US20190329096A1 - Exercising device - Google Patents

Exercising device Download PDF

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Publication number
US20190329096A1
US20190329096A1 US16/306,818 US201716306818A US2019329096A1 US 20190329096 A1 US20190329096 A1 US 20190329096A1 US 201716306818 A US201716306818 A US 201716306818A US 2019329096 A1 US2019329096 A1 US 2019329096A1
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United States
Prior art keywords
exercising device
force resistance
resistance
elements
exercising
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Abandoned
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US16/306,818
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English (en)
Inventor
Gard Mikalsen Lohne
Marcus Christian Sletten
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.)
Actiweight As
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Actiweight As
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Assigned to ACTIWEIGHT AS reassignment ACTIWEIGHT AS ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: Lohne, Gard Mikalsen, Sletten, Marcus Christian
Publication of US20190329096A1 publication Critical patent/US20190329096A1/en
Abandoned legal-status Critical Current

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    • 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
    • A63B21/0724—Bar-bells; Hand bars
    • 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
    • A63B21/0004—Exercising devices moving as a whole during exercise
    • A63B21/00043—Exercising devices consisting of a pair of user interfaces connected by flexible elements, e.g. two handles connected by elastic bands
    • 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
    • A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
    • A63B21/023—Wound springs
    • 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
    • A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
    • A63B21/026—Bars; Tubes; Leaf springs
    • 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
    • A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
    • A63B21/028—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters made of material having high internal friction, e.g. rubber, steel wool, intended to be compressed
    • 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
    • A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
    • A63B21/04—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters attached to static foundation, e.g. a user
    • A63B21/0407—Anchored at two end points, e.g. installed within an apparatus
    • A63B21/0421—Anchored at two end points, e.g. installed within an apparatus the ends moving relatively by a pivoting arrangement
    • 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
    • A63B21/078—Devices for bench press exercises, e.g. supports, guiding means
    • 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
    • A63B21/078—Devices for bench press exercises, e.g. supports, guiding means
    • A63B21/0783—Safety features for bar-bells, e.g. drop limiting means
    • 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
    • A63B21/40—Interfaces with the user related to strength training; Details thereof
    • A63B21/4027—Specific exercise interfaces
    • A63B21/4033—Handles, pedals, bars or platforms
    • A63B21/4035—Handles, pedals, bars or platforms for operation by hand
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
    • A63B23/16—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles for hands or fingers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G7/00—Devices for assisting manual moving or tilting heavy loads
    • B65G7/12—Load carriers, e.g. hooks, slings, harness, gloves, modified for load carrying
    • 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
    • A63B21/00069—Setting or adjusting the resistance level; Compensating for a preload prior to use, e.g. changing length of resistance or adjusting a valve
    • 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

