(19)
(11)EP 3 199 210 A1

(12)EUROPEAN PATENT APPLICATION
published in accordance with Art. 153(4) EPC

(43)Date of publication:
02.08.2017 Bulletin 2017/31

(21)Application number: 15845484.3

(22)Date of filing:  18.03.2015
(51)Int. Cl.: 
A63B 21/078  (2006.01)
A63B 23/04  (2006.01)
A63B 21/008  (2006.01)
(86)International application number:
PCT/KR2015/002605
(87)International publication number:
WO 2016/047878 (31.03.2016 Gazette  2016/13)
(84)Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA

(30)Priority: 26.09.2014 KR 20140129077

(71)Applicant: Lee, Cha-Young
Yesan-gun, Chungcheongnam-do 340-864 (KR)

(72)Inventor:
  • Lee, Cha-Young
    Yesan-gun, Chungcheongnam-do 340-864 (KR)

(74)Representative: Gulde & Partner 
Patent- und Rechtsanwaltskanzlei mbB Wallstraße 58/59
10179 Berlin
10179 Berlin (DE)

  


(54)LEG PRESS


(57) The present invention relates to a comprehensive fitness equipment leg press allows a user to do a weight training leg press exercise for training a lower body from 10kg to 200kg by sitting on a bench pushing the footrest included in the footrest frame, which moves back and forth smoothly along a central frame for adjusting weight of the footrest frame. The comprehensive fitness equipment leg press comprises a hydraulic cylinder formed on a lower end of the bench without using 15 10kg weights and a hydraulic cylinder rod connection installed on a body of a weight adjusting bar using the principle of the lever for adjusting weight of the footrest of the footrest frame.




Description

[Field of the invention]



[0001] The present invention relates to fitness equipment for strengthening and developing muscle of various parts of the human body,and more specifically to weight lifting fitness equipment.

[0002] The present invention relates to a comprehensive fitness equipment leg press providing comprehensive fitness equipment enabling various workouts with one apparatus. The comprehensive fitness equipment leg press enables all family members to work out conveniently as well as to train muscle evenly of an entire human body for training various parts of the human body equally by regularly performing weight training, which is for vitalizing blood circulation and cardiopulmonary function, and increasing bone density of the human body.

[0003] In addition, the present invention relates to the comprehensive fitness equipment leg press which includes a weight adjusting unit from 10kg to 200kg through a hydraulic cylinder connection without use of weights, is in a compact size, and enables a user to simply adjust weight and to do leg press excise while sitting on a bench.

[0004] In addition, the present invention relates to the comprehensive exercise fitness equipment leg press enabling a user to exercise lower body with the weight adjusting unit which is capable of adjusting weight simply by using the principle of the lever, and is installed on the hydraulic cylinder connection connected to a hydraulic cylinder formed on a lower end of the bench in one body.

[The technical background of the invention]



[0005] Generally, in order to improve muscle strength and endurance, regular exercise is very important.But, modern people are too busy to exercise, so that they have a problem that the amount of their exercise is insufficient.

[0006] However, muscle strength exercise equipment so far has 12∼15 10kg weights which are positioned on one point, are connected to one another, and deliver weight to various exercise devices, so that the exercise equipment is excessively bulky and heavy, and has a problem that when an amount of user's muscle is increased and the user get used to the weight, the user wants to increase the weight and the weight can be increased by 10kg, not by less than 10kg, so that the user can be injured right after increasing the weight.

[0007] So far, comprehensive fitness equipment has 15 10kg weights which are positioned on one point, are connected to one another, and deliver weight to various exercise devices, so that the exercise equipment is excessively bulky and heavy, and has a problem that the weight can be increased only by 10kg, so that the user can be injured.

[0008] In addition, technical background of the present invention is shown in Korean utility model registration gazette No. 20-0451925 (2011.1.19).

[Related art documents]


[Patent documents]



[0009] (Patent document 0001) Korean utility model registration gazette No. 20-0451925

[Summary of the invention]


[Problems to solve]



[0010] In order to solve the problems described above, the purpose of the present invention relating to a comprehensive fitness equipment leg press is fine adjustment of weight suitable for user's physical strength by using a weight adjusting bar, in place of weights, coupled to a hydraulic cylinder connection with a fixing band and capable of adjusting weight from 10kg to 200kg. Also, another purpose of the present invention is to provide leg press fitness equipment and weight training equipment together which are in compact size, are capable of adjusting weight simply, and have a bench for the user to sit while working out.

