JPH03501829A - polishing tools - Google Patents

Abstract

A relatively thin, hand-held tool for abrading, sanding or polishing a workpiece. The tool is an elongated body (12) constructed to carry a flexible, endless strip (22). The body (12) includes a handle portion (14) and a workpiece engaging portion (24), which define the path of the endless strip (22). There are guiding side walls (50), (52), (54) and (56) on the handle portion (14) to align the strip along the elongated body (12) and center it with respect to the workpiece engaging portion (24). The body (12) releasably holds the strip (22) under tension and in contact with the path and between the guide walls.

Description

[Detailed description of the invention] polishing tools field of invention The present invention relates to the art of abrasive tools, and more particularly to an apparatus for producing removable abrasive strips. relates to an elongated, relatively thin device mounted longitudinally around a

Background of the invention In many industrial and domestic applications, abrasive tools are used to improve the surface finish of workpieces or products. It is a must-see at the top. A hand-held sand block or grinder has a large surface area. be sharp or flat, and sufficient presentation is available to operate such tools. It is common to find advantageous uses from time to time. Small or complex For workpieces that are In some cases, such tools are inappropriate. For small and complicated workpieces, It is convenient to use a pickpocket, a small Swiss file or a piece of abrasive. It is known that These tools often give unsatisfactory results . Polishing the surface with a nail file or a broken abrasive piece can cause significant distortion to the hand. In addition, it does not allow smooth application of the abrasive element. Swiss file is operated Although easy to manufacture, they are relatively expensive and unsuitable for some abrasive applications. It's not urgent.

The present invention overcomes these and other problems. (3) It provides an elongated, relatively thin hand-held abrasive tool that is mounted vertically around the Ru. The tool includes a gripping portion and a workpiece retention portion at one end thereof. In this respect, The present invention provides in many aspects a gripping portion for precise and controlled manipulation of workpiece engaging portions. Its relatively thin, smooth profile makes it easy to apply to fine and complex surfaces. It is similar to a file in that it allows for. However] [The point is that it is removable. The flexible abrasive strips allow the use of alternating strips with different abrasive properties. of a specific desired workpiece surface! The point is that I am running a 5K that will make me accomplish my goal.

According to a preferred embodiment of the invention, a flexible endless abrasive strip is An elongated, long sleeve configured to carry around the tool along the MK of the dress. A hand-held abrasive tool is provided that includes a shaped body. This body part occupies most of the body It has a handle part. This handle part has a horizontal handle placed along it. These walls hold the abrasive strip at one end of the body. Align to parts. The body part is the first long cage body including the work piece holding part. It consists of a body segment and a second short body segment, these first and second body segment being They are longitudinally coplanar and have adjacent ends. The ends of these sections are between the sections Connected to allow limited longitudinal movement. These divisions are A member is provided between these sections for biasing them apart in the direction.

Flexible abrasive strips are placed in the tract between the lateral side walls and longitudinally eccentric body parts. It is kept in the above path by the division.

In further detailing a preferred embodiment of the invention, the body segment is impact resistant and chemical resistant. Made of durable plastic. M, 20 sections include arms extending vertically, and this The arm is slidably received in a longitudinally extending opening in the first section.

A laterally extending tab on the arm connects the first and second sections, and a vertical tab between them Limit directional movement. The first and second springs are arranged concentrically around the arm. Biasing the second section apart. The 114m that forms the handle part is the surface of the road. It projects a distance slightly greater than the depth of the abrasive strip above the surface. This point These sidewalls not only align the strip with respect to the workpiece retention area, but also , the retention of the abrasive strip placed on the handle from abrasive contact with the workpiece limited to.

The workpiece engaging portion has one surface coplanar with the road surface along the handle portion. It is rust-shaped, and its outer surface is slightly inclined with respect to the axis of the body. mentioned above As such, the abrasive strip is placed along the above path and the elasticity of the eccentric spring is applied to the Holds the inner surface of the lip in contact with the road surface. The spring member is non-slip against the road. The strip is operable to releasably hold the strip under tension due to its elasticity. Naturally The strip is movable along the path, freeing the unused abrasive surface of the tool. It is possible to place the work piece in the holding part. Therefore, the present invention is based on the Swiss file. have similar characteristics but have additional benefits, such as being tailored to suit a particular application. To provide an abrasive tool having a reversible abrasive surface.

