EP3746191A1 - Équipement d'entraînement avec des poids modifié - Google Patents

Équipement d'entraînement avec des poids modifié

Info

Publication number
EP3746191A1
EP3746191A1 EP19748457.9A EP19748457A EP3746191A1 EP 3746191 A1 EP3746191 A1 EP 3746191A1 EP 19748457 A EP19748457 A EP 19748457A EP 3746191 A1 EP3746191 A1 EP 3746191A1
Authority
EP
European Patent Office
Prior art keywords
weight object
elastomeric material
weight
spaced holes
bumper plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19748457.9A
Other languages
German (de)
English (en)
Other versions
EP3746191A4 (fr
Inventor
Kyle D. ROTHSCHILD
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sound Shore Innovations LLC
Original Assignee
Sound Shore Innovations LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US15/885,292 external-priority patent/US11260257B2/en
Application filed by Sound Shore Innovations LLC filed Critical Sound Shore Innovations LLC
Publication of EP3746191A1 publication Critical patent/EP3746191A1/fr
Publication of EP3746191A4 publication Critical patent/EP3746191A4/fr
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/06—User-manipulated weights
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/06—User-manipulated weights
    • A63B21/072—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle
    • A63B21/0726—Dumb bells, i.e. with a central bar to be held by a single hand, and with weights at the ends
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/00058—Mechanical means for varying the resistance
    • A63B21/00065—Mechanical means for varying the resistance by increasing or reducing the number of resistance units
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/06—User-manipulated weights
    • A63B21/0601—Special physical structures of used masses
    • A63B21/0607—Plastic masses, e.g. elastomers; Masses provided with plastic coverings
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/06—User-manipulated weights
    • A63B21/072—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/06—User-manipulated weights
    • A63B21/072—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle
    • A63B21/0728—Dumb-bells, bar-bells or the like, e.g. weight discs having an integral peripheral handle with means for fixing weights on bars, i.e. fixing olympic discs or bumper plates on bar-bells or dumb-bells
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/0036—Accessories for stowing, putting away or transporting exercise apparatus or sports equipment
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/0054—Features for injury prevention on an apparatus, e.g. shock absorbers
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/0054—Features for injury prevention on an apparatus, e.g. shock absorbers
    • A63B2071/0063—Shock absorbers

Definitions

  • weight training equipment may include one or more shock absorber regions for increasing shock absorption and reducing noise during use.
  • a weight object configured to be lifted from a ground surface includes a first portion made of high-durometer material, a second portion made of elastomeric material having lower durometer than the first portion, and a handle for holding the weight object and lifting the object from the ground surface, where the second portion includes spaced holes within the elastomeric material for absorbing noise generated when the weight object is dropped on the ground surface.
  • the second portion may be an outer portion of the weight object that comes into contact with the ground surface.
  • the second portion may be an inner portion of the weight object that does not come into contact with the ground surface.
  • the handle may include a handgrip.
  • the first and second portions may together be shaped as a bumper plate and the handle may include a bar passing through an opening in the plate.
  • At least one of the spaced holes may pass completely through the elastomeric material.
  • At least one of the spaced holes may pass partially through the elastomeric material.
  • Several of the spaced holes may pass partially through the elastomeric material of which adjacent spaced holes open in opposite directions.
  • the second portion may be shaped as a ring and the spaced holes may be evenly spaced around the ring.
  • a shape of the spaced holes may be at least one of hexagonal, circular, square, triangular, and trapezoidal.
  • the first and second portions together may be shaped as a bumper plate, and the second portion may be on the outer side of the bumper plate enveloping the first portion.
  • a weight object shaped as a bumper plate configured to be lifted from a ground surface includes at least one elastomeric material including spaced holes therein for absorbing noise generated when the weight object is dropped on the ground surface, and an opening configured to receive a handle for lifting the weight object.
  • the at least one elastomeric material may include at least two elastomeric materials each having spaced holes therein for absorbing noise.
  • the at least one elastomeric material may have at least two rows of spaced holes for absorbing noise.
  • the at least one elastomeric material may have spaced holes therein is positioned on the periphery of the bumper plate, which periphery makes contact with the ground surface when the object is dropped.
  • the at least one elastomeric material may include at least two elastomeric materials each having a different durometer.
  • a shape of the spaced holes may be at least one of hexagonal, circular, square, triangular, and trapezoidal.
  • At least one of the spaced holes may pass completely through the elastomeric material.
  • At least one of the spaced holes may pass partially through the elastomeric material.
  • the weight object may further include a handle inserted in the opening for holding the weight object and lifting the object from the ground surface.
  • spaced holes may pass partially through the elastomeric material of which spaced holes open in opposite directions.
  • the weight object may include a contact surface coming in contact with the ground surface when the object is dropped or is rested, and when the object is rested at least one hole in the at least one elastomeric material may extend parallel to the ground surface.
  • the weight object may include a contact surface coming in contact with the ground surface when the object is dropped or is rested, and when the object is rested at least one hole in the at least one elastomeric material may extend perpendicular to the ground surface.
