FIELD

The present disclosure relates to the field of hand deburring tools.

BACKGROUND

The background information herein below relates to the present disclosure but is not necessarily prior art. Deburring tools are employed for removing unwanted material, termed as burrs, around a finished product. Burrs are commonly created by machining operations, such as grinding, drilling, milling, engraving or turning. The burrs can be removed manually by using a handheld deburring tool.

A conventional handheld deburring tool has a curved cutting blade that allows rotation around its shank. Deburring of the inner edge of a tubular element involves swinging the tool along the inner edge of the tubular element. The centrifugal force generated due to rotation causes outward axial pressure of the cutting edge of the blade to deburr the inner edge of the tubular element. However, the conventional hand deburring tool is limited to deburring of only the inner edge, and is incapable of deburring the outer rim of the tubular element. This limitation stems from the fact that the centrifugal force causes the blade to move away from the outer rims of the tubular element.

There is therefore felt a need of a deburring tool for deburring the outer rim of a tubular element that also alleviates the aforementioned drawbacks.

OBJECTS Some of the objects of the present disclosure, which at least one embodiment herein satisfies, are as follows:

An object of the present disclosure is to provide a tool for deburring outer rim of a tubular element.

Another object of the present disclosure is to provide a tool that can deburr tubular elements of different diametrical dimensions. Yet another object of the present disclosure is to provide a tool that can deburr tubular elements of different wall thicknesses.

Still another object of the present disclosure is to provide a tool that has a simple configuration.

Other objects and advantages of the present disclosure will be more apparent from the following description, which is not intended to limit the scope of the present disclosure.

SUMMARY

The present disclosure envisages a tool for deburring the outer rim of a tubular element. The tool comprises a handle, a crank holder pivotably mounted on the handle, and a cutting blade mounted on the crank holder. The cutting blade has chamfered operative surfaces formed by chamfering. The operative surfaces are configured to allow the outer rim of the tubular element to rest thereon. The tool further comprises at least one guiding element pivotably mounted on the crank holder. The guiding element is configured to abut and roll against an inner surface of the tubular element, and thereby facilitate maintaining abutment of the cutting blade against the outer rim of the tubular element for deburring the outer rim while the tool is being revolved around the tubular element.

In yet another embodiment, the guiding element includes a plurality of guide pins. The guide pins are mounted on the crank holder in a in a spaced apart configuration from the cutting blade to allow the side of the tubular element to be inserted between the cutting blade and the guide pins.

In still another embodiment, each guide pin has a rotating pin head configured to glide along the inner surface of the tubular element during deburring.

In another embodiment, the cutting blade is fastened to the crank holder with the help of an adjustable second mounting means, mounting of the adjustable second mounting means being adjustable along a radial direction of the crank holder.

In yet another embodiment, a slot opening is configured on the crank holder to receive the second mounting means therein, and allow adjustment along a radial direction of the crank holder through displacement of the second mounting means along the length thereof the slot opening to adjust the distance between the guide pins and the cutting blade for deburring of tubular elements of different wall thicknesses and diameters. In one embodiment, the chamfered operative surfaces of the cutting blade have a chamfer angle of 30 degrees, 45 degrees or 60 degrees.

In another embodiment, each of the chamfered operative surfaces of the cutting blade is inclined at acute angles with respect an operative vertical plane and the operative horizontal plane relative to the crank holder.

In yet another embodiment, each of the chamfered operative surfaces of the cutting blade is inclined at an acute angle with respect to the operative horizontal plane and is parallel to an operative vertical plane relative to the crank holder.

In another embodiment, the cutting blade is manufactured from a material selected from the group of high speed steel, alloy steel, tungsten carbide, and ceramic duly heated treated.

BRIEF DESCRIPTION OF THE ACCOMPANYING DRAWING

The tool, of the present disclosure, for deburring outer rim of a tubular element, will now be described with the help of the accompanying drawing, in which:

Figure 1 illustrates an isometric view of a tool, in accordance with an embodiment of the present disclosure, deburring the outer rim of a tubular element;

Figure 2 illustrates an isometric view of a crank holder of the tool of Figure 1; and

Figure 3 illustrates a top view of the crank holder of Figure 2.

