Punch bag apparatus

Abstract

A punch bag apparatus includes a base 400 and a support member 1110. The support member has a first end 300 securable to the base, a second end (900, figure 11) having a punchball attachment portion to detachably receive a punch ball 1220, and a shoulder (1116, figure 11) between the first end and second end. The apparatus further includes a punch bag 1210 comprising a channel (1216a,b, figure 12a) extending through the punch bag and an engagement surface 1218 arranged in the channel. The engagement surface has an aperture sized to permit passage of the second end of the support member, but not the shoulder.

Description

24 09 24 Field

[0001] The present application relates to a punch bag apparatus. Background

[0002] Martial arts and combat sports training is an accessible and popular activity among people of all age groups, and is practised for purposes of self-defence, fitness, self-discipline and for fun. There are numerous martial arts and combat sport disciplines, including Boxing, Karate, Taekwondo, and many others, each teaching different combat techniques.

[0003] Whilst martial arts techniques are designed for use in combat, it is often impractical or inappropriate to practise said techniques against other people. So as to avoid injury, and / or to enable solo practice, training aids of many forms have been created.

[0004] One such training aid is the punch bag, which generally provides a padded or inflated striking surface against which a martial artist performs combat moves. Punch bags may take many forms, including ‘body bags’ which are generally cylindrical and made from foam of a suitable firmness. Other examples include speed bags and punch balls, which are usually smaller than body bags, spherical or balloon-shaped and suspended or mounted at or around head height.

[0005] Speed bags and punch balls may comprise foam padding, or may comprise an air-filled bladder which is inflated to a desired pressure.

[0006] Reference is made to Figures la and lb, which show highly schematic diagrams of exemplary punch bags known in the art.

[0007] Figure la shows a highly schematic diagram of a speed bag 110 and a body bag 120, both of which are suspended from a ceiling 10. The speed bag 110 comprises a balloon-shaped striking portion 112 and a ceiling mount 114. The body bag comprises a cylindrical striking portion 122 and a ceiling mount 124.

[0008] Figure lb shows a highly schematic diagram of an exemplary body bag 130 known in the art. The body bag 130 comprises a base portion 132, a mount 134 supported by the base, and a striking portion 136 connected to the mount. 24 09 24

[0009] Training aids such as punch bags are generally designed with an aim to provide a suitable surface for safely practising striking combat techniques. For example, a body bag may have a weight and firmness so as to provide suitable resistance to blows from a boxer or other martial artist, without being so hard as to risk injury to the boxer. Summary

[0010] The inventor has noted that known punch bags are often difficult to manoeuvre, e.g., due to a requirement for mounting infrastructure such as ceiling brackets or frames, and due to the size and weight of material needed to provide a suitable striking surface.

[0011] Aspects of the present disclosure are directed to providing a modular punch bag apparatus with improved manoeuvrability over known punch bags.

[0012] Examples of the disclosure further provide an improved punch bag action, which gives an improved and more realistic response to strikes by a martial artist.

[0013] In a first aspect of the disclosure, there is provided a punchbag apparatus comprising a base, a supporting member, and a punch bag. The supporting member has a first end securable to the base such that the supporting member is substantially upstanding from the base.

[0014] A second end of the supporting member comprises a punch ball attachment portion which is configured to detachably receive a punch ball.

[0015] The supporting member comprises a shoulder disposed between the first and second end.

[0016] The punch bag comprises a channel extending through the punch bag.

[0017] The punch bag also comprises an engagement surface arranged in the channel and having an aperture therethrough, the aperture sized to permit passage of the second end of the supporting member, but not the shoulder.

[0018] The supporting member may comprise a height-adjustable tube. The height-adjustable tube may be securable to the base in one of a plurality of different positions, such that an extent of the supporting member from the base may be varied.

[0019] The height adjustable tube may, according to a first example, have a length of approximately 490 mm. The height adjustable tube may, according to a second example, have a length of approximately 395 mm. 24 09 24

[0020] The supporting member may further include a resilient member sub-assembly. The resilient member sub-assembly may comprise a bottom connector configured to connect to the height adjustable tube. It may also comprise a resilient member. It may also comprise a top connector.

[0021] The supporting member may further include a top tube. The top tube may, in a first example, have a length of 320 mm. The top tube may, in a second example, have a length of 425 mm.

[0022] The top tube may have a first end configured to connect to the top connector of the supporting member. A second end of the top tube may be configured to connect to a bag connector, the bag connector constituting the punch ball attachment portion.

[0023] The bag connector may include a threaded cavity and may be configured to detachably receive a corresponding threaded bar of a punch ball. In some examples, the thread may be an Ml2 standard thread.

[0024] The resilient member of the resilient member sub-assembly may comprise a spring.

[0025] The shoulder of the supporting member may be constituted by an upper surface of the resilient member sub-assembly. In some examples, said upper surface may be an upper surface of the top connector.

[0026] The punch bag may comprise or be substantially formed of reconstituted foam. The punch bag may comprise two foam bodies, each of the foam bodies having a different foam density. The punch bag, and suitably each foam body, may be cylindrical. In a first example, a first foam body has a length of approximately 300 mm and a diameter of approximately 300 mm, and a second foam body may have a length of approximately 520 mm and a diameter of approximately 300 mm. In a second example, the first foam body may have a length of approximately 225 mm and a diameter of approximately 300 mm, and the second foam body may have a length of approximately 445 mm and a diameter of approximately 300 mm.

[0027] The channel comprised in the punch bag may have a first portion with a first diameter, and a second portion with a second diameter. The first portion may be in the first foam body. The second portion may be in the second foam body. The first diameter may be smaller than the shoulder, but sufficiently wide to permit passage of the second end. In some examples, the first portion of the channel has a diameter of 25 mm and / or the second portion of the channel has a diameter of 70 mm. 24 09 24

[0028] The channel through the punch bag may be reinforced by tubing, such as plastic or metal tubing.