  • a weight object shaped as a bumper plate and configured to be lifted from a ground surface includes a first portion positioned in a center of the bumper plate and made of elastomeric material, a second portion positioned on a periphery of the bumper plate and made of elastomeric material, where a periphery of the first portion includes a shaped groove formed circumferentially around the periphery, and the second portion is molded into the first portion with a projection shaped to match the shaped groove in the first portion, and at least one of the first and second portions comprises spaced holes within the elastomeric material for absorbing noise generated when the weight object is dropped on the ground surface.
  • the shaped groove in the first portion and the corresponding projection of the second portion may be T- shaped.
  • At least one of the spaced holes may pass completely through the elastomeric material.
  • At least one of the spaced holes may pass partially through the elastomeric material.
  • spaced holes may pass partially through the elastomeric material, of which adjacent spaced holes open in opposite directions.
  • the first and second portions may include different durometer elastomeric materials.
  • a noise absorbing article for use with a weight object, the article comprising: a first portion made of elastomeric material, the first portion comprising spaced holes within the elastomeric material for absorbing noise generated when the weight object is dropped on a solid surface; and side extensions made of elastomeric material, the extensions being shaped to correspond to a portion of the weight object to mount the noise absorbing article onto the weight object.
  • the weight object may be a bumper plate.
  • the side extensions enable mounting the noise absorbing article onto the bumper plate in a slip over engagement.
  • the noise absorbing article is shaped as a sector that fits over part of the outer periphery of the bumper plate.
  • the noise absorbing article may have a donut shape that fits over the entire outer periphery of the bumper plate.
  • the noise absorbing article may have two symmetrical parts that in combination fit over the entire outer periphery of the bumper plate.
  • the side extensions of the article may be provided with groves to facilitate mounting the article over the bumper plate.
  • a noise absorbing weight object comprising: one or more bumper plates, each bumper plate having an outer periphery outfitted with noise absorbing elastomeric material; two side portions made of noise absorbing elastomeric material, each side portion dimensioned to extend to or beyond the outer periphery of the one or more bumper plates; and a connector, passing through the opening of the one or more bumper plates, and into each of the two side portions to hold the one or more bumper plates and the side portions as one composite noise absorbing weight object.
  • the connector can be a threaded connector that fits into corresponding openings of the two side portions.
  • Each of the two side portions can be shaped as a hemisphere that fits the outer periphery of the bumper plate.
  • the weight of the two side portions, the one or more bumper plates and the connector can be selected to match a pre-determined weight of a medicinal ball.
  • FIG. l is a diagram illustrating a front perspective view of a conventional bumper plate.
  • FIG. 2 is a diagram illustrating a front perspective view of an example of a quiet bumper plate.
  • FIG. 3 is a diagram illustrating a front perspective view of another example of a quiet bumper plate.
  • FIG. 4 is a diagram illustrating a side perspective view of an example of a quiet dumbbell.
  • FIG. 5 is a diagram illustrating a side perspective view of another example of a quiet dumbbell.
  • FIG. 6 is a diagram illustrating a side perspective view of an example of a quiet kettlebell.
  • FIG. 7 is a diagram illustrating a front perspective view of another example of a quiet kettlebell.
  • FIG. 8 is a diagram illustrating a side perspective view of a crescent shock absorber.
  • FIG. 9 is a diagram illustrating a front view of yet another example of a quiet bumper plate and a perspective view of a barbell with two quiet bumper plates.
  • FIG. 10 is a diagram illustrating a front view of an additional example of a quiet bumper plate and a perspective view of a barbell with two quiet bumper plates.
  • FIG. 11 is a diagram illustrating a front view of another additional example of a quiet bumper plate and a perspective view of a barbell with two quiet bumper plates.
  • FIG. 12 is a diagram illustrating a front view of a further example of a quiet bumper plate and a perspective view of a barbell with two quiet bumper plates.
  • FIG. 13 is a diagram illustrating a quiet bumper plate formed by a two-part molding process of one or more materials.
  • FIG. 14 is a diagram illustrating a slip over design variations for use with a bumper plate in one example.
  • FIG. 15 is a diagram illustrating front, side and perspective views of a barbell with two slip over variation quiet bumper plates.
  • FIG. 16 is a diagram illustrating a stealth ball in different views, including exploded and assembled configuration in one example.
  • FIG. 17 is a disassembled variation of a quiet stealth ball in one example.
  • FIG. 18 is a fully assembled variation of the quiet stealth ball in FIG. 17.
  • the term“about” means plus or minus 10% of a given value unless specifically indicated otherwise.
  • the term“shaped” means that an item has the overall appearance of a given shape even if there are minor variations from the pure form of said given shape.
  • a pass through hole or a hole that passes completely through is one that provides an opening in a solid body through which something, such as air, can pass.
  • a pass through hole opens on opposite sides of the solid body or surface.
  • a hole that passes partially through opens only on one side of the solid body or surface.
  • A“groove” is a cut or depression on a material surface that is not surrounded by the material.
  • A“layer” is a sheet, quantity or thickness of material forming a solid body or surface.
  • the term“quiet” will also be used to designate modified weights (i.e., bumper plates, dumbbells, kettlebells, etc) in accordance with different examples of the present invention that tend to exhibit low noise upon impact.
