JP2730882B2 - Strength training equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a muscle training apparatus, and more particularly to an improvement of a muscle training apparatus known as a fly training machine.

[0002]

2. Description of the Related Art A fly training machine is a device for training a pectoralis major muscle. In a conventional fly training machine, as shown in FIGS. 7 to 9, a seat 2 is fixed to one end of a frame 1 placed on a floor or the like, and a rectangular frame 3 is hung on the other end of the frame 1. A weight suspension frame 4 is juxtaposed on the side of the frame 3, and a pair of arms 6 is rotatable on a projecting portion 5 that overhangs from the upper portion of the frame 3 toward the seat 2. The arm 6 has a flat arm pad 7 and a grip 8 to be gripped by hand. A gear disk 10 having teeth meshed with each other is axially mounted on a shaft 9 serving as a rotation center of the arm 6, and a shaft 9 serving as a rotation center of the arm 6 on the side of the weight suspension frame 4 is provided on the shaft 9. A cam 12 to which one end of a wire rope 11 is fixed and a drum 13 are mounted on a shaft.

The other end of the wire rope 11 extends into the weight suspension frame 4 via a pulley portion 24 and is connected to a weight connecting tool 14. The weight connecting tool 14 includes guide rods 15, 15 An appropriate number of the plurality of weights 16 housed so as to be able to move up and down along can be detached with the pins 17. Further, a leg starter 18 is provided on the side of the seat 2.
Is pivotally supported by the frame 1. A bar 19 on which a foot is placed is fixed horizontally to one end of the leg starter 18, and a wire 20 is connected to the other end. The wire 20 is wound and fixed to the drums 13, 13 of the arm 6 via pulley portions 21, 22 supported on the upper and lower portions of the frame 3.

A person who exercises strength with this fly training machine sits on the seat 2, grips the grips 8, 8 with both hands, and places his / her arms on the arm pads 7, 7, and the bar of the leg starter 18 When the foot 19 is stepped on and depressed forward, the wire 20 is pulled, and the drums 13 and 13 rotate,
The shafts 6, 6 start rotating. Then, when the user puts his / her foot on the footrest 23 and turns his / her arms toward the front of the face, the pulley 2
When the wire rope 11 is pulled through 4 and the weight 15 rises, the load is applied to the arms 6 and 6,
Thereby, the muscle at the predetermined portion can be trained.

[0005]

However, according to the above-mentioned conventional fly training machine, the arm pads 7 are fixed in a flat plate shape. The person with a rigid shoulder joint at the start position must exercise from a slightly shallow position, and cannot exercise from a position where the pectoralis major is stretched. Did not.

Therefore, the present invention aims to improve a fly training machine in order to solve the above problems.

[0007]

A muscular strength training apparatus according to the present invention supports a pair of rotatable crank arms to which a weight load is applied by a frame, and uses an arm pad provided on the crank arm. In a muscular strength training device for a trainer seated on a seat to rotate each other forward on the face side with both arms, a horizontal arm is connected to the crank arm, and an arm is attached to an end of the arm. It is characterized in that a pad shaft in which a round arm pad having a round section to be held is vertically mounted rotatably is supported so as to be adjustable in angle.

Therefore, since the position of the arm pad with respect to the crank arm can be adjusted, the trainer can sit on the seat and hold the arm pad with both arms after the angle adjustment, so that even a person with a rigid shoulder joint at the start position. Exercise from a position where the pectoralis major is stretched becomes possible, and effective training can be performed.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. As shown in FIGS. 1 to 4, a two-stage footrest 31 is fixedly disposed at one end (front side) of a frame 30 having a predetermined length to be placed on a floor or the like, and a seat 3 is provided behind the footrest 31.
2 is erected to be adjustable in height, and a frame 33 is erected and connected to the other end of the frame 30 behind the seat 32, the upper part thereof is bent forward, and a backrest pad 34 is attached and fixed to the end. And a weight arm for pivotally supporting a crank arm 36 on both sides of the seat 32 via a shaft 35 and suspending a weight 37 for applying a load to the crank arm 36 so as to be able to move up and down. The frame body 38 is erected and connected to the frame 30 as appropriate.

The weight suspending support frame 38 has a pair of guide rods 39, 39 erected in a rectangular frame, and the guide rods 39, 39 penetrate therethrough, and a weight 37 is disposed so as to be able to move up and down. One end of a wire rope 41 is connected to a weight connecting tool 40 for attaching and detaching an appropriate number of 37 with pins. The other end of the wire rope 41 is connected to pulleys 42, 43, 44 supported on the upper part of the weight suspension frame 38.
Are connected to the rotating bases of the crank arms 36, 36. Reference numeral 45 denotes a cover which surrounds the weight 37 and is attached and fixed to the lower portion of the weight suspension frame 38.
Is an explanatory plate describing how to use the machine.