[0029] The punch bag may be configured to be mounted on the supporting member by lowering the punch bag over the supporting member, with the channel of the punch bag receiving the supporting member. A mounting height of the punch bag on the supporting member may be defined by an engagement between the engagement surface of the punch bag and the shoulder.

[0030] The punch bag may further comprise a guiding means. The guiding means may be configured to assist the supporting member to pass through the channel of the punch bag. The guiding means may comprise a tapered surface, suitably forming a funnel. In some examples the guiding means may comprise the engagement surface. In other examples, the engagement surface may be comprise a planar element having the aperture, such as a disc.

[0031] The punch bag may comprise an inner plastic covering configured to protect the foam bodies. The punch bag may comprise an outer covering having an outer surface configured to be struck by a user during use of the punch bag apparatus.

[0032] The base may comprise a plurality of castor apertures configured to receive castors securable to the base. The base may alternatively or additionally comprise a plurality of floor apertures configured to enable fastening of the base to a floor.

[0033] The base may comprise a base plate and a base tube, the base tube being coupled to the base such that it is substantially upstanding from the base. The base tube is configured to receive the first end of the supporting member, which may comprise the height adjustable tube. The base tube may be configured to receive the height adjustable tube in the plurality of different positions. The height adjustable tube may comprise a plurality of height adjustment apertures extending therethrough. The base tube may comprise a connecting aperture. The apparatus may comprise a pin insertable through the connecting aperture and a selected height adjustment aperture to secure the height adjustable tube in one of the plurality of different positions.

[0034] The base of the punch bag apparatus may be configured to receive a weight system. The weight system may comprise a plurality of base weights, each base weight having a central aperture configured to receive the base tube so as to locate on the base. 24 09 24

[0035] Top and bottom surfaces of each base weight may comprise raised sections and / or recesses respectively configured to cooperate with corresponding raised sections and / or recesses on bottom and / or top surfaces of base weights immediately above and / or below. The cooperating raised sections and / or recesses may be configured to prevent relative movement of the base weights.

[0036] Each base weight may further comprise two or more recesses on a side surface of the base weight, configured to act as a handle for a user to lift the weights onto the base.

[0037] Each base weight may have an outer diameter of 550 mm, an inner (hole) diameter of 53 mm, and a height of 100 mm.

[0038] Each base weight may be hollow and configured for filling with sand, water or another heavy granular or liquid material. A fully filled base weight may have a net weight of 35 Kg.

[0039] The disclosure also extends to methods of assembly and / or manufacture of the punch bag apparatus as discussed herein. Brief Description of the Drawings

[0040] To assist understanding of examples of the present disclosure and to show how such examples may be put into effect, reference is made, by way of example only, to the accompanying drawings in which:

[0041] Figure la shows an exemplary speed bag and an exemplary body bag, both of which are known in the art;

[0042] Figure 2 shows a diagram of an example base plate shown in a plan view;

[0043] Figure 3 a shows a diagram of an example base tube of first exemplary dimensions;

[0044] Figure 3b shows a diagram of an example base tube of second exemplary dimensions;

[0045] Figure 4a shows a highly schematic diagram of an exemplary base sub-assembly comprising a base plate connected to a base tube;

[0046] Figure 4b shows a highly schematic diagram which illustrates a second view of the exemplary base sub-assembly of Figure 4a;

[0047] Figure 5a shows a diagram of a height-adjustable tube of first exemplary dimensions;

[0048] Figure 5b shows a diagram of a height adjustable tube of second exemplary dimensions; 24 09 24

[0049] Figure 6 shows a diagram of a bottom tube spring connector;

[0050] Figure 7 shows a diagram of a top tube spring connector;

[0051] Figure 8 shows a diagram of a resilient member sub-assembly;

[0052] Figure 9a shows a diagram of a top tube of first exemplary dimensions;

[0053] Figure 9b shows a diagram of a top tube of second exemplary dimensions;

[0054] Figure 10 shows a diagram of a bag connector;

[0055] Figure 11 shows a highly schematic diagram of a punch bag apparatus skeleton, which does not comprise a punch bag or punch ball;

[0056] Figure 12a shows a highly schematic diagram of a punch bag or body bag;

[0057] Figure 12b shows a highly schematic diagram of a punch ball; and

[0058] Figure 13 shows a highly schematic cross-sectional diagram of a punch bag apparatus according to some examples of the disclosure.

[0059] It will be appreciated that where reference numerals of the form xxx-a, xxx-b etc., are used to denote a particular instance of a feature of a drawing, the same reference numeral without a specified letter suffix (e.g., a, b, etc.) may denote a generic instance of the same feature.

[0060] In the drawings, corresponding reference characters indicate corresponding components. The skilled person will appreciate that elements in the Figures are illustrated for simplicity and clarity and have not necessarily been drawn to scale. For example, the dimensions of some of the elements in the Figures may be exaggerated relative to other elements to help to improve understanding of various examples. Also, common but well-understood elements that are useful or necessary in a commercially feasible example are often not depicted in order to facilitate a less obstructed view of these various examples. Detailed Description

[0061] The present disclosure is directed to training aids which provide an improved strike response action, as well as resolving problems of manoeuvrability and ease of storage seen in known examples. Further the disclosure described herein provides a body bag and punchball in the same assembly, giving an improved boxing experience over prior art training aids which offer either a body bag or speedball striking surface. 24 09 24

[0062] For clarity reasons, the following description refers only to ‘boxers’ as the users of the training aid described herein. It will be appreciated though, as discussed above, that techniques from any martial art or combat sport may be practised against the training aids.

[0063] Further, for the purposes of the following description, the terms ‘training aid’, and ‘apparatus’, may be used interchangeably to denote a complete product, i.e., including a striking surface and a means of mounting or supporting it. Reference to a ‘punch bag’ herein may be understood to refer to a bag such as bag 1210 of Figure 12a, which may not include an assembly for supporting the bag.