  • FIG. 1 is a front perspective view of a prior art bumper plate 100.
  • a bumper plate is a disk shaped weight that is mounted on a bar bell for weight training.
  • the bumper plate includes an outer rim 102, body 104, hub 106 and collar 108.
  • the collar describes a central bar hole 110.
  • the interface between the rim and body includes an undercut 114.
  • the thickness of the body may be somewhat less than the thickness of the rim.
  • the interface between the body and the hub includes a step 116.
  • the hub may have a larger thickness than the body.
  • the larger thicknesses of the rim and hub relative to the body allow for raised indicia 120 to be molded into the body.
  • the hub and rim protect said indicia when the bumper plate lies flat on the ground.
  • the undercut also acts as a handle to make it easier to lift the bumper plate.
  • the outer edge of the rim includes a bevel 112. This makes it easier to pick up the bumper plate when it is lying flat
  • a typical bumper plate may have a radius 122 in the range of 8.75 inches to 8.86 inches (222.25 mm to 225.044 mm). Radius of 8.86 inches (222.25 mm) is a standard size for competition.
  • the bar hole radius 126 is about 1 inch (25.4 mm).
  • the hub radius 124 is about 4.26 inches (108.204 mm).
  • the rim height 132 is about 1.77 inches (44.958 mm).
  • the undercut is about 0.43 inches (10.922 mm).
  • the rim thickness 136 may be in the range of 1.4 inches to 3.75 inches (35.56 mm to 95.25 mm) depending upon the weight of the bumper plate.
  • the bumper plate may be made of solid rubber, bonded crumb rubber, polyurethane or other elastomer.
  • the durometer of the elastomer may be in the range of 70 to 90.
  • the collar may be made of metal.
  • the hub may include a metal disk plate for extra weight.
  • FIG. 2 is a front perspective view of a modified bumper plate 200 in one example of the present invention.
  • the bumper plate in Figure 2 is disk shaped with a shock absorber region 220 in the rim 202.
  • the shock absorber region 220 includes a first circumferential row of first holes 222.
  • the holes 222 pass transversely through the rim and are evenly spaced. In a different example, the holes 222 do not pass completely through the rim but go through only partially.
  • the holes 222 in this example are hexagonal, but any shape may be used. Some shapes which may be used for the hole include, but are not limited to, circle, square, triangle, trapezoidal among any other shapes including irregular shapes.
  • the internal comers of the hexagons are rounded to reduce material cracking.
  • a suitable internal radius of curvature of the internal comers 242 is in the range of 0.02 inches to 0.05 inches (0.05 mm to 1.27 mm).
  • the elastomeric material between the holes 222 forms radial walls 224.
  • the holes 222 and surrounding radial walls 224 act as shock absorbers when the bumper plate is dropped on the ground thus reducing the noise emitted without unduly increasing bounce.
  • a suitable first hole width 226 is in the range of 0.5 inches to 0.75 inches (12.7 mm to 19.05 mm).
  • a suitable hole spacing 228 is in the range of 0.75 inches to 1.5 inches (19.05 mm to 38.1 mm).
  • a suitable wall width 230 is in the range of 0.13 inches to 0.5 inches (3.301 mm to 12.7 mm).
  • a suitable wall height 232 is in the range of 0.5 inches to 1 inch (12.7 mm to 25.4 mm).
  • a suitable spacing for other shapes can vary and be experimentally determined as discussed below.
  • a second circumferential row of second holes 234 may be provided adjacent to the row of first holes. As illustrated, the second holes 234 pass transversely through the disk, although in a different example may penetrate only partially.
  • the second holes 234 form a plurality of circumferential walls 236 with the first holes 222.
  • the second row of holes 234 and respective walls provide additional shock absorbing capability.
  • Additional rows of holes may be provided, as desired.
  • the holes 222, 234 do not have to be the same shape or size within a given row.
  • a suitable overall height of the shock absorber 238 region taken up by the rows of holes 222, 234 may be in the range of 0.5 inches to 1.5 inches (12.7 mm to 38.1 mm) for standard size equipment or vary in range for alternative designs.
  • Sufficient clearance 254 should be provided between the first holes 222 and the outer radial surface of the disk 256 to form a skin 252.
  • a suitable skin thickness is typically in the range of 0.06 inches to 0.25 inches (1.524 mm to 6.35 mm). Larger thicknesses can be used for stronger skins depending on the selected material.
  • the outer radial surface may also include radial projections (not shown) that can act as additional shock absorbers.
  • the shock absorber region 238 may be positioned on the outermost 2.5 inches to 3 inches (63.5 mm to 76.2 mm).
  • the quiet bumper plate may include a rim 202, body 204, hub 206 and collar 208.
  • An undercut 212 may be provided at the interface of the rim and body.
  • a step 214 may be provided at the interface of the body and hub.
  • the dimensions of the rim, body, hub, collar, undercut and step may be similar to the dimensions of the corresponding features of the prior art bumper plate of Figure 1.
  • the undercut and step recess the body relative to the rim and hub so that raised indicia 216 may be provided in the body.