One object of the invention is to sand, buff, or sand flat, contoured, or complex surfaces. or to provide hand-held abrasive tools for polishing.

Another object of the invention is to mount a movable abrasive strip longitudinally around the tool. The objective is to provide an elongated, relatively thin abrasive tool.

Another object of the present invention is to provide the abrasive tool as described above, wherein the tool has a handle portion and a workpiece retainer. the abrasive strip is repeatedly directed toward the workpiece retaining portion to remove the strip. The object of the present invention is to provide an abrasive tool in which the entire abrasive surface of the polishing pad can be utilized. .

Yet another object of the invention is to provide an abrasive tool as described above, wherein the abrasive strip is a component of the tool. A sharpener designed to quickly direct or replace the material without removing or loosening it. It is possible to provide grinding tools.

Still another object of the present invention is to provide the above-mentioned abrasive tool which is inexpensive and easy to use. It is about providing.

These objects and advantages of the invention will become apparent from the following specific examples given with reference to the appended sections. It will be something like that.

Brief description of the drawing The invention may take physical form in a number of its parts and in the arrangement of those parts. The preferred embodiments are shown in the attached drawings and in the notes below. A specific explanation will be given below.

#! FIG. 1 is a perspective view of a polishing tool showing a preferred embodiment of the present invention.

FIG. 2 is an exploded view of the tool shown in FIG. 1.

FIG. 3 is an enlarged cross-sectional view taken along 1 m3-3 of FIG. 2.

FIG. 4 is an enlarged longitudinal cross-sectional view taken along 1u(r) 84-4; Figure 3 shows adjacent ends of the body segments and the connections therebetween.

Detailed description of preferred embodiments The accompanying drawings are intended to illustrate preferred embodiments of the invention; It should not be construed as limiting. Figure 1 shows the machined piece (not shown). , hand-held grinder A (1 0) is the indication. -ki is the tool (lO) is elongated, is X: rectangular body (12 ), and this body extends along the body CA). Body part (December 1 comparatively long) Consisting of major body segments (14) and short body segments (16), each Ill! reception Part (18, 20) can be taught. These sections (14° and 16) are non-removably interconnected. limited movements between them, forcing them apart and biasing them. Includes parts that Endless Polishing) IJ Tsubu (22) is located along the road <p> The mouth ``grinding'' conveyed longitudinally around the parts (14, 16) is a strip in the specification. (22) This term is used for surface polishing, smoothing, or polishing. will be understood to mean. From now on, for the sake of simplicity, we will refer to the polished surface and the tool. Describe the relative positions of the parts of (lO) as the configuration Kk shown in Figures 1 and 2. However, it is understood that the tool can be manipulated to any desired position relative to the workpiece. It will be.

The main body division (14) is shaped like a Y prism, with a wide rectangular cross section; and includes a workpiece engaging portion (24) at one end thereof. Relatively long, narrow segmented surfaces ( 30, 32) are biased towards the upper and lower parts of the main body section (14 inches).

The work piece retaining part (24) has a dowel shape, and the upper part machining 1i1 (34) and and a lower processed surface (36), respectively.

In the illustrated example, the lower surface (36) of the Kusabiya Zhengbu (24) is the main body section. The lower surface (34) of the wedge-shaped portion (24) is concentric with the 4) is inclined with respect to the axis <A> rc of the tool (10). In this relationship, the machined surface (34, 36) intersect to form a rounded point (38).

As seen most clearly in FIG. 3, the wall members (40, 42) ) are provided on the opposite surfaces of the workpiece holding part (24) to the end (18) It is growing. The ends (44, 46) of the wall members (40, 42) ) with rounded or smooth contours near the tool (10) to avoid obstacles. This allows it to be used without interference from obstacles. Figure 3 shows the most As is often seen, the wall members (40, 42) extend beyond the partition plane (30, 32). 3o.

32) disposed laterally to the rails or guides (50, 52, 54, 56) ) is formed.