[0064] The present disclosure provides a punch bag apparatus comprising a base, a supporting member that extends vertically from the base and includes a shoulder, a punch bag comprising a channel and an engagement surface in the channel. The channel is of such a diameter as to receive a top end of the supporting member, but not to allow passage of the shoulder. When constructed, the punch bag is located on the supporting member with the engagement surface in contact with the shoulder. The top end of the supporting member is also configured to detachably receive a punch ball. The present disclosure provides a punch bag apparatus which is easily manoeuvrable, and enables a configuration which includes a punch bag and a punch ball in one apparatus.

[0065] Reference is made to Figure 13, which shows a punch bag apparatus according to some examples of the disclosure. A punch bag 1210 is located in position on the supporting member 1110 by an engagement surface 1218 of the bag 1210 being engaged with a shoulder of the supporting member 1110.

[0066] Before Figure 13 and other examples of the apparatus are described in more detail, reference is made to Figures 2-12, which illustrate individual exemplary components that may be connected to construct the punch bag apparatus. Exemplary dimensions for each component are provided in the Figures and in the following description. It will be appreciated, however, that deviations from these dimensions may be made without affecting the technical character of the disclosure. Base Plate Component

[0067] Reference is now made to Figure 2, which shows a highly schematic diagram of a base plate 200 for use in the punch bag apparatus described herein. The diagram of Figure 2 provides exemplary dimensions of the base plate 200 according to some examples. 24 09 24

[0068] The base plate 200 of Figure 2 is substantially square, having dimensions of approximately 400 X 400 mm and a thickness of approximately 10mm. The square base plate 200 may have rounded corners to reduce sharpness.

[0069] The base plate 200 may be constructed of any suitable material, such as mild steel. The construction material of the base plate must be of sufficient hardness and rigidity to take a heavy load constituted by the rest of the training aid. The base plate 200 must also be able to withstand forces exerted on it by use of the training aid, i.e., due to strikes by a boxer.

[0070] The training aid described herein may be mounted on wheels / castors, or may be secured to the ground. Apertures of varying size may be machined through the base plate 200 to enable coupling of the base plate 200 with other parts of the training aid, with wheels or other means of improving manoeuvrability, or to secure the base plate to the ground.

[0071] In the example of Figure 2, the base plate comprises sixteen castor apertures 210 of diameter 5.2 mm. The castor apertures 210 are configured to enable coupling of the base plate with four castors, wheels or other mechanism for manoeuvring the training aid. That is, four castor apertures 210 are provided in each corner of the base plate 200, such that four respective fasteners (e.g., nuts and bolts) may be used to secure each castor or wheel to the base plate 200.

[0072] The four castor apertures 210 in each comer of the base plate 200 may be arranged in a substantially square pattern. In the example of Figure 2, the castor apertures 210 at each corner are arranged in a square pattern with 40 mm between each aperture 210. The corner-most apertures are located 12.6 mm from two respective sides of the base plate 200 which meet at the corner.

[0073] The base plate 200 of Figure 2 further comprises a plurality of floor mounting apertures 220. Figure 2 shows four floor mounting apertures 220 located 90° apart from each other on a notional circle having a radius of 320 mm from a centre of the base plate 200.

[0074] In the example of Figure 2, the floor mounting apertures have an diameter of 10.5 mm and are configured to receive a suitably sized fastener to couple the base plate to the floor.

[0075] The base plate 200 is configured to support the training aid (or punch bag apparatus) described herein. The base plate 200 is configured to be coupled with a supporting member of the training aid. To enable this coupling, the plate 200 further comprises a central aperture 230, which has an diameter of 32 mm and is located at the centre of the base plate. The central 24 09 24 aperture 230 is configured to accommodate a connecting portion of a base tube of the punch bag apparatus, as will be described in more detail later herein.

[0076] It will be appreciated that the dimensions illustrated in Figure 2 are provided by way of example. Base Tube Components

[0077] Figure 3 shows a highly schematic diagram of a first exemplary base tube 300a. A base tube 300 is configured for connection to a base, such as the base plate 200 of Figure 2. A base tube 300 may be coupled to the base plate 200 in such a way that the base tube 300 is substantially upstanding from the base plate 200.

[0078] A base tube 300 may be made from a substantially cylindrical, solid mild steel bar. The bar from which the first base tube 300a of Figure 3a is made has a length of 306 mm, and a diameter of 50.8 mm. It will be appreciated that other strong materials than mild steel may be suitable.

[0079] A base coupling portion 310 is formed at a first end 302 (at the extreme right in Figure 3a) of the base tube 300a. The base coupling portion has a length of 15 mm, and is milled to have a reduced section of 31.8 mm. The reduced section of the base coupling portion 310 is slightly smaller than the central aperture of the base plate 200, thereby enabling the central aperture 230 of the base plate 200 to receive the base coupling portion 310. A boundary between the base coupling portion 310 and the remaining (un-milled) portion of the base tube 300a forms a shoulder which prevents further insertion of the base tube into the central aperture of the base plate 200.

[0080] In effect, the base coupling portion 310 of the base tube 300a allows the base tube to slot into the base plate 200 in a predetermined position.

[0081] The un-milled section of the base tube 300a forms an upstanding portion 320, which may constitute part of the supporting member of the training aid or punch bag apparatus. The upstanding portion 320 is milled out at a second end 304 of the base tube 300a (the other end than the coupling portion 310) to form a base tube cavity 322.

[0082] In the example of Figure 3a, the base tube cavity 322 is represented by a dashed line 326 within the upstanding portion 320. The cavity 233 has a diameter of 32.5 mm and extends 255 mm into the base tube 300a from its second end 304. 24 09 24

[0083] The cavity 322 of the base tube 300a is configured to receive a height-adjustable tube, such as the height-adjustable tube 500a of Figure 5a (described later herein).

[0084] The upstanding portion 320 of base tube 300a further comprises a connecting aperture 324 which, as is described later, may cooperate with the height-adjustable tube to enable a secure coupling between the height-adjustable tube and the base tube 300a. the connecting aperture 324 of exemplary base tube 300a has a diameter of 6.5 mm and is machined through the tube 300a at a distance of 35 mm from the second end 304 of the base tube 300a.