  • a bevel (not shown) may also be provided on the outer corner of the rim.
  • the outer dimensions of the plate preferably are similar to those of standard equipment but can vary in different settings.
  • the thickness 244 of the plate a may be increased to account for the loss of material from the holes 222, 234.
  • Higher density materials may be also be added in different examples.
  • An example is the use of metal plates provided at the hub or internal to the bumper plate to increase overall density without unduly increasing thickness.
  • the quiet bumper plate may be made of an elastomer, such as rubber, pressed crumb rubber, poly urethane or mixtures thereof.
  • Durometers may be in the range of 60 to 90. Lower durometer elastomers may be used in bumper plates designated for home use. This will help keep the noise to levels acceptable in homes.
  • a different durometer may be used in the shock absorber region relative to the rest of the quiet bumper plate.
  • FIG 3 is a front perspective view of an alternative quiet bumper plate 300. This is similar to the quiet bumper plate of Figure 2 except the shock absorber region 302 includes first holes 304 with an elongated inverted trapezoidal shape. The first holes 304 are evenly spaced circumferentially. Radial walls 306 are formed between the holes 304. The radial walls 306 have a relatively wide base and narrow top.
  • FIG 4 is a side perspective view of a quiet dumbbell 400.
  • the dumbbell includes a conventional hexagonal weight dumbbell 404 with a shock absorber 402 provided around each weight.
  • the dumbbell 404 may be made of metal and the shock absorber 402 may be made of an elastomer.
  • the holes in the shock absorber are similar to the holes in the quiet bumper plate of Figure 2, or may be adjusted to comport with the overall dimensions of the dumbbell.
  • FIG. 5 is a side perspective view of an alternative quiet dumbbell 500.
  • the dumbbell includes a conventional hexagonal weight dumbbell 404 with a shock absorber 502 provided around each weight.
  • the dumbbell 404 may be made of metal and the shock absorber 502 may be made of an elastomer.
  • the holes in the shock absorber are similar to the holes in the quiet bumper plate of Figure 3, or may be adjusted to comport with the dimensions of the dumbbell.
  • the shock absorbers for either quiet dumbbell ( Figure 4 or Figure 5) may have one or more flat outer surfaces for storage and stacking (not shown).
  • the shock absorbing elastomeric layer can be configured so that the weight can retain the shape of a conventional hexagonal weight dumbbell.
  • FIG. 6 is a side perspective view of a modified kettlebell 600.
  • the kettlebell 600 includes a conventional kettlebell 604 with several shock absorber crescents 602 provided around the weight.
  • the kettlebell 600 may be made of metal and the shock absorber crescents may be made of an elastomer.
  • the holes in the shock absorber crescents are similar to the holes in the quiet bumper plate of Figure 2 or modified as necessary to correspond to the dimensions of the kettlebell.
  • the crescents may be attached to the kettlebell by any known means, such as welding, gluing, pre-molding or other means.
  • Six to eight crescents are provided radially and join at the bottom of the kettlebell. Sufficient number of crescents are applied so that the metal kettlebell within the crescents does not hit the ground when dropped.
  • FIG 7 is a front perspective view of an alternative modified kettlebell 700.
  • the kettlebell includes a conventional kettlebell 604 with several shock absorber crescents 702 provided around the weight.
  • the kettlebell 604 may be made of metal and the shock absorber crescents 702 may be made of an elastomer.
  • the holes in the shock absorber crescents are similar to the holes in the quiet bumper plate of Figure 3 or adjusted to the dimensions of the device.
  • the crescents may be attached to the kettlebell by any known means, such as welding, gluing, or pre-molding. In this example, six to eight crescents are provided radially and join at the bottom of the kettlebell though more or less crescents may be used.
  • the holes may extend through only partially through the shock absorber crescents.
  • Alternative designs for a quiet kettlebell that does not use absorber crescents may include a heavy inner portion and an elastomeric outer portion provided with shock absorbing holes of different dimensions and arrangements.
  • the holes can be formed extending radially toward the center of the kettlebell or at an angle.
  • the ends of crescents 602 and 702 facing the top of the kettlebell may gradually taper to avoid sharp edges (not shown).
  • the shock absorbing portion of the kettlebell can be configured as a layer of elastomeric material with holes therein that envelops the metal core of the kettlebell.
  • FIG 8 is a side perspective view of a crescent shock absorber 800 made according to the current invention.
  • the crescent has a thickness 810 of about 1 inch (25.4 mm). It has a height 812 of about 1 inch. It has an arcuate shape with a crescent angle 806 of about 90°.
  • the radius of curvature to the inside surface 808 is about 8.75 inches (222.25 mm).
  • the crescent would conform to the outer curvature of the prior art bumper plate of Figure 1.
  • a single row of evenly spaced hexagonal first holes 811 is provided.
  • the hole spacing 814 in one example, may be about 1 inch (25.4 mm).
  • the hole width 816 is about 0.63 inches (16.002 mm).
  • the radial walls between the holes each have a width 818 of about 0.38 inches (9.652 mm).
  • the skin thickness 822 is about 0.13 inches (3.302 mm).
