FIELD OF THE INVENTION
This invention relates generally to a weight bar exercise apparatus. More particularly, the present invention relates to a weight bar assembly comprising a first bar, one or more extension bars, and one or more weights.
BACKGROUND OF THE INVENTION
U.S. Pat. No. 7,364,536 to Cappellini et al. discloses a weight bar including an elongated tube having two opposing internally threaded ends. International Patent Publication No. WO9309850 to Siegfried discloses a long dumbbell and a short dumbbell. Korean Patent Application Publication No. KR20170050795 to Park discloses a weight bar including a pair of segments. U.S. Pat. No. 5,628,713 to Wilkinson discloses an adjustable exercise pole.
The weight bar assembly of instant application allows a user to conduct various weight bar exercises. A time duration for assembling the weight bar assembly of instant application is reduced.
SUMMARY OF THE INVENTION
A weight bar assembly comprises a first bar, an extension bar, and a weight. The first bar comprises an elongated cylindrical shaft and a collar. A diameter of the collar of the first bar is larger than a diameter of the elongated cylindrical shaft of the first bar. The collar of the first bar divides the elongated cylindrical shaft into a first exposed portion and a second exposed portion opposite the first exposed portion. The first exposed portion of the elongated cylindrical shaft is longer than the second exposed portion of the elongated cylindrical shaft.
The weight bar assembly further comprises a second bar and an additional weight. The weight bar assembly is characterized by: a separated condition in which the first bar, the extension bar, the second bar, the weight, and the additional weight are separated from one another. The weight bar assembly is characterized by: an assembled condition in which the first bar connects to the extension bar; the extension bar connects to the second bar; the weight is mounted on the first bar; and the additional weight is mounted on the second bar.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 shows a perspective view of a bar in examples of the present disclosure.
FIG. 2 shows a perspective view of an extension bar in examples of the present disclosure.
FIG. 3 shows a side view of components of a weight bar assembly in a separated condition in examples of the present disclosure.
FIG. 4 shows a perspective view of the weight bar assembly of FIG. 3 in an assembled condition in examples of the present disclosure.
FIG. 5 shows a perspective view of a foot attachment in examples of the present disclosure.
FIG. 6 shows a hammer head attachment and an adapter in examples of the present disclosure.
FIG. 7 shows a retaining clamp in examples of the present disclosure.
FIG. 8 shows a perspective view of another weight bar assembly in an assembled condition in examples of the present disclosure.
FIG. 9 shows a perspective view of still another weight bar assembly in an assembled condition in examples of the present disclosure.
FIG. 10 shows a perspective view of yet still another weight bar assembly in a separated condition in examples of the present disclosure.
FIG. 11 shows a side view of components of a weight bar assembly in a separated condition in examples of the present disclosure.
FIG. 12 shows a side view of the weight bar assembly of FIG. 11, in an assembled condition in examples of the present disclosure.
FIG. 13 shows a side view of components of another weight bar assembly in a separated condition in examples of the present disclosure.
FIG. 14 shows a side view of the weight bar assembly of FIG. 13, in an assembled condition in examples of the present disclosure.
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 shows a perspective view of a bar 1 in examples of the present disclosure. The bar 1 comprises an elongated cylindrical shaft 3 and a collar 5. In one example, the collar 5 is made by a single piece construction (for example, by a single casting process). The collar 5 may be welded onto the elongated cylindrical shaft 3 of the bar 1. In one example, the elongated cylindrical shaft 3 comprises an internally threaded end 4. In another example, the elongated cylindrical shaft 3 comprises two opposite internally threaded ends. In examples of the present disclosure, an outer surface of the collar 5 of the bar 1 comprises a constant diameter.
FIG. 2 shows a perspective view of an extension bar 2 in examples of the present disclosure. In one example, the extension bar 2 comprises a bar 210 and a cap 7. In one example, the cap 7 is optional. The bar 210 comprises an externally threaded post 6 at a first end and an internally threaded second end. The cap 7 covers the internally threaded second end.
FIG. 3 shows a side view of components of a weight bar assembly 300 in a separated condition in examples of the present disclosure. The weight bar assembly 300 comprises a bar 1, an extension bar 2, a weight 8, and a retaining clamp 10. In one example, the weight 8 is of a disk shape. In one example, the weight 8 is made by a single piece construction (for example, by a single casting process). In one example, the weight 8 is a slidable weight disk configured to be directly attached to the bar 1 by the retaining clamp 10. In one example, the extension bar 2 is shorter than the bar 1.