Referring to FIG. 4, the end (18) of the main body section (14) is connected to the axis C of the tool (10). A) It has a H”x flat surface (58) that is perpendicular to K. This surface (58 ) in the chambers or holes formed in the main body section (14). communicates with the surface in the cavity (70). The chamber (70) is located within the main body segment (14). It is one of several cavities (72, 74, 76) located there. ! (70 ), the other cavities are used in the tool (lO) and the tool (lO) Primarily provided to reduce the amount of materials, they themselves are does not constitute a part of the invention. When openings (60°62) intersect, face laterally An annular surface (64) is formed. Aperture (60) is larger than aperture (62) , both are axially aligned. As best seen in FIG. The opening (62) is partially cylindrical and has one flat section (including 78 holes). nothing. @ or a recess (80) is arranged in the surface (66) abutting the opening (62). Ru.

As seen in the drawing, the short body segment (16) is smaller than the main body segment (14) K. It's quite short. Section (16th section is rectangular in cross section, curved or arched surface) (92) with a slightly rounded or curved end (90).

The adjacent end (20) K has a flat surface. @Wall (96, 98) is divided (16th direction) These wall members extend outward beyond the surface (92 mm). The guides or rails (xoO, xo2). Each member and surface of section (16) is the same as section (14). They are dimensioned to be in a longitudinal coplanar array.

An elongated handle or M (104) extends directly from the surface (94) of section (16). Ru. The handle (104) has a cylindrical shape, but there is a flat part (106) along a part of the handle (104). )including. Part (June construction main expense body division (14) opening (62) K sliding (to) It has dimensions that can be stored in. In this connection, the flat part of the handle (104) ( The flat portions (78) of the body segments (16, 106) and openings (62) respectively 14) and alignment is performed between them. The free end of the handle (104) It includes a laterally extending tab (108) on one side thereof. Tab (10 August 1 category (16 ) Slightly inclined or angled towards g + ℃ hook-like or thorn-like form is giving.

As best seen in Figure 4, sections (14, 16) have handles (104) with openings ( 62) Assembled so that the inner IC can be slidably accommodated. Surrounding the pattern (104) A spring (110) is housed in the opening (60), and its; engaging and compressing the sections (14, 16) longitudinally apart. Category (14, 16) Separation is limited by tabs (108) that engage the surfaces (66) in the 9-channel (70). Ru.

With reference to the assembly of the body (12), other materials may be used; The sections (14, 16) are preferably molded of impact and chemically resistant plastic. shaped or otherwise formed. In this regard, plastics are economical to manufacture. Not only is it lightweight, but it also has a snap lock between section (14) and section (16). To provide an integrated body assembly by making interconnection possible. For more details, there is Woodcutter's plastic material has a handle (104) and a body section (14) due to its yielding properties. The opening inside allows ICg* to be inserted. For this purpose, tab (108) The slope facilitates such operations. Once inserted, the tab (108) snap outward laterally to open the engagement between tab (10g) and face (66). Prevents removal of handle (104) from opening (62). ) inserts are made in advance while each part is warm, relatively immediately after molding. It was found that this can be easily achieved if

Once the body sections (14, 16) are assembled, the surfaces (30, 32° 34.36.9 2) forms a path CP), on which the strip (22) is placed .

The strip (22) is an endless loop with an inner surface (120) and an outer surface (122). It is a pool. Strip (22) t’! , polished according to the desired surface finish of the workpiece It has an outer surface (122) for cleaning, buffing, sump ink or polishing. strip (22) is held under tension by a spring (110)K so that the circular surface (120) ) is dimensioned relative to the body (12) so as to be in contact with the body (12). related to this The spring (110) maintains the strip (22) in a non-slip relationship with respect to the road (P). The strip is releasably held in the workpiece retaining portion (24) by the Move along the path (J') VC to place the unused part of the outer surface (122). be able to. As can be seen from the drawing, the width of the strip (22) is The width of the minute (24) is equal to so.

As mentioned above, the rail or guide (50-56°100.102) ) and projecting outward a predetermined distance from there. put out First, these guides are aligned along the strip (22) w! (P). line up to ensure its proper positioning relative to the wedge-shaped workpiece engagement portion C24)K. to prevent the strip from slipping or being stamped out of the relatively narrow body (12). prevent.