[0085] Figure 3b shows a second example of a base tube. Figure 3b shows a second exemplary base tube 300b, which has different dimensions to base tube 300a of Figure 3a. That is, the second exemplary base tube 300b is longer than base tube 300a, being formed from a substantially cylindrical solid bar of mild steel (or other suitable material) of length 500 mm.

[0086] Nevertheless, like the first base tube 300a, the second base tube 300b has a coupling portion 310, and an upstanding portion 320, the upstanding portion 320 comprising a base tube cavity 322 and a connecting aperture 324. The dimensions of the coupling portion 320 of base tube 300b are identical to that of base tube 300a of Figure 3a. Further, the respective diameters of the base tube cavity 322 and connecting aperture 324 in base tube 300b are identical to that of base tube 300a.

[0087] However, the base tube cavity 322 of the second base tube 300b has a depth of 325 mm, which is greater than that of base tube 300a.

[0088] As is described in more detail later, the first and second base tubes 300a, 300b may be respectively configured for connection to first and second height-adjustable tubes of different dimensions (e.g., 500a and 500b of Figures 5a and 5b respectively). Different base tubes 300 and height-adjustable tubes 500 may be used such that the training aid is configurable for use by a boxer of any size. Base Sub-Assemblies

[0089] Reference is now made to Figures 4a and 4b, which show two highly schematic views of a base sub-assembly 400, each comprising a coupled base plate 200 and base tube 300. Figure 4a shows a first angle of the base sub-assembly 400. Figure 4b shows a second, profile view of the base sub-assembly 400. 24 09 24

[0090] A base tube 300 may be coupled to the base plate 200 to form the base sub-assembly 400 by welding the base tube 300 in situ. That is, when the central aperture of the base plate 200 receives the coupling portion of the base tube 300.

[0091] In the examples of Figures 3a and 3b, the coupling portions of the base tubes 300a, 300b have length 15 mm. However, the base plate of Figure 2a has a depth of 10 mm. According to the examples of Figures 2-4b, the base sub-assembly comprises a protrusion 410 of 5mm, where the base tube 300 extends through the base plate 200. The protrusion 410 may be provided to assist with welding of the base sub-assembly. A seam between the surfaces of the base tube 300 and base plate 200 is provided by the protrusion 410. The weld may be located at this seam. Height-Adjustable Tubes (HATs)

[0092] Reference is now made to Figures 5a and 5b. As discussed previously, Figures 5a and 5b show highly schematic diagrams of first and second height-adjustable tubes 500a, 500b. Figure 5a shows a height-adjustable tube (HAT) of length 395 mm, and Figure 5b shows a longer HAT, of length 490 mm.

[0093] The respective HATs 500a, 500b of Figures 5a and 5b are formed, by way of example, from a mild steel tube of diameter 32 mm, and having a 3.2 mm gauge. That is, the HATs 500a, 500b have an absolute diameter of 32 mm, and a cavity of diameter 25.6 mm.

[0094] With reference in particular to Figure 5a, HAT 500a is provided with a plurality of height adjustment apertures 510 of diameter 6.5 mm. In the example of Figure 5a, five height adjustment apertures 510 are provided, with a respective aperture 510 being machined into the HAT 500a at distances of 42 mm, 84 mm, 126 mm, 168 mm, and 210 mm from a first end 502 of the HAT 500a. The apertures 510 are therefore evenly spaced along the HAT 500a. The height adjustment apertures may further be aligned along the length of the HAT 500a, as shown in Figure 5 a.

[0095] With reference to Figure 5b, the second HAT 500b is formed from the same tube as HAT 500a of Figure 5a. However, HAT 500b has length 490 mm, and comprises seven, evenly spaced height adjustment apertures 510 at distances of 41 mm, 82.5 mm, 124 mm, 165.5 mm, 207 mm, 248.5 mm, and 290 mm from a first end 502 (lower end in Figure 5b) of the HAT 500b. The skilled person will appreciate, however, that different arrangements of height adjustment apertures 510 than those given above may be machined. That is, any suitable 24 09 24 number of apertures 510 may be provided, and they may be positioned at substantially regular intervals of any suitable distance.

[0096] Height adjustable tubes (e.g., 500a, 500b, may be connected to a respective base tube (e.g., 300a, 300b) by aligning a connecting aperture 324 of the base tube 300 with a desired height adjustment aperture 510 of the corresponding HAT 500 and inserting a pin or other suitable connecting means to prevent further movement of the height-adjustable tube 500 relative to the base tube 300.

[0097] A second end 504 of the height-adjustable tube (opposite the first end 502 at which the adjustment apertures are machined) may be configured to connect to a bottom spring connector, as is illustrated in Figure 6. Spring Connector Components

[0098] Figure 6 shows an exemplary bottom spring connector 600, configured for coupling to a height-adjustable tube 500 at a first end 602 of the bottom spring connector 600, and to a resilient member (such as a spring) at a second end 604 of the bottom spring connector 600.

[0099] The bottom spring connector 600 may be formed from a substantially cylindrical solid bar of mild steel of length 85 mm and diameter 38 mm. A first end 602 of the bottom spring connector 600, which is configured for coupling to the height-adjustable tube 500, is milled out to form a connector cavity 610 of depth 54 mm and of diameter 32 mm. The connector cavity 610 allows the first end 602 of the bottom spring connector 600 to receive a second end 504 of a height-adjustable tube.

[0100] The bottom spring connector 600 and height-adjustable tube 500 may be coupled by welding, using a solid weld detail.

[0101] A second end 604 of the bottom spring connector 600, which is configured for coupling to a resilient member, is milled out along a length of 25 mm from the second end 604 of the connector 600 to have a reduced section of diameter 25.7 mm. The section of reduced diameter forms a spring coupling portion 620 of the connector 600, which — as described later herein, is configured to be received in a cavity of corresponding diameter within a resilient member, for coupling therewith. 24 09 24

[0102] The resilient member referred to above is described later. However, the resilient member is provided between the bottom spring connector 600 and a top spring connector 700, as is now described with reference to Figure 7.