  • DualLockTM fastener 804 is provided on the inside surface of the crescent in a specific implementation.
  • the first half was mated to the corresponding second half of the DualLock fastener that was bonded to the outer radial surface of a conventional bumper plate similar to the one shown in Figure 1.
  • the crescent was formed by molding a thermoplastic elastomeric compound, StantopreneTM 101-64 (item 802).
  • the rated durometer of the Stantoprene was Shore A 69.
  • a test was conducted with a conventional barbell weighing 135 lb.
  • the barbell had a bumper plate on each end of the style shown in Figure 1.
  • the barbell was dropped from a height of 4’ 10 inches (147.32 cm) onto a rubber stall mat covering a poured concrete floor.
  • the noise of the impact was measured with a decibel meter.
  • 136 dB was recorded when the barbell was dropped without any crescent shock absorbers on the bumper plates.
  • Figure 9 is a diagram illustrating a front view of yet another example of a quiet bumper plate and a perspective view of a barbell with the quiet bumper plate.
  • FIG. 9 another example of a quiet bumper plate 900 is illustrated that is similar to the quiet bumper plate of Figure 2 except there are at least two shock absorber regions 902, 908.
  • the first region 902 includes a first circumferential row of holes 904 and possibly a second circumferential row of holes 906, and the second region 908 includes a third circumferential row of holes 910 and possibly a fourth circumferential row of holes 912.
  • the dimensions of the first circumferential row of holes 904 and the third circumferential row of holes 910 may be the same, and may have the same dimensions as described in reference to the first holes 222 of the quiet bumper plate 200 of Figure 2.
  • the dimensions of the optional second circumferential row of holes 906 and the fourth circumferential row of holes 912 may be the same, and may have the same dimensions as described in reference to the second holes 234 of the quiet bumper plate 200 of Figure 2. Other dimensions including the internal radius of curvature of the internal corners of the holes 904,
  • each shock absorber region 902, 908 taken up by two rows of holes, and the skin thickness may be the same as the dimensions provided in the example of Figure 2.
  • the distance between the outer rim of the bumper plate 900 and the outermost edge of the second shock absorber region 908 may be 5 inches to 7.5 inches (127 mm to 190.5 mm), where the outermost edge of the second shock absorber region 908 is defined by a circle contacting the point of each holes 910 which is closest to the outer rim of the bumper plate 900.
  • adjacent holes in a row may alternate in a pattern where every other hole faces (i.e. are open in) one direction, and the alternate adjacent holes face (i.e. are open in) the other direction.
  • This hole arrangement may be applied to all embodiments described in this application (i.e., Figures 3-11), and is intended to improve the structural integrity of the shock absorbing portions of the respective weights.
  • FIG 10 is a diagram illustrating a front view of an additional example of a quiet bumper plate and a perspective view of a barbell with the quiet bumper plate.
  • FIG 10 another example of a quiet bumper plate 1000 is illustrated that is similar to the quiet bumper plate of Figure 9 except there is only the inner shock absorber region 1002.
  • This region 1002 includes a first circumferential row of holes 1004 and an optional second circumferential row of holes 1006.
  • the dimensions of the first circumferential row of holes 1004 may be the same as described in reference to the first holes 222 of the quiet bumper plate 200 of Figure 2.
  • the dimensions of the second circumferential row of holes 1006 may be the same as described in reference to the second holes 234 of the quiet bumper plate 200 of Figure 2.
  • Other dimensions including the internal radius of curvature of the internal corners of the holes 1004, 1006 hole spacing, wall width, wall height, overall height of the shock absorber region 1002 taken up by the two rows of holes, and the skin thickness may be the same as the dimensions provided in the example of Figure 2, or vary as desired.
  • the distance between the outer rim of the bumper plate 1000 and the outermost edge of the shock absorber region 1002 may be 5 inches to 7.5 inches (127 mm to 190.5 mm), where the outermost edge of the shock absorber region 1002 is defined by a circle contacting the point of each holes 1004 which is closest to the outer rim of the bumper plate 1000.
  • the sizes and dimensions of holes may vary according to optimal dimensions determined through testing. That is, testing procedure can be used to help design modified bumper plates, or more generally weights, with desired
  • running the described tests on different hole designs can determine the hole configuration that is optimal for a desired noise level and/or weight equipment.
  • Figure 11 is a diagram illustrating a front view of another example of a quiet bumper plate and a perspective view of a barbell with the quiet bumper plate.
  • FIG. 11 another example of a quiet bumper plate 1100 is illustrated. This example is similar to the quiet bumper plate of Figure 10 except the inner shock absorber region 1102 is closer to the collar of the bumper plate 1100.
  • This region 1102 includes a first circumferential row of holes 1104 and an optional second circumferential row of holes 1106.
  • the dimensions of the first circumferential row of holes 1104 may be the same as described in reference to the first holes 222 of the quiet bumper plate 200 of Figure 2, or may vary as desired or dictated by design.
  • the dimensions of the second circumferential row of holes 1106 may be the same as described in reference to the second holes 234 of the quiet bumper plate 200 of Figure 2.