In another respect, these guides form the l-endle portion on the tool (IO). -Rainbow , the guides (50-56, 100, 102) extend above the strip (22). Therefore, engagement of the other surface (122) is not possible along this part of the tool (lO). The handle portion is formed thereby.

Therefore, hand tools for machining, sanding, or sanding workpieces are required. This tool has a correct position due to its workpiece retention part (24) and handle part. Better operated, controlled and used than a solid Swiss file.

Moreover, the tool according to the invention allows modification of the abrasive surface by replacing the strip (22). enable. This tool is inexpensive and easy to manufacture.

As will be appreciated, some of the advantages and features of the present invention are that it can be held and used similar to a file. This is due to its smooth and thin body, which allows it to be used for various purposes. Therefore, the present invention The tool can be easily held by hand and at the same time performs complex or small machining. Dimensions and items with work piece retaining parts that can be easily manipulated against the surface. It is preferable that For example, embodiments disclosed herein have a length of approximately 6.5 inches and a and 0.375 inches high and wide, and strip (22) 4XFJ0. It has a width of 250 inches. However, these dimensions are for illustrative purposes only and do not apply to the present invention. It should be noted that it does not limit the scope of

In this regard, although the invention has been described in terms of its preferred embodiments, the specification Many variations will be apparent to those skilled in the art having a thorough understanding of the invention.

For example, the workpiece engaging portion (34) may take other wedge-shaped shapes than shown. It is possible to have rounded or even square heat leakage. can. Such modifications and changes are covered by the present invention insofar as they come within the scope of the claims or their equivalents. It should be understood that the terms and conditions are expressly included.

Procedural amendment November 15, 1999 Yoshi, Commissioner of the Patent Office 1) Takeshi Moon 1.Display of the incident PCT/US88100617 Relationship to the incident: Patent applicant Name: Petrovic, Richard (1 other person).

4. Agent Translation of specification and claims 6. Contents of amendment Translated translation of the description and claims (no change in content) International search report lTl 音Sun+1m1Ial^””””””PCT/LIS8B100617

Claims (24)