The pivot bases of the crank arms 36, 36
As shown in FIG. 5, substantially semicircular gears 47, 47 are mounted on the shafts 35, 35, respectively.
47 can rotate in conjunction with each other. A cam 48 is axially mounted on the shaft 35 on the side of the weight suspension frame 38, and the other end of the wire rope 41 is fixedly connected to the cam 48. The other end of the wire rope 41 extends to the upper portion of the weight suspension frame 38 via the pulley portions 49 and 44.

Further, a leg starter 53 is rotatably supported on the frame 30 on the side of the weight suspension frame 38, and a wire 50 having one end fixed to the leg starter 53 is connected to the leg starter 53. Is the other end of the pulley 5
The disk is connected to a disk (not shown) pivotally supported by the frame 30 via the first and second 52, and a projection for starting rotation by hooking a rod (not shown) protruding from a lower portion of the crank arm on this disk. A part is formed. A bar 54 for hanging a foot on the rotating end is fixed to the leg starter 53 horizontally. The leg starter 53 rotates the crank arm 36 with a foot so that the leg can be easily started at the beginning of training.

At the upper end of the crank arm 36, FIG.
As shown in FIG. 6, an arm 60 extending in the horizontal direction is connected, and an L-shaped pad shaft 62 is rotatably mounted on an end of the arm 60 via a shaft 61. An arm pad 63 having a round cross section is vertically attached rotatably to the portion. A detachable pin 64 is attached to a horizontal portion of the pad shaft 62, and a positioning plate 66 having a plurality of holes 65 through which the detachable pin 64 is inserted and removed is fixed to the arm 60. The holes 65 are appropriately arranged on the circumference of a predetermined radius centered on the shaft 61.

Therefore, the hole 6 into which the detachable pin 64 is inserted
If the position 5 is appropriately selected, the connection angle of the pad shaft 62 with respect to the arm 60 can be changed, and the arm pad 63 can be set at a desired portion rotated around the shaft 61 at the end of the arm 60. The positioning plate 66 has a shaft 6
An arc-shaped long hole 67 is formed on the circumference of a predetermined radius around the center 1, and a pin 68 that enters the arc-shaped long hole 67 is protruded from the pad shaft 62 to form a stopper.

For the seat 22, a square pipe 71 is inserted into a square pipe 70 suspended from the frame 20 so as to be able to expand and contract in the axial direction, and a tightening screw 72 for tightening and fixing the square pipe 71 to the square pipe 70 is provided. A seat plate 74 is connected and fixed to the upper end of the 72,
A seat pad 75 and a lumbar pad 76 are attached to the seat plate 74.
Is attached and fixed. The lumbar pad 76 can contact the lumbar vertebra regardless of the height of the occupant, and can secure an appropriate posture for fixing the body during training.

Next, the operation of the above embodiment will be described. In order to carry out fly training, the height of the seat 32 is adjusted to set an optimum posture for the user, and both feet are placed on the footrest 31 and seated. The back is applied to the back pad 34. Therefore, the arm pad 63,
When the user holds and holds the arm 63 and turns both arms forward on the face side, the arms 36 and 36 turn around the shaft 35 in directions that are equally close to each other via the gear disk. By rotating the arms 36, 36,
The wire rope 41 fixed to the cam is pulled, the weight 37 connected to the weight connecting tool 40 rises, and the load is applied to the arms 36, 36, and the load exercises the muscle at the predetermined portion. is there.

[0017]

According to the present invention described above, since the arm pad is formed in a round shape, the tip of the elbow can be made horizontal when the arm is put on the arm pad. Since I can train, I can train my pectoralis muscles effectively. Also, since the position of the arm pad can be adjusted,
The round pad can now be applied to the best position inside the elbow.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a side view of FIG. 1;

FIG. 4 is a plan view of FIG. 1;

FIG. 5 is a sectional plan view of a main part of FIG. 1;

FIG. 6 is a front view of a main part of FIG. 1;

FIG. 7 is a front view of a conventional example.

FIG. 8 is a side view of FIG. 7;

FIG. 9 is a plan view of FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 30 ... Frame 32 ... Seat 34 ... Back pad 35 ... Shaft 36 ... Crank arm 37 ... Weight 38 ... Weight suspension support frame 60 ... Arm 61 ... Shaft 62 ... Pad shaft 63 ... Arm pad

Claims (1)

(57) [Claims] 1. A trainer seated on a seat with a pair of crank arms rotatably supported by a weight and supported by a frame, and an arm pad provided on the crank arm is seated on a seat by both arms. In a strength training apparatus for performing a motion of rotating each other forward, a horizontal arm is connected to the crank arm, and an arm pad having a circular cross section held by the arm at the end of the arm is vertically rotatably rotatable. A muscle training device characterized in that the attached pad shaft is supported so that its angle can be adjusted.