[0103] The top spring connector 700 of Figure 7 is similar in form to the bottom spring connector 600 of Figure 6

[0104] That is, the top spring connector 700 is formed from a cylindrical bar of length of 85 mm and diameter 38 mm. Milled at a second end 704 of the top spring connector 700 is a spring coupling portion 720, configured to be received by a cavity of a resilient member. In the example of Figure 7, the spring coupling portion 720 has a length of 25 mm and a diameter of 25.7 mm.

[0105] The top connector 700 further includes, at a first end 702, a connecting cavity 720 configured for coupling to a top tube, such as top tubes 900a, 900b of Figures 9a and 9b respectively, which are described in more detail later.

[0106] The top tubes 900a and 900b may have a different diameter to the height-adjustable tube 500a, 500b, to which the connecting cavity 620 of the bottom spring connector 600 is coupled. The connecting cavity 710 of the top connector 700 may therefore have a different diameter compared to that of bottom connector 600. In the example of Figure 7, the top spring connector 700 comprises a cavity of depth 50 mm and of diameter 25.7 mm for receiving a top tube of diameter 25.4 mm (in the examples of Figures 9a and 9b). Resilient Member Sub-Assembly

[0107] Figure 8 shows an example of a resilient member sub-assembly 800, comprising a bottom spring connector 600, a resilient member 810, and a top spring connector 700.

[0108] In the example of Figure 8, the resilient member 810 is a heavy duty die spring, having a length of 162 mm, an outer diameter of 57.75 mm, and an inner diameter of 25.7 mm.

[0109] The spring coupling portion 620 of the bottom connector 600 is received by a first end 812 of the resilient member 810 which, as may be inferred from the above, has an inner diameter approximately equal to that of the spring coupling portion 620. The bottom spring connector 600 may be welded in place within the resilient member 810 using a solid weld detail. 24 09 24

[0110] Similarly, the spring coupling portion 720 of the top spring connector 700 is received by a second end 814 of the resilient member 810. The top spring connector 700 may also be welded in place within the resilient member 810 using a solid weld detail. Top Tube Components

[0111] Reference is now made to Figure 9a, which shows a highly schematic diagram of a top tube component 900a according to some examples.

[0112] The top tube 900a may be formed, by way of example, from a mild steel tube of diameter 25.4 mm, and having a 2.7 mm gauge. That is, the top tube 900a may have an outer diameter of 25.4 mm and an inner diameter of 20 mm, forming a hollow tube.

[0113] The top tube 900a of Figure 9a has a length of 320 mm.

[0114] The top tube 900a further comprises a bag connector aperture 910, which is machined with a diameter of 6.3 mm and is located a distance of 19.85 mm from a first end 902 of the top tube 900a. The bag connector aperture 910 is configured for use in securing a bag connector component, such as bag connector 1000 of Figure 10, to the first end 902 of the top tube 900a. The bag connector component, as is described in more detail later, may be of such a diameter as to fit closely within the inner diameter of the top tube 900a; i.e., having an outer diameter of 20 mm or slightly less.

[0115] A second end 904 of the top tube 900a, opposite the first end 902, may be coupled to the top spring connector 700, being received into the connecting cavity 710 of the top spring connector 700. It will be appreciated therefore that the outer diameter of the top tube 900a may be approximately equal to — or slightly less than — the diameter of the connecting cavity 710. In the example of Figures 7 and 9a, the connecting cavity 710 has a diameter of 25.8 mm, and the top tube has a slightly smaller diameter of 25.4 mm, allowing a 0.2 mm gap between the top tube 900a and the wall of the connecting cavity 710 when the top tube is located centrally within the cavity 710.

[0116] The second end 904 of the top tube 900a may be fixed in place within the cavity 710 of the top spring connector 700 by a solid weld.

[0117] Figure 9b shows a second exemplary example of a top tube 900. Top tube 900b of Figure 9b is similar to the first top tube 900a of Figure 9a, differing only in length. That is, the top tube 900b has an outer diameter of 25.4 mm, an inner diameter of 20 mm for receiving a 24 09 24 bag connector component, and a bag connector aperture 910 machined with a diameter of 6.3 mm and located a distance of 19.85 mm from a first end 902 of the top tube 900b. However, the top tube 900b of Figure 9b has a length of 425 mm.

[0118] A second end 904 of the top tube 900b may be welded in place within the connecting cavity 710 of the top spring connector 700 of Figure 7. A manufacturer may select to use either top tube 900a or 900b depending on a preference for height of the punch bag apparatus. That is, the longer top tube 900b may be selected by boxers looking to practise with a larger training aid, and a manufacturer may fabricate a punch bag apparatus in line with the selection of the boxer. Bag Connector Components

[0119] With reference now to Figure 10, a bag connector component is described. Figure 10 shows a highly schematic diagram representing an exemplary bag connector 1000, which has a total length of 35 mm. The bag connector 1000 comprises a head portion 1010 at a first end 1002 of the connector 1000, having a diameter of 25 mm. The bag connector 1000 further comprises a top tube coupling portion 1020 of diameter 20 mm, which extends 30 mm from a second end 1004 of the bag connector 1000, the second end 1004 being opposite the first end 1002 at which the head portion 1010 is located.

[0120] The head portion 1010 therefore extends a distance of 5 mm from the first end 1002 of the bag connector 1000. At a boundary between the head portion 1010 and the tube coupling portion 1020, a bag connector shoulder 1012 is formed by the abrupt change in diameter between the two portions 1010, 1020. When the top tube coupling portion 1020 is received within a top tube 900 (e.g. 900a, 900b), the connector shoulder 1012 restricts a depth of insertion of the connector 1000 in the top tube 900.