  • Other dimensions including the internal radius of curvature of the internal corners of the holes 1104, 1106 hole spacing, wall width, wall height, overall height of the shock absorber region 1102 taken up by the two rows of holes, and the skin thickness may be the same as the dimensions provided in the example of Figure 2, or may vary as desired or dictated by design.
  • the distance between the outer rim of the bumper plate 1100 and the outermost edge of the shock absorber region 1102 may be 6 inches to 7.5 inches (152.4 mm to 190.5 mm), where the outermost edge of the shock absorber region 1102 is defined by a circle contacting the point of each holes 1104 which is closest to the outer rim of the bumper plate 1100.
  • FIG 12 is a diagram illustrating a front view of a further example of a quiet bumper plate 1200 and a perspective view of a barbell with the quiet bumper plate.
  • the bumper plate 1200 of Figure 12 is a variation of the bumper plate 200 illustrated in Figure 2 in which a high- density foam is added to the open spaces of the shock absorbing holes on the outer ring.
  • a high- density foam is added to the open spaces of the shock absorbing holes on the outer ring.
  • foam by adding the foam to the open spaces of the shock absorbing holes, all the benefits of the bumper plate 200 of Figure 2 are retained with the added benefits of reduced noise reduction and compression and increased durability.
  • foam may be added to only the first row of
  • the foam may be added to only the second row of circumferential holes and not the first row of circumferential holes. Further, foam may be added to only half of the holes in any type of arrangement such as every other hole or only on one side of the bumper plate 1200. This example may be applied to all embodiments illustrated; that is, foam may be used to fill holes in all embodiments described throughout the application. Other materials may also be used to fill the holes such as elastomeric, gel, or other materials.
  • shock absorber regions may be similar to the ones described above.
  • the shock absorber mats may be made by extrusion.
  • Figure 13 is a diagram illustrating a quiet bumper plate formed by a two-part molding process of one or more materials.
  • the center section 1310 of the plate 1300 may be molded to the outside ring 1320 in a two-part molding process. This manufacturing process would allow the center section 1310 of the plate 1300 to be molded in a higher density rubber allowing for reduced bounce and greater durability.
  • the center section 1310 may be formed of rubber having a density in the range of 50 durometers to 70 durometers, preferably in the range of 55 durometers to 70 durometers, and most preferably in the range of 59 durometers to 69 durometers.
  • the outside ring 1320 may be formed of rubber having a density in the range of 70 durometers to 90 durometers, preferably in the range of 75 durometers to 90 durometers, and most preferably in the range of 79 durometers to 89 durometers.
  • Higher density or durometer bumper plates bounce less and are more durable than lower density plates. Accordingly, at least one advantage of a higher density outside ring 1320 includes providing a more durable and less bouncy bumper plate while maintaining the shock absorption advantages of a lower durometer center section
  • the center section 1310 may be formed of rubber having a higher density than the rubber forming the outside ring 1320.
  • the lower density section may be formed on the outside while the higher density section is formed on the inside.
  • the center section 1310 and the outside ring 1320 may be formed of different density materials or different materials altogether including any one or more of a rubber, a polymer, a metal, other elastomers, or other materials.
  • a method of manufacturing the bumper plate 1300 includes molding the center section 1310 of the plate 1300 with an inverted T-shaped groove 1315 formed circumferentially around the entirety of the outer ring, as illustrated in the cross-sectional view of the bumper plate 1300.
  • the outer section 1320 could be molded with a T-shaped projection 1325 formed circumferentially around the entirety of the outer section 1320 which corresponds to the T-shaped groove 1315 of the center section 1310.
  • the outer section 1320 is also molded to include a first row of circumferential holes 1330 and a second row of circumferential holes 1335.
  • the bumper plate 1300 having the same arrangement of holes as provided in the bumper plate 200 of the example in Figure 2 but the bumper plate 1300 being formed on one or more materials having different characteristics. While this example describes a T-shaped groove 1315 and a T- shaped projection 1325, it should be appreciated that a number of other shapes may be used for the groove and projection such as corresponding squares, triangles, U-shapes, among any other shapes. In addition, while this example describes the grooves and projections around the entire circumference of the bumper plate 1300, it should be appreciated that the grooves and projections may be formed around one or more partial sections around the bumper plate 1300.
  • the inner section may also be molded with holes to result in a bumper plate 900 as provided in the example in Figure 9, or the inner section only may be molded with holes to result in a bumper plate 1000, 1010 as provided in the examples of Figures 10 and 11.
  • the resulting bumper plate 1300 may include holes that are filled with foam as described in connection with the description provided for Figure 12.
  • test parameters were as follows:
  • the described examples are not limited to any particular equipment size. Further one of skill in the art will recognize that the bumper plates, dumbbells, kettlebells, and shock absorbers described herein are not limited to any type of material. As a non-limiting example, the bumper plates are formed primarily from rubber. One skilled in the art will recognize that other diameters, types and thicknesses of preferred materials can be utilized when taking into consideration preferred shock absorption characteristics and different applications that can be determined and optimized, for example, via sound testing as described above.
  • An additional configuration is envisioned as part of all embodiments discussed above.