LIST OF REFERENCE NUMERALS 100 - Tool 105 - Tubular element

105 A - Inner surface of tubular element 105B - Outer rim of the tubular element 110 - Crank holder 112 - First mounting means 114 - Second mounting means

115 - Handle 116 - Slot Opening

120 - Cutting blade

125 A, 125B - Operative surfaces of the cutting blade 130A, 130B - Guide pin 135A, 135B - Pin head

DETAILED DESCRIPTION

Embodiments, of the present disclosure, will now be described with reference to the accompanying drawing.

Embodiments are provided so as to thoroughly and fully convey the scope of the present disclosure to the person skilled in the art. Numerous details are set forth, relating to specific components, and methods, to provide a complete understanding of embodiments of the present disclosure. It will be apparent to the person skilled in the art that the details provided in the embodiments should not be construed to limit the scope of the present disclosure. In some embodiments, well-known processes, well-known apparatus structures, and well-known techniques are not described in detail.

The terminology used, in the present disclosure, is only for the purpose of explaining a particular embodiment and such terminology shall not be considered to limit the scope of the present disclosure. As used in the present disclosure, the forms “a,” “an,” and “the” may be intended to include the plural forms as well, unless the context clearly suggests otherwise. The terms “comprises,” “comprising,” “including,” and “having,” are open ended transitional phrases and therefore specify the presence of stated features, elements, modules, units and/or components, but do not forbid the presence or addition of one or more other features, elements, components, and/or groups thereof.

When an element is referred to as being “mounted on,” or “coupled to” another element, it may be mounted directly on, or coupled to the other element. As used herein, the term “and/or” includes any and all combinations of one or more of the associated listed elements.

The terms first, second, third, etc., should not be construed to limit the scope of the present disclosure as the aforementioned terms may be only used to distinguish one element, or component from another element or component. Terms such as first, second, third etc., when used herein do not imply a specific sequence or order unless clearly suggested by the present disclosure.

Ter s such as “inner,” “outer,” “beneath,” “below,” “lower,” “above,” “upper,” and the like, may be used in the present disclosure to describe relationships between different elements as depicted from the figures.

A tool 100, of the present disclosure, for deburring the outer rim 105B of a tubular element 105 will now be described in detail with respect to Figure 1 through Figure 3.

In an embodiment, the tubular element 105, referred to in the present disclosure, has a round or elliptical cross-section.

The tool 100 is a handheld tool which comprises a handle 115, a crank holder 110 pivotably mounted on the handle 115. The crank holder 110 is configured with a first mounting means 112 that is configured to be inserted into a slot formed in the handle 115. The first mounting means 112 is configured to facilitate the mounting of the crank holder 110 on the handle 115 such that the crank holder 110 freely pivots about the central axis of the handle 115. The crank holder 110 houses a cutting blade 120 and at least one guiding element 130A, 130B- 135A, 135B thereon. The operative surfaces 125A, 125B of the cutting blade 120 are chamfered to a predetermined angle. Chamfering the operative surfaces 125 A, 125B of the cutting blade 120 allows the operative surfaces 125A, 125B of the cutting blade 120 to rest against the outer rim 105B of the tubular element 105.

In one embodiment, the cutting blade 120 is fastened to the crank holder 110 with an adjustable second mounting means 114, such that mounting of the second mounting means 114 is adjustable along a radial direction of the crank holder 110. A slot opening 116 is configured on the crank holder 110 to receive the second mounting means 114 therein, and allow adjustment along a radial direction of the crank holder 110 through displacement of the second mounting means 114 along the length thereof the slot opening 116 to adjust the distance between the guide pins 130A, 130B and the cutting blade 120 for deburring of tubular elements 105 of different wall thicknesses and diameters. Further, the second mounting means 114 promotes the swinging movement 118 of the cutting blade 120 there around, thus enabling the tool 100 to deburr the outer rim 105B of the tubular element 105 in both clockwise and anti-clockwise directions. In an embodiment, the chamfered operative surfaces 125A, 125B of the cutting blade 120 has a chamfer angle of 30 degrees, 45 degrees or 60 degrees. Each of the chamfered operative surfaces 125A, 125B of the cutting blade 120 is inclined at acute angles with respect an operative vertical plane and the operative horizontal plane relative to the crank holder 110. In one embodiment, each of the chamfered operative surfaces 125 A, 125B of the cutting blade 120 is inclined at an acute angle with respect to the operative horizontal plane, and is parallel to an operative vertical plane relative to the crank holder 110.