[0121] The bag connector 1000 is cored out to form a cavity 1030, which has a threaded wall 1032 configured for receiving a corresponding threaded bar, as will be described later. It will be noted that the diagram of Figure 10 represents the threaded wall 1032 with two parallel dashed lines 1003 extending along the length of the connector 1000. An inner diameter of the cavity 1030 is non-uniform due to the threading 1032, and the parallel dashed lines 1003 represent the minimum and maximum inner diameters of the cavity 1030 caused by the peaks and dips in the threading 1032. 24 09 24

[0122] The cavity 1030 and threading 1032 may be provided according to the M12 thread standard, which will be known to the skilled person.

[0123] A top tube coupling aperture 1022 of diameter 6.3 mm is machined through a wall of the top tube coupling portion 1010 of the bag connector 1000. The coupling aperture 1012 is located a distance of 10.15 mm from the second end 1004 of the connector 1000, which is therefore 24.85 mm from the first end 1002 of the bag connector 1000.

[0124] Factoring the 5mm of the head portion 1010, the centre of the top tube coupling aperture 1022 is located 19.85 mm deep in the top tube 900.

[0125] A steel pin and sprung plastic clip may, when the bag connector 1000 is in situ in the top tube 900, be inserted in the top tube coupling aperture 1022 of the bag connector 1000, and the bag connector aperture 910 of the top tube 900 to prevent relative movement of the tube 900 and connector 1000. Other fastening methods may be used, as will be appreciated by those skilled in the art. Training Aid Skeleton

[0126] Reference is now made to Figure 11, which shows a highly schematic diagram of a punch bag apparatus frame (or skeleton) 1100 comprising components from examples described with reference to Figures 2-10. The frame 1100 shown in Figure 11 does not include striking surfaces, i.e., a body bag or punch ball, instead showing a skeleton, on which the striking surfaces may be mounted.

[0127] The frame 1100 of Figure 11 may be considered to be formed from two distinct subassemblies: a base 400 and a supporting member 1110.

[0128] The base 400 may be as described with reference to Figure 4, and may comprise a base plate 200 and a base tube 300, which may be welded to form the base 400.

[0129] The supporting member 1110 may comprise a height adjustable tube 500, a spring subassembly 800, a top tube 900, and a bag connector 1000. The spring sub-assembly 800 may itself comprise a bottom spring connector 600, a top spring connector 700, and a resilient member 810 provided between the top and bottom spring connectors 600, 700.

[0130] It will be noted that with the exception of the bag connector 1000, all components of the supporting member 1110 may be welded together. 24 09 24

[0131] As will be described in more detail with reference to Figures 13 and 14, the frame 1100 comprises a shoulder 1116 configured to engage with an engagement surface of a punch bag which is mounted on the frame 1100. Contact between the shoulder 1116 and the engagement surface prevents the body bag falling further down the frame 1100 than the shoulder 1116. The shoulder 1116 therefore defines a position of the punch bag on the frame 1100.

[0132] In the example of Figure 11, the shoulder 1116 is constituted by an upper surface of the top spring connector 700. That is, a hole in the engagement surface of the bag may be large enough to fit over the top tube 900, but not the top surface of the top spring connector 700. Striking Surfaces

[0133] Reference is now made to Figures 12a and 12b, which respectively show highly schematic diagrams of a punch bag / body bag 1210, and a speed ball 1220.

[0134] The punch bag or body bag 1210 of Figure 12a is substantially cylindrical and comprises a first foam body 1212 and a second foam body 1214. The first and second foam bodies 1212, 1214 may be adhered to one another using a suitable adhesive, for example a contact adhesive.

[0135] The first foam body 1212 may comprise of a substantially cylindrical piece of reconstructed foam material having a density of approximately 128 kgm'3. This foam material may be known in the art as 8 lb foam

[0136] The second foam body 1214 may comprise of a substantially cylindrical piece of reconstructed foam material having a density of approximately 96 kgm'3. This foam material may be known in the art as 6 lb foam.

[0137] When fully constructed, the punch bag 1210 may be provided in a wrap, such as leather or another suitable material.

[0138] In a first example, the first foam body 1212 may have a length of 300 mm and a diameter of 300 mm, and the second foam body 1214 may have a length of 520 mm and a diameter of 300 mm. The punch bag 1210 of the first example may be configured for use with the larger base tube 300b of Figure 3b, the larger height-adjustable tube 500b of Figure 5b, and the larger top tube 900b of Figure 9b.

[0139] In a second example, the first foam body 1212 may have a length of 225 mm and a diameter of 300 mm, and the second foam body 1214 may have a length of 445 mm and a 24 09 24 diameter of 300 mm. The punch bag 1210 of the second example may be configured for use with the smaller base tube 300a of Figure 3a, the smaller height-adjustable tube 500a of Figure 5a, and the smaller top tube 900a of Figure 9a.

[0140] It will be appreciated that other punch bag configurations may be possible. In a third example, a foam cylinder with a length of 1400 mm and a diameter of 800 mm may be provided as a punch bag. In such an example, a larger base plate is provided to prevent tipping of the apparatus in use. The larger base plate in this example may be substantially circular with a diameter of 1000 mm.

[0141] In a fourth example, a foam cylinder with a length of 1400 mm and a diameter of 550 mm may be provided as a punch bag. Again, in this example, a larger base plate is provided to prevent tipping of the apparatus in use. The larger base plate in this example may be substantially circular with a diameter of 800 mm.

[0142] In the third and fourth examples above, the punch bag may comprise first and second foam bodies 1212,1214 having different foam densities, as described above. In other examples, a single foam body of uniform foam density may be provided with the dimensions above.

[0143] Further, in the third and fourth examples, the punch bag may be mounted on the same frame as described previously herein, e.g., using the longer variant of the base tube, HAT, and top tube. However, a suitable larger base plate, as described above, is used. It will be understood that any of the described punch bags may be combined with any of the described frames in any combination.

[0144] The punch bag 1210 further comprises a channel 1216 which extends through the centre of the punch bag, from the centre of a top circular face of the first body 1212, to the centre of a bottom circular face of the second body 1214.

[0145] The channel 1216 may be divided into a first channel portion 1216a which extends through the first foam body 1212, and a second channel portion 1216b which extends through the second foam body 1214.