[Solutions to problems]



[0011] The present invention is provided to achieve the purposes as described above,
comprises: a footrest and a footrest frame are installed to move back and forth on a central frame connected to a front post frame and a rear post frame;
a weight adjusting bar is capable of adjusting tension of the footrest by being connected to an end of a wire having another end connected to the footrest frame installed on the central frame;
a hydraulic cylinder generates tension and is coupled to a portion of the weight adjusting bar with a fixing band;
a wire roller is installed on a portion of the rear post frame, maintains tension of the wire connecting the footrest and the weight adjusting bar, and guides the wire in accordance with movements of the footrest;
a rubber band is connected between the front post frame and weight adjusting bar in order to have tension in accordance with movements of the wire;
a handle is installed on the rear post frame in order to be held by a user while working out with feet on the footrest;
a backrest is installed on an upper portion of the rear post frame having a backrest controller capable of controlling a distance between the back of the user and the footrest.

[0012] The present invention configured as described above, provides leg press fitness equipment enabling all family members to work out conveniently as well as to train muscle evenly of an entire human body for training various parts of the human body equally by regularly performing weight training, which is for vitalizing blood circulation and cardiopulmonary function, and increasing bone density.

[Effect of the invention]



[0013] The present invention provides a weight training effect to the user who can do a leg press exercise sitting on the bench with adjusting tension from 10kg to 200kg in accordance with physical condition and muscle exercise skillfulness by connecting the footrest frame capable of moving back and forth smoothly and the weight adjusting bar with the wire. The weight adjusting bar is capable of adjusting weight simply by using the principle of levers and is installed on a hydraulic cylinder connection connected to a hydraulic cylinder formed on a lower end of the bench in one body without using 15 10kg weights.

[Brief description of the drawings]



[0014] 

Fig. 1 shows a right side view of a leg press, fitness equipment of the present invention,

Fig. 2 shows a sectional view of the hydraulic cylinder installed on the leg press, the fitness equipment of the present invention,

Fig. 3 shows a exemplary view of example (A) and (B) of a weight adjusting bar connected to the hydraulic cylinder in the leg press, the fitness equipment of the present invention,

Fig. 4 shows a fixing band capable of adjusting tension by coupling the weight adjusting bar and the hydraulic cylinder of the leg press, the fitness equipment of the present invention,

Fig. 5 shows a wire adjusting unit capable of adjusting a length of the wire of the leg press, the fitness equipment of the present invention,

Fig. 6 shows a noise prevention bearing comprised of joints on opposite sides of the weight adjusting bar of the leg press, the fitness equipment of the present invention,

Fig. 7 shows a rubber band delivering tension to the wire and the weight adjusting bar of the leg press, the fitness equipment of the present invention,

Fig. 8 shows a wire roller guiding the wire of the leg press, the fitness equipment of the present invention,

Fig. 9 shows a footrest moving back and forth on the central frame of the leg press, the fitness equipment of the present invention,

Fig. 10 shows a footrest frame buffer unit, a fixing stopper of the footrest frame moving back and forth on the central frame of the leg press, the fitness equipment of the present invention,

Fig. 11 shows a ball bearing installed on the footrest frame of the leg press, the fitness equipment of the present invention,

Fig. 12 shows a backrest with a distance control function in accordance with physical conditions of the user using the leg press, the fitness equipment of the present invention,

Fig. 13 shows a perspective view of the entire leg press, the fitness equipment of the present invention.


[Detailed description of the invention]



[0015] Hereinafter, technical configuration of the present invention is described in detail referring to the drawings attached.
Fig. 1 shows a right side view of a leg press, fitness equipment of the present invention, a footrest (910) having a footrest frame (900) installed to move back and forth on a central frame (1101) connected to a front post frame (1102) and a rear post frame (1103) is installed.

An end of a wire (201) is connected to the footrest frame (910) having the footrest (900)installed on the central frame (1101), and another end of the wire (201) is connected to an upper end of a weight adjusting bar (300) capable of adjusting tension of the footrest (910).
An end of a rod of the hydraulic cylinder (200) is coupled to a portion of the weight adjusting bar (300) in length direction thereof with a fixing band (400) to generate tension on the wire (201) connected to the footrest frame (910).
A wire roller (800) is installed on a side of the rear post frame (1103), and guides the wire (201) in accordance with movement of the footrest frame (910) to keep the wire (201) tight. The wire (201) connects the footrest frame (910) and the weight adjusting bar (300).
The weight adjusting bar (300) moves like a lever to generate tension in accordance with movement of the wire (201) by connecting a rubber band (700) between the front post frame (1102) and the weight adjusting bar (300) for generating elastic tension.

[0016] A handle (1300) is installed on the rear post frame (1103) in order to be held by a user while working out with feet on the footrest (900).
In addition, a backrest (1200) having a backrest controller (1200) is installed on an upper end of the rear post frame (1103) for controlling a distance of the footrest (900) in accordance with a length of feet of a user.