In an embodiment, the cutting blade 120 is of a material selected from the group of high speed steel, alloy steel, tungsten carbide, and ceramic duly heated treated. In another embodiment, the cutting blade 120 is coated with resistant coatings.

The guiding element 130A, 130B-135A, 135B is pivotably mounted on the crank holder 110. The guiding element 130A, 130B-135A, 135B is configured to abut and roll against an inner surface 105 A of the tubular element 105, and thereby facilitate maintaining abutment of the cutting blade 120 against the outer rim 105B of the tubular element 105 for deburring the outer rim 105B while the tool 100 is being revolved around the tubular element 105. The guiding element 130A, 130B-135A, 135B includes a plurality of guide pins 130A, 130B. The guide pins 130A, 130B are mounted on the crank holder 110 in a spaced apart configuration from the cutting blade 120 to allow the side of the tubular element 105 to be inserted between the cutting blade 120 and the guide pins 130A, 130B.

Each guide pin 130A, 130B has a rotating pin head 135 A, 135B configured to glide along the inner surface 105A of the tubular element 105 during deburring. In an operative configuration, the wall of the tubular element 105 is inserted in between the pin head 135A, 135B of the guide pins 130A, 130B and the cutting blade 120 such that the operative surfaces 125A, 125B of the cutting blade 120 rest against the outer rim 105B of the tubular element 105. The pin head 135A, 135B of the guide pins 130A, 130B are supported against the inner surface 105A of the tubular element 105 to prevent the tool 100 from slipping off while deburring the outer rim 105B of the tubular element 105. As the tool 100 is displaced along the wall of the tubular element 105, the chamfered operative surfaces 125A, 125B of the cutting blade 120 go on deburring the outer rim 105B of the tubular element 105. Displacement of the tool 100 along the wall of the tubular element 105 is made smooth due to the gliding movement provided by the pin heads 135A, 135B of the guide pins 130A, 130B.

In an embodiment, the crank holder 110 is fastened to the handle 115. In an embodiment, the tool 100 is configured to deburr pipes made of aluminum, steel, stainless steel, copper, brass, and plastics.

The foregoing description of the embodiments has been provided for purposes of illustration and not intended to limit the scope of the present disclosure. Individual components of a particular embodiment are generally not limited to that particular embodiment, but, are interchangeable. Such variations are not to be regarded as a departure from the present disclosure, and all such modifications are considered to be within the scope of the present disclosure.

TECHNICAL ADVANCEMENTS The present disclosure described herein above has several technical advantages including, but not limited to, the realization of a tool for deburring outer rim of a tubular element, that:

• deburrs tubular elements of different dimensions;

• deburrs tubular elements of different wall thicknesses; and

• Has a simple configuration. The embodiments herein and the various features and advantageous details thereof are explained with reference to the non-limiting embodiments in the following description. Descriptions of well-known components and processing techniques are omitted so as to not unnecessarily obscure the embodiments herein.

The foregoing description of the specific embodiments so fully reveal the general nature of the embodiments herein that others can, by applying current knowledge, readily modify and/or adapt for various applications such specific embodiments without departing from the generic concept, and, therefore, such adaptations and modifications should and are intended to be comprehended within the meaning and range of equivalents of the disclosed embodiments. It is to be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation. Therefore, while the embodiments herein have been described in terms of preferred embodiments, those skilled in the art will recognize that the embodiments herein can be practiced with modification within the spirit and scope of the embodiments as described herein. The use of the expression “at least” or “at least one” suggests the use of one or more elements or ingredients or quantities, as the use may be in the embodiment of the disclosure to achieve one or more of the desired objects or results.

Any discussion of devices, articles or the like that has been included in this specification is solely for the purpose of providing a context for the disclosure. It is not to be taken as an admission that any or all of these matters form a part of the prior art base or were common general knowledge in the field relevant to the disclosure as it existed anywhere before the priority date of this application.

While considerable emphasis has been placed herein on the components and component parts of the preferred embodiments, it will be appreciated that many embodiments can be made and that many changes can be made in the preferred embodiments without departing from the principles of the disclosure. These and other changes in the preferred embodiment as well as other embodiments of the disclosure will be apparent to those skilled in the art from the disclosure herein, whereby it is to be distinctly understood that the foregoing descriptive matter is to be interpreted merely as illustrative of the disclosure and not as a limitation