[0146] The channel 1216 may not be of uniform diameter throughout the length of the punch bag 1216. That is, the channel 1216 may have a first diameter within the first foam body 1212, and a second diameter within the second foam body 1214, wherein the second diameter is larger than the first diameter. 24 09 24

[0147] By way of example, the channel 1216 may have a diameter of 25 mm within the first foam body 1212, and a diameter of 70 mm within the second foam body 1214.

[0148] The punch bag 1210 may comprise an internal engagement surface 1218, which may be constituted by a plastic or metal disc (or any other suitable material) located at a boundary between the first and second bodies 1212, 1214.

[0149] In some examples, the engagement surface disc may be of a similar or equal diameter to the second channel portion 1216b, such that the disc may be inserted at the opening of the channel portion 1216b at the bottom of the second foam body 1214 and pushed into position at the boundary between the first and second foam bodies 1212, 1214.

[0150] Alternatively, the engagement surface disc may be of greater diameter than both the first and second channel portions 1216a, 1216b, and may need to be fixed in place between the two foam bodies 1212, 1214 during manufacture; i.e., when the two foam bodies 1212, 1214 are adhered together.

[0151] The engagement surface 1218 may be defined by concentric inner and outer diameters of the disc. The inner diameter of the engagement surface 1218 is larger than the outer diameter of the top tube 900 of the frame 1100, but is smaller than the outer diameter of the shoulder of the frame 1100 (e.g., a top surface of the top spring connector 700). Such an engagement surface may provide a reinforcement to the body bag, such that the engagement surface does not comprise foam.

[0152] When the body bag 1210 is mounted on the frame 1100, the engagement surface 1218 engages with the shoulder of the frame 1100 such that the body bag rests on the frame at a predetermined position above the base. This position may be adjustable via the height adjustable tube 500.

[0153] The channel 1216, in particular the channel portion 1216b, which extends through the second foam body 1214, may contribute to providing an improved response action of the punch bag 1210 when mounted on the frame 1100. The diameter of the channel 1216 may be configured such that there is some play in the movement of the punch bag when struck. Moreover, the diameter of the channel portion 1216b may allow some angular movement about the engagement surface 1218 before an inner face of the channel portion 1216b touches the supporting member 1110 and is prevented from any further angular displacement. 24 09 24

[0154] The inner face of the first and / or second foam bodies 1212, 1214 may be reinforced, e.g., by plastic tubing or the like, so as to improve the longevity of the foam by reducing wear as the foam comes into contact with the supporting member 1110.

[0155] The body bag 1210 may further comprise a guiding means 1215 which, when a boxer mounts the punch bag 1210 on the frame 1100, may assist in guiding the top tube 900 of the frame 1100 through the inner diameter of the engagement surface 1218.

[0156] The guiding means 1215 may be constituted by a funnel — or some other tapered guide — which provides a less abrupt change in diameter of the channel 1216 at the boundary between the two foam bodies 1212, 1214 than would otherwise be present. The guide 1215 makes the process of mounting the body bag 1210 easier for the user. Other forms of guiding means 1215 than a funnel may include an integral funnel formed by the foam of the punch bag 1210, or by reinforcing tubing therein.

[0157] Figure 12b shows an exemplary punch ball 1220, comprising a striking portion 1222, a rubber grommet, and a threaded bar 1226 located within the grommet 1224.

[0158] The striking portion 1222 of the punch ball may comprise a leather ball with a bladder therein. The bladder may be inflated to a preferred pressure of the user. When mounted on the frame 1100, the striking portion may have a diameter of approximately 220 mm, and may rise approximately 300 mm above the top of the bag connector 1000.

[0159] The rubber grommet 1224 and threaded bar 1226 may form a connecting means of the punch ball 1220, for connecting to the bag connector 1000 of the frame 1100. That is, the threaded bar may have a corresponding thread to that of the cavity 1030 of the bag connector 1000, e.g., an M12 standard thread.

[0160] The punch ball may be detachably coupled to the frame 1100 by screwing the threaded bar 1226 into the cavity 1030 in the bag connector.

[0161] It will be appreciated that the punch ball is intended to be mounted to the frame 1100 after the body bag is mounted, as the channel 1216 in the punch bag is not of sufficient diameter to pass over the punch ball. Punch Bag Apparatus

[0162] Figure 13 shows a highly schematic diagram of a full punch bag apparatus according to some examples of the disclosure. 24 09 24

[0163] Figure 13 shows a punch bag apparatus 1300 comprising a base 400, a supporting member 1110, a punch bag 1210, a punch ball 1220, and a weight system 1320.

[0164] In the example of Figure 13, the base 400 is mounted on wheels or castors 1330, e.g., via the castor apertures 210 of Figure 2.

[0165] The punch bag 1210 is resting on a shoulder of the supporting member 1110 via its engagement surface 1218 — in this example, the shoulder is an upper surface of the top spring connector 700. Further, the punch bag comprises a guiding means 1215 to assist the mounting of the punch bag 1210 on the supporting member 1110.

[0166] The weight system 1320 of the punch bag apparatus 1300 may comprise a plurality of base weight 1322 with a central channel configured to closely fit over the base tube 300 of the base 400.

[0167] By way of example, each base weight 1322 may have an outer diameter of 550 mm, an inner (hole) diameter of 53 mm, and a height of 100 mm. It will be noted that the base tube of the base 400 has a diameter of 50.8 mm in the example of Figures 3a and 3b.

[0168] Each base weight 1332 may be hollow and configured for filling with sand, water or another heavy granular or liquid material. A fully filled base weight 1332 may have a net weight of 35 Kg.

[0169] When smaller frame components are used, e.g., base tube 300a, HAT 500a, and top tube 900a, two base weights 1322 (totalling 70 Kg) may constitute a suitable weight system 1320.

[0170] When larger frame components are used, e.g., base tube 300b, HAT 500b, and top tube 900b, four base weights 1322 (totaling 140 Kg) may constitute a suitable weight system 1320.