[0017] Fig. 2 shows a sectional view of the hydraulic cylinder installed on the leg press, the fitness equipment of the present invention, Fig. 3 shows a exemplary view of example (A) and (B) of a weight adjusting bar connected to the hydraulic cylinder in the leg press, the fitness equipment of the present invention, and Fig. 3 shows a exemplary view of example (A) and (B) of a weight adjusting bar connected to the hydraulic cylinder in the leg press, the fitness equipment of the present invention. A side of the hydraulic cylinder (200) is installed on a lower frame (1104) installed on a lower portion between the front post frame (1102) and the rear post frame (1103), a rod of the hydraulic cylinder (200) is coupled to the weight adjusting bar (300) by the fixing band (400).
Fig. 2 shows a sectional view of the hydraulic cylinder installed on the leg press, the fitness equipment of the present invention, hydraulic cylinder (200) of the present invention has an optimized hydraulic oil pressure controlled for 200kg of usual weights of fitness equipment, and the fixing band (400) is installed on a connection of the rod of the hydraulic cylinder (200) to be coupled to the weight adjusting bar (300).
The fixing band (400) is coupled to the weight adjusting bar (300), but tension of the wire (201) differs depending on a position of the fixing band (400) installed on the weight adjusting bar (300), so that the tension differs when the footrest frame (910) having the footrest (900) moves back and forth.

[0018] Thus, the present invention provides a basic technical configuration that a user may do leg press exercise with weight, as a user wants, up to 200kg.
In addition, as shown in Fig. 3(A), the fixing band (400) installed on an upper portion of the rod of the hydraulic cylinder (200) is pin-type-coupled to one of openings formed on the weight adjusting bar (300) in a length direction for controlling tension in accordance with position of the opening coupled to the fixing band (400),
in another way, as shown in Fig. 3(B), embossing portion is formed on an exterior of the weight adjusting bar (300) for having friction force when the fixing band (400) is coupled, so that the tension is controlled by the position of the fixing band (400) coupled to the weight adjusting bar (300).

[0019] As shown in Fig. 3, the weight adjusting bar (300) may be manufactured in two types of A type and B type using the principle of the lever, the B type is capable of adjusting weight by 1 mm, and another A type is capable of adjusting weight in accordance with the position of the openings formed at regular intervals, so that the weight adjusting unit, as consumers want, is manufactured and sold to the consumers.

[0020] The fixing band (400) is to adjust weight, is formed of synthetic resin, is formed of a material having a strength of a bullet-proof material, and is durable, lightweight, easy and convenient to adjust weight, and capable of adjusting weight by 1 mm.

[0021] Fig.5, shows a wire adjusting unit capable of adjusting a length of the wire of the leg press, the fitness equipment of the present invention, the wire adjusting unit (500) is installed on the wire (201) connected between the footrest frame (910) and the weight adjusting bar (300), and controls a length of the wire (201) minutely.

[0022] Fig. 6 shows a noise prevention bearing comprised of joints on opposite sides of the weight adjusting bar of the leg press, the fitness equipment of the present invention, the bearing (600) has a joint function for the weight adjusting bar (300) having a lever function when weight adjustment of the footrest frame (910), and is wedged not to spin, and the same technology is applied on all joints. A lower portion of the weight adjusting bar (300) is combined to the bearing (600) installed on the lower frame (1104) for smooth reciprocation of the weight adjusting bar (300).

[0023] Fig. 7 shows the rubber band delivering tension to the wire and the weight adjusting bar of the leg press, the fitness equipment of the present invention, the rubber band (700) enables the weight adjusting bar (300) to reciprocate right and left, formed of a thin rubber band, and has 20 thin rubber bands woven by nylon threads.
An end of an upper portion of the weight adjusting bar (300) is connected to the wire (201) and another end of the upper portion of the weight adjusting bar (300) is connected to the rubber band (700) connected to the front post frame (1102).

[0024] Fig. 8 shows a wire roller guiding the wire of the leg press, the fitness equipment of the present invention, the wire roller (800) is installed on a lower portion of a handle inside the rear post frame (1103) to guide the wire (201), and is installed in parallel with the footrest frame (910) installed on the central frame (1101) for smooth reciprocation of the weight adjusting bar (300) when the wire (201) moves.

[0025] Fig. 9 shows the footrest moving back and forth on the central frame of the leg press, the fitness equipment of the present invention, footrest (900) is installed on the ball bearings (1100) formed on opposite sides of the footrest frame (910) to be moved by angle of feet of the user.

