GYMNASTIC EQUIPMENT

• US 20110251023A1
• Filed: 04/12/2011
• Published: 10/13/2011
• Est. Priority Date: 04/13/2010
• Status: Active Grant

• Current Assignee: Technogym SpA
• Original Assignee: Technogym SpA
• Inventors: FEDRIGA, Mario
• Granted Patent: US 8,771,154 B2
• Time in Patent Office: Days
• US Class Current: 482/23
• CPC Class Codes: A63B 21/00065 by increasing or reducing the number of resistance units
• CPC Class Codes: A63B 21/00069 Setting or adjusting the resistance level; Compensating for a preload prior to use, e.g. changing length of resistance or adjusting a valve
• CPC Class Codes: A63B 21/026 Bars; Tubes; Leaf springs A63B21/023 takes precedence
• CPC Class Codes: A63B 21/0414 with both ends stationary during the actual exercise, i.e. moving only at intermediate locations
• CPC Class Codes: A63B 21/169 for anchoring on or against a wall
• CPC Class Codes: A63B 2225/09 Adjustable dimensions
• CPC Class Codes: A63B 2225/093 Height
• CPC Class Codes: A63B 2244/04 Bow shooting

Abstract

A gymnastic equipment (1) comprising a frame (10), a load group (20) carried by the frame (10) in a given manner; the load group (20) comprising an elongated elastic body (30) connected to the frame (10) and a flexible member (40) connected to the elastic body (30) in a given manner; the elastic body (30) comprising an arch (30) delimited by two respective end portions (32) (33), each of which being designed to couple with the flexible member (30) in such a manner as to maintain this latter tensioned both at rest and in use, during the execution of a training exercise.

Claims

1. Gymnastic equipment (1) for executing functional exercises and comprising a frame (10), a load group (20) carried by said frame (10) in a given manner;

said load group (20) comprising an elongated elastic body (30) connected to said frame (10) and a flexible member (40) connected to said elastic body (30) in a given manner;

characterised in that said elastic body (30) comprises an arch (30) delimited by two respective end portions (32) (33), each of which being designed so as to couple with said flexible member (40) in such a manner as to maintain said flexible member (40) tensioned both at rest and in use, during the execution of a training exercise;

said frame (10) presenting coupling means (12) suitable to couple with said intermediate portion (36);

said coupling means (12) comprising a base (120) designed to couple rigidly to a fixed body (P) (W).

2. An equipment according to claim 1, characterised in that said load group (20) comprises a handle member (34) associated with said flexible member (40) to facilitate the gripping thereof according to a direction transverse to a longitudinal axis (41) of said flexible member (40), so as to facilitate the application of a tensile stress to said elastic body (30) during the execution of a training exercise.

3. An equipment according to claim 2, characterised in that said arch (30) presents an intermediate portion (36) substantially equidistant from the respective said end portions (32) (33), designed so as to couple with said frame (10).

4. An equipment according to claim 3, characterised in that said coupling means (12) comprise a rod (122) extending from said base (120) and oriented in a given manner relative to this latter.

5. An equipment according to claim 4, characterised in that said rod (122) is telescopic so as to allow the adjustment of a respective longitudinal extension thereof.

6. An equipment according to claim 5, characterised by comprising first blocking means (50) designed to fix a longitudinal extension of said telescopic rod (122);

said rod (122) comprising at least one first element (14) and one second element (14′

), elongated and mutually coupled in a longitudinally slidable manner, and presenting at least one first and one second holes (15) (15′

) oriented transversally to said rod (122);

said first blocking means (50) comprising at least one first pivot pin (52) suitable to engage said transverse first and second holes (15) (15′

) to block reciprocally said first element (14) and second element (14′

) in axial direction.

7. An equipment according to claim 5, characterised in that said arch (30) is connected to said rod (122) through the interposition of a first joint (16) designed to allow transverse movements of said arch (30) relative to said rod (122).

8. An equipment according to claim 3, characterised in that said coupling means (12) comprise a guiding member (124) coupled rigidly to said fixed body (W) and a slide (126), which are prismatically coupled to each other;

said arch (30) being connected to said slide (126) to allow to adjust an arrangement of said arch (30) along said guiding member (124).

9. An equipment according to claim 8, characterised in that said arch (30) is connected to said slide (126) through the interposition of a second joint (18) designed to allow transverse movements of the arch (30) relative to said guiding member (124).