  • the modification is based on the“sealing” of the outward facing holes, similar to a familiar sealing of a honeycomb.
  • the sealing may be achieved with a membrane that covers the outward facing openings, thus protecting them from dirt without affecting the overall design and/or efficiency of the holes.
  • Methods for sealing the outward facing holes to this end will be apparent to a person having ordinary skill in the art. This may include but is not limited to sealing using an additional elastomeric or non-elastomeric material, such as a transparent or opaque rubber, plastic or polymeric material but not limited thereto.
  • FIG. 14 is a diagram illustrating another embodiment of the present invention, which includes slip over design variations for use with a bumper plate or other weightlifting equipment.
  • slip over variations of the quiet (or stealth) weightlifting in this design modification allow users to add the quiet technology to their existing plate(s).
  • This variation uses the same sound and shock absorbing technology as the full plate versions discussed above. However, instead of molding an entire plate as discussed in various examples above, the slip over version only includes the crescent and a pliable rubber inner rim or donut that allows the shock absorbing section to be forcibly slid over an existing weight plate.
  • FIG. 14 A shows a side view of the shock absorbing slip over section 1400
  • Fig. 14 B is a cross-section of the shock absorbing slip over section, which illustrates the retaining fingers or side extensions 1410
  • FIG. 14 C is a side view of the shock absorbing section 1400 mounted over an existing plate.
  • the slip over donut design 1400 has an outer rim comprised of two rings of hexagonal holes and sides that extend down the outermost portion of an existing weight plate. It will be appreciated that instead of through holes, the slip over design may use different partial hole configurations or hole shapes as discussed before. These holes act to absorb the shock of a barbell when dropped by a weightlifter.
  • the side extensions 1410 illustrated best in Fig. 14 B allow for the rings of sound-absorbing holes to be forcibly slipped over an existing plate.
  • a similar elastomeric material may be used with varying durometers for the sides as is used in the sound absorbing section.
  • these side extensions may taper leading to beaded section to increase friction and hold (similar to a bike tire that fits over an inner tube).
  • the sides have some malleability (i.e., ability to deform under compressive stress) to be able to slip over the plate and elasticity allowing the material deformed under load to regain its original dimensions when unloaded.
  • the two bumps 1420 at the ends of the side extensions keep the slip over portion fixed over the plate. If, for example, a vulcanized rubber is used for the side extensions durability generally is not an issue.
  • Figure 14 C shows a fully assembled design in which a slip over sound absorbing section is mounted over an existing plate.
  • slip over design configurations are possible, where instead of a single piece donut shaped sound absorber one can use several sectors that are separately mounted and glued together.
  • One such design modification can use two or more sector pieces (such as, for example, illustrated in Figs. 6-8) that are mounted separately and affixed together, such as by gluing to keep in place.
  • a multi sector donut shaped slip over design can also be done using slits in sides and a strap or leather to reach through the center hole of the bumper plate (where the bar goes) and connect to the opposite side.
  • FIG. 14 B another potential design modification includes a sound absorber, where the donut-shaped absorber is cut in the middle along a vertical, resulting in two pieces that can be affixed together in use.
  • the sides would be elastic, and should be difficult to put on, and correspondingly difficult to disengage from the plate when in use.
  • this design would be similar to a bike tire over an inner tube, fitted sheet over a mattress, or swim cap over one’s head. With a lower durometer rubber used for the sides, this slip over design should be pliable enough to be difficult but fit snug.
  • Another possibility is to incorporate small slits in the rubber to relieve some of the tension. This change may require a strap to reach through center hole of the bumper plate (where the bar goes) and connect on the opposite side to hold the slip over piece in place.
  • the size of the plate would dictate a different size slip over bumper, or the end user would only use these with, for example, 25 and 45 lb weights (11.34 and 20.41 kg, respectively). The need here outweighs the financial burden as well as the downrange costs of floor repairs.
  • FIG. 15 is a diagram illustrating front, side and perspective views of a barbell with two slip over variation quiet bumper plates.
  • This figure shows multiple front, side and perspective views of the Quiet (or Stealth) weightlifting slip over option in a specific example.
  • Two weight plates on a barbell are illustrated without limitation of the type of equipment for which the slip over design is suitable.
  • the inner rim of the stealth weightlifting slip over donut extends between 4 - 10 inches over the outer rim of the existing weight plate.
  • These sides in one example may have a ridged texture on the underside and a rubber piping at its outer most edge to increase friction and hold on the weight plate.
  • Figs. 14 and 15 all show the slip over variation on an existing weight plate.
  • This slip over variation may increase the overall diameter of the weight plate slightly, and therefore is not suitable for competition use. However, for the average user as well as the professional athlete in training, this may be a small price to pay for the resulting significant decrease in noise and damage.
  • the slip over design may also increase the weight slightly. This can be remedied by decreasing the weight of the bar, or adjusting the other weights used during lifts.
  • more than two plates may be attached to a barbell. In this case, only the largest diameter plate may be outfitted with sound absorber in different embodiments.
  • FIG. 16 is a diagram illustrating a stealth ball with sound absorption in different views, including exploded and assembled configuration in one example.