Definitions

  • the present invention relates to an exercising device.
  • the present invention relates to an exercising device for connection to a rod, more specifically a weight rod.
  • weights for weight lifting comprising a rod onto which weight discs can be inserted or removed or a rod with fixed weight. Weight lifting may also be performed with weight training apparatuses.
  • the object of the present invention is to improve the exercising effect during different types of training.
  • the present invention relates to an exercising device, comprising:
  • the first element, the second element and the connection device are manufactured as one body made of the same material.
  • the material of the connection device is different from the material of the first element and the second element.
  • the pre-tensioned force resistance device is configured to allow a movement of the second end from the initial state to the compressed state when the first and second elements are pressed towards each other with a compression force above a predefined threshold value.
  • the second element is an elongated element having a longitudinal axis, where the longitudinal center axis of the first element is parallel with the longitudinal axis of the second element in the compressed state.
  • the second element is oriented with its longitudinal axis having an angle relative to the longitudinal center axis in the initial state, where the angle is between 10°-80°, preferably between 15°-45° and more preferably between 25°-35°.
  • the first element comprises an elongated cylindrical body with a through bore.
  • a slit is provided in the longitudinal direction of the cylindrical body. In this way it is easy to snap the device 1 onto and off from a weight rod.
  • the exercising device is a hand actuated exercising device.
  • the pre-tensioned force resistance device comprises a force resistance body provided between the first and second elements, where the force resistance body is made of a compressible material configured to be gradually more compressed as the first and second elements are pressed towards each other.
  • the force resistance body comprises a first resistance element and a second resistance element, where the first resistance element is located closer to the connection device than the second resistance element.
  • the first resistance element has a first height with respect to the first element being larger than a second height of the second resistance element with respect to the first element.
  • the pre-tensioned force resistance device is connected to the first and second elements.
  • the force resistance device comprises a spiral section, a first end section projecting from the spiral section and a second end section, where the first end section is connected to a groove of the second element and where the second end section is connected to a groove of the first element.
  • the spiral section is movably arranged outside a guiding body of the first element where the relative movement between the spiral section and the guiding body is limited by the engagement between the second end section and the grove.
  • the force resistance device is locked to the first element by means of a removable locking element.
  • the pre-tensioned force resistance device comprises a force resistance body provided between the first and second elements, where the force resistance body is made of a compressible material configured to be gradually more compressed as the first and second elements are pressed towards each other.
  • the force resistance body is configured to return to its initial shape after compression.
  • FIG. 1 illustrates a cross sectional side view of the exercising device mounted to a weight rod in an initial state
  • FIG. 2 illustrates a cross sectional side view of the exercising device of FIG. 1 in the compressed state
  • FIG. 3 illustrates an exploded perspective view of the exercising device in the initial state
  • FIG. 4 illustrates a top view of the exercising device in the compressed state
  • FIG. 5 illustrates a cross sectional view along line A-A of FIG. 4 ;
  • FIG. 6 illustrates a cross sectional view along line B-B of FIG. 4 ;
  • FIG. 7 illustrates a cross sectional view along line C-C of FIG. 4 ;
  • FIG. 8 illustrates a side view of the exercising device in the initial state
  • FIG. 9 illustrates a side view of the exercising device in the compressed state
  • FIG. 10 a illustrates a further embodiment from a first side
  • FIG. 10 b illustrates the further embodiment from a second side opposite of the first side
  • FIG. 10 c illustrates the further embodiment from below
  • FIG. 10 d illustrates a front view of further embodiment
  • FIG. 10 e illustrates a cross sectional view along line c-c of gig. 10 b;
  • FIG. 10 f illustrates a cross sectional view of the force resistance body of FIGS. 10 d and 10 e.
  • FIGS. 1 and 2 It is now referred to FIGS. 1 and 2 .
  • a weight rod R having a handle area HA and one weight area WA on the respective sides of the handle area HA.
  • weight discs WD are inserted onto the weight areas WA of the weight rod.
  • a connector C is connected to the ends of the weight rod R to prevent the weight discs WD from skidding off from the weight rod R.
  • An exercising device 1 is connected to the handle area HA of the weight rod R. In FIG. 1 the exercising device 1 is in its inactive state, while in FIG. 2 the exercising device 1 is in its active state.
  • the exercising device comprises a first element 10 , a second element 30 , a connection device 40 for connection of the first and second elements 10 , 30 to each other, and a pre-tensioned force resistance device 50 .
  • the exercising device 1 also comprises a locking element 60 , which will be explained more in detail below.
  • the exercising device 1 is configured to be in an initial state and in a compressed state, which will be explained more in detail below.
  • the first element 10 comprises an elongated cylindrical body 11 with a through bore 12 .
  • a central longitudinal axis I 10 of the first element 10 is indicated in the drawings.
  • a slit 13 is provided in the longitudinal direction of the cylindrical body 11 .
  • the through bore 12 with the slit 13 forms a connection interface 15 for connection to a rod R.
  • the first element 10 is preferably made of a semi-rigid material, such as a plastic material. In such a case the connection interface 15 will function as a snap-on connection interface to be pushed onto a weight rod R.
  • the first element 10 has a first end 10 a and a second end 10 b .
  • a guiding body 21 is protruding perpendicular (indicated by line 121 in FIG. 7 ) to the longitudinal axis I 10 .
  • the guiding body 21 is cylindrical.
  • a groove 23 is provided in the end surface 22 of the guiding body 21 .
  • locking grooves 25 are provided in the end surface 22 .
  • the second element 30 comprises an elongated, generally U-shaped body 31 (shown in FIG. 6 ).
  • a longitudinal axis 130 of the second element 30 is indicated in the drawings.
  • a groove 32 is provided in the longitudinal direction 130 of the second element 30 .
  • the groove 32 is preferably facing inwards, towards the first element 10 , as shown in FIGS. 3, 5 and 6 .
  • the outer surface (the surface facing away from the first element 10 ) may achieve an evenly curved surface which are more comfortable for a user to hold his fingers around.
  • the second element 30 has a first end 30 a and a second end 30 b .
  • the first end 30 a is movably connected to the first element 10 via the connection device 40
  • the second end 30 b is free, i.e. it is not connected to the first element 10 nor the connection device 40 .
  • the longitudinal center axis I 10 of the first element 10 is parallel with the longitudinal axis 130 of the second element 30 .
  • the second element 30 is having its longitudinal axis 130 oriented with an angle ⁇ relative to the longitudinal center axis I 10 , where the angle ⁇ is between 10°-80°, preferably between 15°-45° and more preferably between 25°-35°.
  • connection device 40 is best shown in FIG. 5 , comprising a wave-shaped body 41 connected between the first end 10 a of the first element 10 and the first end 30 a of the second element 30 .