10. An equipment according to claim 8, characterised in that said coupling means (12) comprise an articulated quadrilateral (60) arranged between said arch (30) and said guiding member (124) to adjust a distance between said arch (30) and said guiding member (124).

11. An equipment according to claim 10, characterised in that said guiding member (124) comprises at least one elongated cylindrical body (128) oriented according to a given direction (D);

said slide (126) comprising a sleeve (127) coupled to said cylindrical body (128) in a freely axially slidable and freely rotatable manner, to rotate, in use, said arch (30) relative to said cylindrical body (128).

12. An equipment according to claim 9, characterised in that said second joint (18) is of the rotoidal type.

13. An equipment according to claim 1, characterised in that said flexible member (40) is substantially non extendable and presents a respective working length (LU) of given extension delimited by said end portions (32) (33).

14. An equipment according to claim 1, characterised in that said flexible member (40) presents a first and a second end (42) (43) stably connected respectively to one of said first and second end portions (32) (33).

15. An equipment according to claim 13, characterised in that said flexible member (40) presents at least one third end (42′

) connected to said arch (30) in a slidable manner between said first and second end portions (32) (33) through the use of a carriage (72) coupled to said arch (30) in a freely slidable and transversely selectively blockable manner, to allow to vary at will said working length (LU) and the entity of the load acting on said handle (34).

16. An equipment according to claim 14, characterised in that said flexible member (40) is connected to said arch (30) through the interposition of a winder (80) to allow to vary at will the extension of said working length (LU) of said flexible member (40) and the entity of the load acting on said handle (34).

17. An equipment according to claim 10, characterised in that said articulated quadrilateral (60) presents a plurality of levers (62), each of which being coupled to said slide (126) or rotatably to each other two by two through rotoidal pairs (64);

at least some of said rotoidal pairs (64) presenting a blocking unit (66) suitable to fix an inclination of a said lever (62) respective to said slide (126), or of two levers (62) coupled rotatably to each other, in a stable manner.

18. An equipment according to claim 17, characterised in that at least one of said blocking units (66) comprises an elastic member (68) suitable to exert an adjustable elastic strength, which, in use, contrasts a relative movement of the corresponding coupled members.

19. An equipment according to claim 3, characterised in that said arch (30) presents a pair of arms (90), each of which is connected to said intermediate portion (36) through a hinge (92);

an elastic member (94) being arranged between each said arm (90) and a tablet (91) associated to said intermediate portion (36) so as to engage angularly the corresponding said arm (90) and, therefore, to give stiffness to said arch (30) as a whole and a given tension to said flexible member (40).

20. An equipment according to claim 19, characterised in that each said elastic member (94) comprises a torsion spring (94) and presents a respective end element (95) connected to said tablet (91) and a further end element (96) connected to the corresponding said arm (90);

each said further end element (96) being connected to said tablet (91) in a fixed and selectively rotatable manner to allow to rotate it axially to set a torque exerted by said spring (94) and therefore a value of said tension acting on said flexible member (40).

21. An equipment according to claim 3, characterised by comprising a crossbow-shaped member (100) shaped similarly to said arch (30), stably coupled to this latter close to said intermediate portion (36) and presenting longitudinal extension globally approximating a longitudinal extension of said arch (30);

said crossbow-shaped member (100) presenting a pair of arms (101) extending at opposite sides from said intermediate portion (36) and the crossbow-shaped member (100);

coupling means (104) being provided to couple transversally said arch (30) with said crossbow-shaped member (100).

22. An equipment according to claim 21, characterised in that said coupling means (104) comprise, for each said arm (101), a pivot pin (106) and are designed to connect transversally in a close manner said arch (30) and said crossbow-shaped member (100) in a given position relative to said intermediate portion (36) to combine flexural stiffness of the arch and of said crossbow-shaped member (100).

23. An equipment according to claim 21, characterised by presenting a plurality of crossbow-shaped members (100′

) carried in a close manner by said frame (10) next to said intermediate portion (36);

each said crossbow-shaped member (100′

) being delimited by two respective free ends (120), each of which presenting a third through hole (122);

said third holes (122) obtained at the same side relative to said intermediate portion (36) being mutually concentric so as to be connected by a transverse member (124);

said ach (30) presenting, for each said end portion (32) (33), a fourth through hole (35) arranged in a position, which can face said third holes (122), so as to be connected to one or more of the crossbow-shaped members (100′

) through said transverse member (124) so as to adjust at will a stiffness of said arch (30).