  • a medicine ball (exercise ball, a med ball, or a fitness ball) is a weighted ball roughly the diameter of the shoulders often used for rehabilitation and strength training.
  • Other variations of similar type include soft cushion filled balls for throwing, sand balls for slams and lifting, and atlas stones for lifting.
  • users are required to buy a ball for every weight intended to be thrown, slammed, or lifted.
  • Atlas stones typically include several stones of increasing weight that are placed on top of podia of varying height. Atlas stones are casted using concrete molds by the gym owner and are often used in lifts to the weightlifters shoulder then dropped to the ground causing noise and great damage to the floor.
  • FIG. 16 A-F show different perspective views of a“stealth ball” in a particular example using the technology of this invention.
  • the Stealth Ball is intended as an add on to the Stealth Weightlifting plate/s, and consists of two half balls with the largest outside diameter around 455 mm to match the diameter of the corresponding plates. These half spheres are made and internally supported by elastomeric material and are secured with a set of varying length threaded connector with a 2” (5.08 cm) diameter at its center. Longer connectors could be provided if the user would like to increase the weight.
  • Fig. 16 H is an exploded side view of the Stealth Ball in one example showing the principal components: two hemispheres, one or more bumper plates (two shown in this case), and a threaded connector.
  • Fig. 16 G shows an exploded perspective view of the Stealth Ball, illustrating the use of sound absorbing material for the corresponding stealth plates.
  • Fig. 16 F is a side view of an assembled Stealth Ball ready for use.
  • Various design modifications, including size (larger or smaller diameter), shape (where the spherical shape can be replaced with other shapes), weight (multiple add-on plates) will be apparent to one of skill in the art.
  • FIG. 17 is a disassembled variation of a quiet stealth ball in one example.
  • This drawing shows how the stealth ball would be assembled using two Stealth Weightlifting (SWL) plates.
  • SWL Stealth Weightlifting
  • FIG. 18 is a fully assembled variation of the quiet stealth ball in FIG. 17.
  • Threaded Connector - llb (0.4535924 kg); 2 x 45lb (20.41166 kg) Plates - 90lbs (40.82331 kg); Half Sphere - 4.5lbs (0.4535924 kg); for a Total of : 100 lbs (45.35924 kg). Gym equipment of different dimensions and weights can be used in other examples.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Vibration Dampers (AREA)
  • Vibration Prevention Devices (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)

Abstract

Selon l'invention, un objet poids configuré pour être levé à partir d'une surface du sol comprend une première partie constituée d'un matériau à dureté élevée, une deuxième partie constituée d'un matériau élastomère ayant une dureté inférieure à celle de la première partie, et une poignée permettant de tenir l'objet poids et de lever l'objet à partir de la surface du sol, la deuxième partie comprenant des trous espacés à l'intérieur du matériau élastomère pour absorber le bruit produit lorsqu'on laisse tomber l'objet poids sur la surface du sol. Alternativement, l'invention concerne un objet poids qui est configuré pour être levé d'une surface du sol, comprenant au moins une couche de matériau élastomère ayant des trous espacés à l'intérieur de celle-ci pour absorber le bruit produit lorsqu'on laisse tomber l'objet poids sur la surface du sol, et une ouverture configurée pour recevoir une poignée. L'invention concerne également des variantes en forme de housse pour monter des absorbeurs de son sur des équipements de musculation existants. Dans d'autres exemples, des ballons d'entraînement, des pierres d'Atlas ou des équipements de musculation similaires peuvent être créés grâce à des absorbeurs de son pour une meilleure expérience.
EP19748457.9A 2018-01-31 2019-01-30 Équipement d'entraînement avec des poids modifié Pending EP3746191A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15/885,292 US11260257B2 (en) 2018-01-31 2018-01-31 Modified weight training equipment
US201862703092P 2018-07-25 2018-07-25
PCT/US2019/015813 WO2019152493A1 (fr) 2018-01-31 2019-01-30 Équipement d'entraînement avec des poids modifié

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EP3746191A4 EP3746191A4 (fr) 2021-11-17

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CN (2) CN116271688A (fr)
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CA (1) CA3090106A1 (fr)
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WO (1) WO2019152493A1 (fr)

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USD1027075S1 (en) 2020-07-28 2024-05-14 Coulter Ventures, Llc. Weight plate

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USD944341S1 (en) 2019-11-04 2022-02-22 Coulter Ventures, Llc. Weight plate

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US11565142B2 (en) 2019-11-04 2023-01-31 Coulter Ventures, Llc. Weight plate
USD1027075S1 (en) 2020-07-28 2024-05-14 Coulter Ventures, Llc. Weight plate

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CN111867685A (zh) 2020-10-30
CN116271688A (zh) 2023-06-23
CN111867685B (zh) 2022-12-06
CA3090106A1 (fr) 2019-08-08
WO2019152493A1 (fr) 2019-08-08
AU2019214909A1 (en) 2020-08-20
EP3746191A4 (fr) 2021-11-17
AU2019214909B2 (en) 2023-04-20
MX2020008010A (es) 2021-01-08

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