[0171] Each base weight 1322 may have a series of projections and / or recesses one each of its upper and lower faces. The projections and recesses may be configured to cooperate with a face of a neighbour base weight, immediately above or below, in order to prevent relative rotation of base weights 1322 in the weight system 1320.

[0172] Indents may further be provided in opposite sides of each weight. These indents may act as handles for a user to lift the weights 1322 and position them on the base 400 without trapping their fingers between weights 1322, or between a weight 1322 and the base 400. 24 09 24

[0173] In the example of Figure 13, the top face of each base weight 1322 comprises a plurality of raised sections 1340. The bottom face of each base weight 1322 may comprise a corresponding plurality of indents configured to receive the raised sections 1340 on the top face of a second base weight immediately below. Methods of Assembly

[0174] The modular punch bag apparatus of Figure 13 may be assembled from its constituent parts as described below.

[0175] Some stages of assembly may be performed at fabrication / manufacture of the punchbag apparatus 1300. For example, welding of a base plate 200 to a base tube 300, and welding of the height adjustable tube 500, bottom spring connector 600, resilient member 800, top spring connector 700, and top tube 900 in a series may be conducted at manufacture.

[0176] Other stages of assembly may be performed by a user, e.g., a boxer. For example, connection of castors 1330 to the base 400 or fastening of the base 400 to the floor (e.g., using nuts and bolts) may be performed by the user. Further, location of the weight system 1320 on the base 400 may be performed by the user by lifting each weight 1322 over the base tube 300 and locating the channel of the weights 1322 over the base tube 300. Subsequent location of the height adjustable tube 500 therein and selection of a height setting may also be conducted by the user.

[0177] The bag connector 1000 may be attached to the top tube 900 by the manufacturer, or may be provided separately for the user to connect.

[0178] The punch bag 1220 may be located on the supporting member 1110 by lifting the punch bag 1210 over the top tube 900, and lowering the punch bag 1210 over the supporting member 1110 until the engagement surface 1218 engages with the shoulder 1116 and the punch bag 1210 is correctly positioned. Locating of the punch bag 1210 on the supporting member 1110 may be assisted by a guiding means 1215.

[0179] The punch ball 1220 may be detachably connected to the supporting member 1110 by the user, for example by twisting a threaded bar 1226 of the punch ball 1220 into the corresponding threaded cavity 1030 of the bag connector 1000.

[0180] In some examples the apparatus 1300 may be provided fully constructed. 24 09 24

[0181] Like known punch bag assemblies, the body bag and punch ball may be struck by a user to practise their martial arts or combat sport technique.

[0182] The modular design of the presently described apparatus improves manoeuvrability and ease of storage. In some examples, the user may at different times attach different size punch bags to the same frame, thereby providing a flexible apparatus that can be used in various settings to facilitate different types of boxing training.

[0183] Furthermore, the resilient member which may be comprised within the supporting member provides an improved response action when struck by a user, compared to known underhanging punch bags, mounted from the ceiling or an overhead frame.

[0184] That is, the resilient member may displace from its natural position when the punch bag or punch ball takes a blow from the user. Elasticity of the resilient member may then cause the training aid to return to its natural position after being struck. The action of the punch bag apparatus therefore provides more realistic punch feedback, and an improved response action over known punch bag assemblies.

[0185] The wider channel in the second foam body improves durability because there is less contact with the supporting member. The channel may be reinforced, e.g., by plastic or metal tubing inserted in the channel within the first and / or second foam bodies.

[0186] The optional guiding means shown in Figures 12a and 13 provides an additional benefit of improving ease of construction of the modular punch bag apparatus.

[0187] Whilst the description above refers to cylindrical ‘tubes’, e.g., of the supporting member and base tube, it will be appreciated that the same technical effects are achieved with any shape tube. For example, tubes with a square cross section may be used. Therefore, reference to ‘tubes’ herein shall be understood as referring to tubes of any cross section.

Claims

24 09 241. A punch bag apparatus, comprising:a base;a support member comprising:a first end securable to the base such that the member is substantially upstanding from the base,a second end opposite the first end and comprising a punchball attachment portion configured to detachably receive a punch ball: anda shoulder disposed between the first end and second end;a punch bag comprising:a channel extending through the punch bag;an engagement surface arranged in the channel and having an aperture therethrough, the aperture sized to permit passage of the second end of the support member but not the shoulder.

2. The punch bag apparatus of claim 1, wherein the support member includes a resilient member, the resilient member configured to resiliently deform in response to a user striking the punch bag.

3. The punch bag apparatus of claim 2, wherein the support member comprises:a height adjustable tube configured to be secured to the base in one of a plurality of different positions,a resilient member assembly comprising the resilient member and coupled to the height adjustable tube, anda top tube coupled to the resilient member assembly, and wherein the second end of the support member is located in the top tube.

4. The punch bag apparatus of any preceding claim, wherein the punch bag comprises a guiding means formed in the channel, the guiding means configured to guide the second end of the support member toward the channel.24 09 245. The punch bag apparatus of claim 4, wherein the engagement surface is located on the guiding means.

6. The punch bag apparatus of any of claims 2-5, wherein the shoulder comprises a top surface of the resilient member sub-assembly.

7. The punch bag apparatus of any preceding claim, wherein:the base comprises a base tube; andthe first end of the support member is receivable in a base tube of the base for securing to the base.

8. The punch bag apparatus of any preceding claim, wherein the base is configured to receive a weight system.

9. The punch bag apparatus of any preceding claim, wherein the base comprises a plurality of castor apertures configured to enable coupling of the base to a set of castors.

10. The punch bag apparatus of any preceding claim, wherein the base comprises a plurality of floor mounting apertures configured to enable the base to be secured to a floor.

11. The punch bag apparatus of any preceding claim, wherein the punch bag comprises a first foam body having a first foam density and a second foam body having a second foam density.

12. The punch bag apparatus of any preceding claim, wherein the punch ball attachment portion comprises a threaded cavity for detachably receiving a corresponding threaded bar of a punch ball.

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