  • the first element 10 , the second element 30 and the connection device 40 are manufactured as one body made of the same material. However, they may of course be made as three separate bodies connected to each other.
  • the wave-shaped body 41 allows relative movement between the first and second elements 10 , 30 , as will be described in detail below.
  • the pre-tensioned force resistance device 50 is best shown in FIG. 3 and comprises a spiral section 51 , a first end section 52 projecting from the spiral section 51 and a second end section 53 .
  • the pre-tensioned force resistance device 50 is in the present embodiment made of one continuous section of a metal spring material.
  • the pre-tensioned force resistance device 50 is configured to force the second end 30 b of the second element 30 towards the initial state.
  • the pre-tensioned force resistance device 50 is configured to allow a movement of the second end 30 b from the initial state to the compressed state when the first and second elements 10 , 30 are pressed towards each other with a compression force above a predefined threshold value.
  • the force resistance device 50 is connected to the first and second elements 10 , 30 .
  • the spiral section 51 is movably arranged outside the guiding body 21 of the first element 10 , i.e. the spiral section 51 is, in principle, allowed to rotate around the guiding body 21 .
  • the first end section 52 is connected to the groove 32 of the second element 30 .
  • the second end section 53 is connected to the groove 23 of the first element 10 .
  • a locking element 60 is provided, as shown in FIGS. 3 and 7 .
  • the locking element 60 is in the present embodiment provided as a circular lid 61 having connectors 62 adapted to the locking grooves 25 of the end surface 22 of the guiding body 21 .
  • These connectors 62 may be inserted into the locking grooves 25 and thereafter the locking device 60 may be rotated to a locked state. The locking device 60 may then be rotated back to the original position and removed from the locking grooves 25 .
  • the force resistance device 50 may be connected to the groove 23 for example by providing the groove 23 itself as a type of snap-on connector.
  • the force resistance device 50 is relatively easy to assemble with the rest of the device 1 . First, the first end section 52 is inserted into the groove 32 of the second element 30 , then the spiral section 51 is put onto the guiding body 21 until the second end section 53 is inserted into the groove 23 of the first element 10 . Finally, the locking device 60 is locked to the first element 10 . Accordingly, it is relatively easy to replace the force resistance device 50 with another type of force resistance device, for example one requiring a stronger compression force to bring it to the compressed state.
  • FIG. 8 Here it is shown that the exercising device 1 is in its initial state, in which the second end 30 b is provided with a first distance Di from the longitudinal center axis I.
  • FIG. 9 Here it is shown that the exercising device 1 is in its compressed state, in which the second end 30 b is provided with a second distance Dc from the longitudinal center axis I. As shown, a compression has taken place, as the second distance Dc is shorter than the first distance Di.
  • the weight rod R may be inserted into the through bore 12 , a solution which will require the weight discs WD to be removed from the weight rod R.
  • the slit 13 may be omitted, and the connection interface 15 is provided by the opening into the bore 12 .
  • the weight rod R is not easily skiddable within the bore 12 , as a tight fit between the bore 12 and weight rod R is preferred.
  • a tight fit may be obtained by applying a friction lining (not shown) within the bore 12 .
  • perforations 19 , 29 are provided in the first and second elements 10 , 30 respectively.
  • the purposes of these perforations are to improve the grip of the exercising device 10 .
  • the groove 23 may be adjustable in relation to the first element 10 , for example by providing the guiding body 21 rotatably connected to the body 11 .
  • the purpose of the adjustment is to amend the angle of the groove 23 in relation to the axis I 10 , to adjust the position of the end 53 of the force resistance device 50 and hence to adjust its force resistance.
  • the rod is a weight rod R.
  • the rod may also be a ski pole, a handle of a cycle or other vehicle, a pram, a racket (such as a tennis racket), a hockey stick etc.
  • connection interface 15 may be a releasable or permanent connection interface and may require additional releasable or permanent fastening means, such as straps, glue etc.
  • an additional layer may be added to the first and/or second elements for increasing the comfort for the user, for example a layer of foam rubber layer or another type of soft layer.
  • FIG. 10 a -10 f Here it is shown an alternative embodiment similar to the above embodiment, having first and second elements 10 , 30 connected to each other by means of a connection device 40 .
  • the connection device 40 is made of the same material as the first and second elements 10 , 30 .
  • the elements 10 , 30 and connection device 40 is made as one body. It should be noted that all FIGS. 10 a -10 d shows the exercising device 1 in its initial state.
  • the pre-tensioned force resistance device 50 comprises a force resistance body 55 provided between the first and second elements 10 , 30 .
  • the force resistance body 55 is made of a compressible material configured to be gradually more compressed as the first and second elements 10 , 30 are pressed towards each other. This material can be a rubber material or another material with similar properties. After compression, the force resistance body 55 will return to its initial shape, thereby forcing the second end 30 b of the second element 30 away from the first element 10 again.
  • the force resistance body 55 is here connected to the first element 10 .
  • the force resistance body 55 may be connected to the second element 30 .
  • the force resistance body 55 may be connected to both the first and second elements 10 , 30 .
  • the force resistance body 55 may prevent damage to the connection device 40 by preventing that the second end of the second element 30 is moved to far away from the first element 10 .
  • the force resistance body 55 is in the present embodiment made as one, single body with a base 56 , a first resistance element 57 a , a second resistance element 57 b and a third resistance element 57 c .
  • the base 56 is provided as part of the bore 12 of the first element 10 , as shown in FIG. 10 a , while the resistance elements 57 a , 57 b , 57 c are protruding through openings 17 a , 17 b , 17 c of the first element 10 towards the second element 30 .
  • the body 55 may be glued to the first element 10 .
  • the force resistance body 55 has no base 56 and hence comprises three separate resistance elements 57 a , 57 b , 57 c which are glued directly onto the surface of the first element 10 .
  • FIG. 10 f where the body 55 is shown.
  • the location of the first element 10 is indicated with dashed lines.
  • the first resistance element 57 a is shown to have a first height H 1 with respect to the first element 10
  • the second element 57 b is shown to have a second height H 2
  • the third element 57 c is shown to have a third height H 3 , where H 1 >H 2 >H 3 .
  • Openings 58 a , 58 b are provided in the first and second elements 57 a , 57 b to adjust the compression force, as it is preferred that the increase in compression force needed to bring the device 1 from its initial state to its compressed state is constant to achieve a smooth compression movement.
  • the first resistance element 57 a is located closer to the connection device 40 than the second resistance element 57 b , which again is closer to the connection device 40 than the third resistance element 57 c.
  • the angle ⁇ is 12° in the initial state in this embodiment.
  • FIG. 10 a -10 f One advantage with the embodiment of FIG. 10 a -10 f is that the spiral section 51 of the force resistance device 50 shown in FIG. 4 can be omitted. Hence, the total length L 1 of the device 1 in FIG. 10 d is smaller than the total length L 1 of the device 1 of FIG. 4 , which makes the device 1 suitable also for narrower types of hand weight rods R.