FIG. 4 shows a perspective view of the weight bar assembly 300 of FIG. 3 in an assembled condition in examples of the present disclosure. The bar 1 is connected to the extension bar 2. The weight 8 comprises a central hole 9. The weight 8 is mounted on the bar 1 through the central hole 9 of the weight 8.
Referring now to FIGS. 1, 3 and 4, a weight bar assembly 300 comprises a first bar 1, an extension bar 2, and a weight 8. The first bar 1 comprises an elongated cylindrical shaft 3 and a collar 5. A diameter of the collar 5 of the first bar 1 is larger than a diameter of the elongated cylindrical shaft 3 of the first bar 1. The collar 5 of the first bar 1 divides the elongated cylindrical shaft 3 into a first exposed portion 310 and a second exposed portion 330 opposite the first exposed portion 31. The first exposed portion 310 of the elongated cylindrical shaft 3 is longer than the second exposed portion 330 of the elongated cylindrical shaft 3.
In examples of the present disclosure, the first exposed portion 310 of the elongated cylindrical shaft 3 comprises a first constant outer diameter. The second exposed portion 330 of the elongated cylindrical shaft 3 comprises a second constant outer diameter. A value of the first constant outer diameter equals to a value of the second constant outer diameter.
FIG. 5 shows a perspective view of a foot attachment 17 in examples of the present disclosure. The foot attachment 17 comprises a sole foot attachment 18, a strap 20 attached to the sole foot attachment 18, and a transverse bore 19 configured to receive the first bar 1. An end of the transverse bore 19 is a circle 570. The strap 20 is releasable.
FIG. 6 shows a hammer head attachment 14 and an adapter 52 in examples of the present disclosure. The hammer head attachment 14 comprises a cylinder 15 comprising a central, threaded bore 16. The weight bar assembly further comprises the adaptor 52. The adaptor 52 comprises two opposing threaded posts: a first threaded post 53 and a second threaded post 655. The first threaded post 53 is configured to couple with the hammer head attachment 14 through the central, threaded bore 16. The second threaded post 655 is configured to couple with an internally threaded end of the extension bar 2.
FIG. 7 shows a retaining clamp 700 in examples of the present disclosure. In one example, the retaining clamp 700 is spring-biased. The retaining clamp 700 comprises a first button 13, a second button 735, a first bias member 791, a second bias member 793, and a cup-shaped housing 11 comprising a central hole 12. The first button 13 and the second button 735 are positioned on a cone surface 722 of the cup-shaped housing 11. Pressing on the first button 13 toward the cone surface of the cup-shaped housing 11 retracts the first bias member 791 away from a center of the central hole 12 of the cup-shaped housing 11. Pressing on the second button 735 toward the cone surface of the cup-shaped housing 11 retracts the second bias member 793 away from the center of the central hole 12 of the cup-shaped housing 11. Pressing on the first button 13 and the second button 735 does not change the diameter of the central hole 12 of the cup-shaped housing 11.
FIG. 8 shows a perspective view of a weight bar assembly 800 in an assembled condition in examples of the present disclosure. The weight bar assembly 800 comprises a first bar 1, an extension bar 2, an additional extension bar 802, and a weight 8. A first internally threaded end of the elongated cylindrical shaft of the bar 1 is directly attached to the extension bar 2. A second internally threaded end of the elongated cylindrical shaft of the first bar 1 is directly attached to the additional extension bar 802. An internally threaded end 54 of the additional extension bar 802 is covered by the cap 807.
FIG. 9 shows a perspective view of a weight bar assembly 900 in an assembled condition in examples of the present disclosure. The weight bar assembly 900 comprises a first bar 901, a first extension bar 902, a second extension bar 904, a neck pad 51, a first weight 914, and a second weight 916. The first weight 914 is directly attached to the first extension bar 902. The second weight 916 is directly attached to the second extension bar 904. The neck pad 51 is directly attached to the first bar 901.
FIG. 10 shows a perspective view of a weight bar assembly 1000 in a separated condition in examples of the present disclosure. The weight bar assembly 1000 comprises a bar 1, a first cap 1007, a second cap 1009, a rope 60, a plug 61, a threaded post 62, and a weight 1014. One end of the rope 60 is configured to spirally wrap around the bar 1. The threaded post 62 is configured to be coupled with a bore of the weight 1014.
FIG. 11 shows a side view of components of a weight bar assembly 1200 in a separated condition in examples of the present disclosure. FIG. 12 shows a side view of the weight bar assembly 1200 of FIG. 11, in an assembled condition in examples of the present disclosure. The weight bar assembly 1200 comprises a first bar 1201, an extension bar 1202, a second bar 1221, a first weight 1208, and a second weight 1228. The first bar 1201 comprises an elongated cylindrical shaft 1203 and a collar 1205. The second bar 1221 comprises an elongated cylindrical shaft 1223 and a collar 1225.