[0026] Fig. 10 shows a footrest frame buffer unit, a fixing stopper of the footrest frame moving back and forth on the central frame of the leg press, the fitness equipment of the present invention, the footrest frame buffer unit (1000) of the footrest frame (910) is installed on the central frame (1101) at a position that the footrest frame (910) finally returns back on the central frame (1101).
The footrest frame buffer unit (1000) is formed of circular thick rubber and fixed on a side of the central frame (1101) not to move for preventing noise.
Fig. 11 shows the ball bearing installed on the footrest frame of the leg press, the fitness equipment of the present invention, the ball bearings (1100) is formed of metal, is installed on opposite sides of the footrest frame(910), and is formed by PVC injection, so that a portion of the ball bearing (1100) is protruded.
The footrest (900) surrounds upper and lower portion of the central frame (1101) to ensure strong and smooth reciprocation without noise.

[0027] Fig. 12 shows the backrest with a distance control function in accordance with physical conditions of the user using the leg press, the fitness equipment of the present invention, the backrest (1200) is installed on an upper portion of the rear post frame (1103) and has the backrest controller (1200) which controls a distance between the backrest (1200) and the footrest (900) in accordance with a length of feet of the user.

[0028] The backrest controller (1200) moves back and forth and includes a fixing unit which is easy and convenient one-touch type.
Fig. 13 shows a perspective view of the entire leg press, the fitness equipment of the present invention, entire elements of the leg press are described in accordance with symbols in each drawing from Fig.1 to Fig. 12 in order to avoid duplication of previous description.
Like descriptions above, the present invention provides advantages enabling all family members to work out conveniently as well as to train muscle evenly of an entire human body for training various parts of the human body equally by regularly performing weight training, which is for vitalizing blood circulation and cardiopulmonary function, and increasing bone density.


Claims

1. A comprehensive fitness equipment leg press comprises: a footrest (910) and a footrest frame (900) installed to move back and forth on a central frame (1101) connected to a front post frame (1102) and a rear post frame (1103);
a weight adjusting bar (300) is capable of adjusting tension of the footrest (900) by being connected to an end of a wire (201) having another end connected to the footrest frame (910) installed on the central frame (1101);
a hydraulic cylinder (200) generates tension and is coupled to a portion of the weight adjusting bar (300) with a fixing band (400);
a wire roller (800) is installed on a side of the rear post frame (1103), and guides the wire (201) in accordance with movement of the footrest frame (910) to keep the wire (201) tight, which connects the footrest frame (910) and the weight adjusting bar (300);
a rubber band (700) is connected between the front post frame (1102) and weight adjusting bar (300) in order to have tension in accordance with movements of the wire (201);
a handle (1300) is installed on the rear post frame (1103) in order to be held by a user while working out with feet on the footrest (900); and
a backrest (1200) is installed on an upper portion of the rear post frame (1103) and includes a backrest controller (1201) capable of controlling a distance between feet of the user and the footrest.
 
2. The comprehensive fitness equipment leg press of claim 1,
the backrest (1200) includes a backrest controller (1200) capable of controlling a distance between the backrest (1200) and the footrest (900), wherein the backrest controller (1200) is one-touch type controllable and controls a distance of the footrest (900) in accordance with a length of feet of a user.
 
3. The comprehensive fitness equipment leg press of claim 1,
an end of an upper portion of the weight adjusting bar (300) is connected to the wire (201) and another end of the upper portion of the weight adjusting bar (300) is connected to the rubber band (700) connected to the front post frame (1102), wherein a lower portion of the weight adjusting bar (300) is combined to the bearing (600) installed on the lower frame (1104) for smooth reciprocation of the weight adjusting bar (300).
 
4. The comprehensive fitness equipment leg press of claim 1,
a fixing band (400) installed on an upper portion of the rod of the hydraulic cylinder (200) is pin-type-coupled to one of openings formed on the weight adjusting bar (300) in a length direction for controlling tension in accordance with position of the opening coupled to the fixing band (400).
 
5. The comprehensive fitness equipment leg press of claim 1,
embossing portion is formed on an exterior of the weight adjusting bar (300) for having friction force when the fixing band (400) is coupled, so that the tension is controlled by 1 mm in accordance with the position of the fixing band (400) coupled to the weight adjusting bar (300).
 
6. Claim No. 1 refers to the technology by which the several fine rubber strands are weaved into t he thread for wrapping when the strength control bar moves back and forth. It is related to the leg press equipped with the weight training hydraulic cylinder which makes the reciprocating m ovement elastic, strong and smooth without noise.
 




Drawing








































REFERENCES CITED IN THE DESCRIPTION



This list of references cited by the applicant is for the reader's convenience only. It does not form part of the European patent document. Even though great care has been taken in compiling the references, errors or omissions cannot be excluded and the EPO disclaims all liability in this regard.

Patent documents cited in the description