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Transmission Devices (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
US16/306,818 2016-06-01 2017-05-26 Exercising device Abandoned US20190329096A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NO20160945A NO341874B1 (en) 2016-06-01 2016-06-01 Exercising device
NO20160945 2016-06-01
PCT/EP2017/062780 WO2017207439A1 (fr) 2016-06-01 2017-05-26 Dispositif d'exercice

Publications (1)

Publication Number Publication Date
US20190329096A1 true US20190329096A1 (en) 2019-10-31

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ID=59054089

Family Applications (1)

Application Number Title Priority Date Filing Date
US16/306,818 Abandoned US20190329096A1 (en) 2016-06-01 2017-05-26 Exercising device

Country Status (5)

Country Link
US (1) US20190329096A1 (fr)
EP (1) EP3463595B1 (fr)
CN (1) CN109310910A (fr)
NO (1) NO341874B1 (fr)
WO (1) WO2017207439A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
US10821317B2 (en) * 2019-04-05 2020-11-03 Andrew Ellis Dumbbell safety, defensive and alerting assembly

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10821317B2 (en) * 2019-04-05 2020-11-03 Andrew Ellis Dumbbell safety, defensive and alerting assembly
US11364406B2 (en) 2019-04-05 2022-06-21 Andrew Ellis Dumbbell safety, defensive and alerting assembly

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EP3463595A1 (fr) 2019-04-10
CN109310910A (zh) 2019-02-05

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