The weight bar assembly 1200 is characterized by: a separated condition in which the first bar 1201, the extension bar 1202, the second bar 1221, the first weight 1208, and the second weight 1228 are separated from one another.
The weight bar assembly 1200 is characterized by: an assembled condition in which the first bar 1201 connects to the extension bar 1202; the extension bar 1202 connects to the second bar 1221; the extension bar 1202 is between the first bar 1201 and the second bar 1221; the first weight 1208 is mounted on the elongated cylindrical shaft 1203 of the first bar 1201; the first weight 1208 contacts the collar 1205 of the first bar 1201; the second weight 1228 is mounted on the elongated cylindrical shaft 1223 of the second bar 1221; and the second weight 1228 contacts the collar 1225 of the second bar 1221.
In examples of the present disclosure, a length 1292 of the weight bar assembly 1200 is 47 inches (1.19 m). A length 1282 of the first bar 1201 is 21.5 inch (0.54 m). A length 1284 of the second bar 1221 is 21.5 inch (0.54 m). A length 1272 of an exposed portion of the extension bar 1202 is 4 inches (0.1 m).
In examples of the present disclosure, each of the first weight 1208 and the second weight 1228 is of a disk shape. The first weight 1208 is of a single-piece construction (for example, by a single casting process). The second weight 1228 is of another single-piece construction (for example, by another single casting process).
In examples of the present disclosure, the extension bar 1202 comprises a first post 1105 and a second post 1125 opposite the first post 1105. The first post 1105 comprises a first non-threaded section 1106 and a first threaded section 1108 longer than the first non-threaded section 1106 of the first post 1105. The second post 1125 comprises a second non-threaded section 1126 and a second threaded section 1128 longer than the second non-threaded section 1126 of the second post 1125.
In one example, in the assembled condition (FIG. 12), the non-threaded section 1106 is loosely disposed in a cavity of the internally threaded end 1191. In this case, an outer dimeter of the non-threaded section 1106 is in a range from 80% to 95% of an inner diameter of a non-threaded section of the internally threaded end 1191. In another example, in the assembled condition (FIG. 12), the non-threaded section 1106 is lightly pressed (still rotatable) in the cavity of the internally threaded end 1191. In this case, an outer dimeter of the non-threaded section 1106 is in a range from 100.01% to 102% of an inner diameter of the non-threaded section of the internally threaded end 1191.
In examples of the present disclosure, a length 1152 of the extension bar is 9 inches (0.23 m). A length 1142 of the first post 1105 is 2.5 inches (0.06 m). A length 1144 of the second post 1125 is 2.5 inches (0.06 m).
In examples of the present disclosure, the first bar 1201 comprises an internally threaded end 1191. The second bar 1221 comprises another internally threaded end 1193. The internally threaded end 1191 comprises a cavity comprising a stop configured to be contacted by an end of the first post 1105. The internally threaded end 1193 comprises a cavity comprising a stop configured to be contacted by an end of the second post 1125.
In examples of the present disclosure, the weight bar assembly 1200 is characterized by: the assembled condition in which the weight bar assembly 1200 is symmetric with respect to a middle point 1299 of the weight bar assembly 1200.
FIG. 13 shows a side view of components of a weight bar assembly 1400 in a separated condition in examples of the present disclosure. FIG. 14 shows a side view of the weight bar assembly 1400 of FIG. 13, in an assembled condition in examples of the present disclosure. The weight bar assembly 1400 comprises a first extension bar 1420, a second extension bar 1440, and a weight 1460 of a sphere shape. The first extension bar 1420 comprises a first end 1422 comprising internal threads and a post 1424 positioned at a second end of the first extension bar 1420. The second extension bar 1440 comprises a first end 1442 comprising internal threads and a post 1424 positioned at a second end of the second extension bar 1440. The weight 1460 comprises an internally threaded hole 1462.
The weight bar assembly 1400 is characterized by: a separated condition in which the first extension bar 1420, the second extension bar 1440, and the weight 1460 are separated from one another. The weight bar assembly 1400 is characterized by an assembled condition in which the first extension bar 1420 is connected to the second extension bar 1440; and the second extension bar 1440 is connected to the weight 1460.
Those of ordinary skill in the art may recognize that modifications of the embodiments disclosed herein are possible. For example, a mass of the weight 8 may vary. Other modifications may occur to those of ordinary skill in this art, and all such modifications are deemed to fall within the purview of the present invention, as defined by the claims.
Patent Application
20240123277
