fig. 3 is a plan view of the frame, Fig. 4 is a slope view of the saddle side catch, and Fig. 5 is a plan view of the saddle side catch. , No. 6 [2I is an explanatory diagram showing how to engage the coiled spring into the saddle side catch seat, Fig. 7 is a slope view of the frame side catch seat, 8I121, and Figure 9 are illustrations of how the spring is inserted into the frame side catch seat. An explanatory diagram of the engagement method, Fig. 10 is a slope view of the pocket part at the tip of the saddle base, Fig. 11 is a plan view of the pocket, Fig. 12 is a side view of the embodiment of the catch on the frame side, Fig. 13 is a plan view of the same as above. (1)... Saddle base (2)... Frame for mounting the turret (4)... Wound spring (5)... Base side catch (6)... Frame side catch (7)...・Pocket part (8)...Insert part $8 Figure 4 Figure 12 Figure 1a, Page 5 line 4, Page 8 line 9, Page 8 line 9, Page 14 line 15澾” was corrected to r yagura j. Page 6, line 14, No. 1, Indication of the case Patent application No. 63-210079 2゜Title of the invention Resin frame type bicycle saddle 3゜amendment Relationship to the case Patent applicant Kashima Saddle Seisakusho Co., Ltd. 4, Agent No. 12-12, Nakamiya 4-chome, Asahi-ku, Osaka 535 Subject of amendment 6, Contents of amendment (1) The "Scope of Claims" in Mei-aI has been amended as shown in the attached sheet. (2) Mei aI, page 3, line 9, page 4, line 2, same page 11
Scope of Patent Claims■ The saddle base (1) and the tower mounting frame (2)
), and 2 which is arranged between the frame (2) and the saddle base (1) and connects the base (1) and the frame (2).
The rear part of the base (1) and the rear part of the frame (2) are respectively equipped with spring receivers (5).
), (6) are formed, one end of the spring (4) fits into the engaging part (51) of the base side catch seat (5), and the other end fits into the engaging part (61) of the frame side catch seat (6). ), each engaging portion (51
) (61) prevents the end of the spring from coming off from the seat (5) (6). ), and the saddle base (1) and tower attachment are made of molded resin, and the seat (5) and (6) are made of molded resin. A resin frame type bicycle saddle is formed integrally with a base (1) and a frame (2), respectively. ■ Frame side strike plate (6)! A hole-shaped engagement part (61) into which the annular end part (41) of the coiled spring (4) is tightly fitted is provided on the side surface of the raised part (60) formed on the frame (2), and the engagement part 5 ( 61) The resin flap type bicycle saddle according to claim 1, wherein the tip of the retaining piece (63) enters into the resin frame type bicycle saddle. ■ The saddle base side catch seat (5) has a peripheral wall-like engagement part (51) protruding from the back surface of the base, and the end part (41) of the coiled spring (4) is attached to a part of the engagement part (51). It is formed by providing an opening (52) narrower than the winding diameter of the engaging part (51), and a retaining piece (53) is provided from the upper part of the engaging part (51) to protrude inside the circular arc.
The resin frame type bicycle according to claim 1 or 2, wherein the annular end portion (41) of the coiled spring (4) is fitted into the space formed by the retaining piece (51) and the retaining piece (53). Saddle. ■ The detachable frame side catch seat (6) has a short cylindrical body part protruding from the frame, and the engagement part has a rearward-facing brim-shaped retaining piece, so that it can be attached to the frame. The resin frame type bicycle saddle according to claim 1, wherein the distal annular portion of the wrapper (4) is fitted into the engaging portion between the retaining piece and the retaining piece.

Claims (1)

[Claims] [1] Saddle base (1) and oar attachment frame (2)
and two coiled springs (4) disposed between the frame (2) and the saddle base (1) and connecting the base (1) and the frame (2), and the rear part of the base (1). and a spring catch (5) at the rear of the mounting frame (2).
, (6) are formed, one end of the spring (4) fits into the engaging part (51) of the base side catch seat (5), and the other end fits into the engaging part (61) of the frame side catch seat (6). and each engaging part (51)
The retaining pieces (53) (63) provided on (61) prevent the end of the spring from coming off from the catch (5) (6), and the front end of the mounting frame (2) is attached to the saddle base (1). The saddle base (1) and the oar mounting frame (2) are attached by tightly fitting into the pocket part (7) formed at the front end.
is a resin frame type bicycle saddle made of synthetic resin, and seats (5) and (6) are integrally formed with a base (1) and a frame (2), respectively. [2] The frame side catch seat (6) has a hole-shaped engagement portion (in which the annular end portion (41) of the coiled spring (4) is tightly fitted into the side surface of the raised portion (60) formed on the frame (2). 61), and the distal end of the retaining piece (63) enters into the engaging portion (61). [3] The saddle base side catch seat (5) has a peripheral wall-like engagement portion (51) protruding from the back surface of the base, and a portion of the engagement portion (51) is provided with the end portion (4) of the coiled spring (4). 41) is formed by providing an opening (52) narrower than the winding diameter of the engaging part (51), and a retaining piece (53) is provided from the upper part of the engaging part (51) to protrude inward from the circular arc. The resin frame type bicycle saddle according to claim 1 or 2, wherein the annular end portion (41) of the coiled spring (4) is fitted into the space formed by the stopper piece (53). [4] The mounting frame side catch seat (6) has a short cylindrical engagement part protruding from the frame, and a flange-shaped retaining piece facing rearward is formed on the engagement part, so that it can be connected to the frame. The resin frame type bicycle saddle according to claim 1, wherein the end annular portion of the coiled spring (4) is fitted into the engaging portion between the stopper piece and the engaging portion.