[Claims] 1. Removable flexible endless abrasive strip along a nearly endless path an elongated, nearly prismatic body configured to convey longitudinally around the body A hand-held abrasive tool consisting of a body portion comprising: a first relatively elongated main body section having a wedge-shaped workpiece engaging portion; and a second relatively elongated main body section; each of the first and second body segments includes a relatively short body segment; Vertical extensions arranged laterally to align the tip to the workpiece engagement area. and having an end adjacent to a corresponding end of the other section of the body; body segments are aligned longitudinally, with the sidewalls of each body segment facing the other body segment. aligned with a corresponding side wall of the section to form a handle portion; and These adjacent ends can be connected to allow limited longitudinal movement between these body segments. a member that allows movement; and a member that biases these body segments apart longitudinally; releasing said strip under tension in a non-slip relationship to said path; a biasing member operable to retain freely; A hand-held abrasive tool comprising: 2. an adjacent end of the second body segment including an outwardly projecting arm adjacent the first body segment; The connecting end has an opening extending in the axial direction with dimensions for storing the above-mentioned arm in a snap-locking manner. The abrasive tool of claim 1 comprising: 3. Smoothly contoured claims to lateral sidewalls or workpiece engagement areas The polishing tool according to item 1. 4. The abrasive tool of claim 1, wherein the body section is made of a molded plastic structure. . 5. The abrasive tool of claim 1, wherein the biasing member is a coiled panel. 6. The first part whose wedge-shaped workpiece engagement part is coplanar with the road surface along the handle part. and a second surface slightly inclined with respect to the body portion. tool. 7. A removable flexible endless strip is placed along a predetermined path around the body. an elongated, relatively thin prismatic body configured to transport longitudinally around A hand-held tool for grinding, polishing, or sanding a workpiece consisting of Then, the body part a first relatively elongated main body section including a workpiece engaging portion at one end thereof; and 1. Release said strip under tension in contact with said path placed at the other end of one section. a member operable to freely hold the first body segment and the operating member; includes a member for aligning the strip with respect to the workpiece engaging portion, the alignment member being A hand-held tool characterized by forming a handle part. 8. 8. The tool of claim 7, wherein the workpiece engaging portion has a substantially wedge-shaped configuration. 9. The handle portion has narrow, aligned, substantially parallel surfaces on its opposing surfaces. The surface of the lever forms a path, and the workpiece engaging portion aligns with this narrow surface. and the alignment member comprises a guide disposed laterally along said narrow plane. 8. The tool according to claim 7, wherein the tool comprises: 10. 10. The tool of claim 9, wherein the workpiece engaging portion has a generally wedge-shaped configuration. 11. a member operable to releasably retain the strip; a second short body segment coplanarly aligned in the direction and slidably received within the first segment; a second section including a member for limited longitudinal movement between the first and second sections; and a member for longitudinally biasing the first and second sections apart. The tool described in claim 7. 12. A second section in which the member slidably received in the first section is aligned with the opening in the first section. It consists of an arm extending outwardly from the section, around which the biasing member is arranged. a panel having opposite ends thereof engaged with adjacent ends of the first and second body segments; 12. The tool according to claim 11. 13. 8. A tool according to claim 7, wherein the body is made of a molded plastic structure. 14. Claim 9 wherein the guide is smoothly contoured to the workpiece engaging portion. Tools listed. 15. 10. The tool of claim 9, wherein the workpiece engaging portion has a generally wedge-shaped configuration. 16. Body assembly by running a thin flexible endless abrasive strip along a predetermined path an elongated, relatively thin prismatic structure configured to be conveyed longitudinally around the body Grinding, polishing, or sanding flat or contoured surfaces of body assemblies a slender hand-held tool for a first relatively long main body section of the molded plastic composition; a narrow surface on opposite sides forming; aligned at one end with said narrow surface a surface-engaging portion; and laterally disposed along said narrow surface having a width of less than 1 inch; a first main body comprising: a guide for aligning the strip with the surface engaging portion; body section; located at the other end of the first section and in contact with said channel to keep said strip under tension; a tension member adapted to releasably retain the tension member; and a member retaining said tension member in operational alignment with said body segment; A slender hand-held tool characterized by comprising: 17. the retaining member being adapted to be received in the opening in the other end of the first section; 17. The tool of claim 16, wherein the tool is an arm extending outwardly from the tension member. 18. 18. The tool of claim 17, wherein said arm is snub-locked into said opening. 19. A removable flexible endless abrasive strip is applied along a predetermined path to the body. an elongated relatively thin prism configured to be conveyed longitudinally around the assembly Sanding, polishing, or sanding flat or contoured surfaces of shaped body assemblies. a slender hand-held tool for a first relatively long main body section of the molded plastic composition; A narrow face on the opposite side to be released, and aligned with said narrow face at one end. a first main body section comprising an array of surface-engaging portions; disposed along said narrow surface; a guide member for aligning the strip with the surface engaging portion; and a first section. located at the other end and in contact with said channel to releasably hold said strip under force; strong members designed to and the tool has a length of less than 9 inches and a width of less than 0.5 inches. A slender hand-held tool adapted to carry an abrasive strip. 20. 20. The tool of claim 19, further comprising a member for joining the tension member to the body section. 21. The joining member extends outwardly from the tension member and slides into the opening at the other end of the first section. 21. The tool of claim 20, comprising an arm adapted to be retracted in a nap lock manner. 22. A removable flexible endless abrasive strip is applied along a predetermined path to the body. an elongated relatively thin prism configured to be conveyed longitudinally around the assembly Sanding, polishing, or sanding flat or contoured surfaces of shaped body assemblies. a slender hand-held tool for ing the body assembly; a first relatively long main body section of the molded plastic composition; narrow faces on opposite sides to form, and aligned with said narrow faces at one end; a first main body section comprising an array of surface-engaging portions; disposed along said narrow surface; a guide member for aligning the strip with the surface engaging portion; the other end of the first section; and arranged in contact with said passageway to releasably hold said strip under tension. a tension member; and a member retaining said tension member in operational alignment with said body segment; and the tool has a total width at least 10 times larger than said narrow width surface. A long, thin hand-held tool. 23. Extends outwardly from the retaining member or tension member and fits into the opening at the other end of the first section. 23. The tool of claim 22, comprising an arm adapted to be retracted. 24. 24. The tool of claim 23, wherein said arm is snap-locked into the opening.