EP4163055B1 - Ponceuse portable réglable - Google Patents

Ponceuse portable réglable Download PDF

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Publication number
EP4163055B1
EP4163055B1 EP21201454.2A EP21201454A EP4163055B1 EP 4163055 B1 EP4163055 B1 EP 4163055B1 EP 21201454 A EP21201454 A EP 21201454A EP 4163055 B1 EP4163055 B1 EP 4163055B1
Authority
EP
European Patent Office
Prior art keywords
notches
shaft
holder
sander
adjustable sander
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP21201454.2A
Other languages
German (de)
English (en)
Other versions
EP4163055A1 (fr
Inventor
Chihchiang Lee
Wan-Chiang Wang
Hui-Mei Chang
Yen-Ting Wu
Yi Tung Chan
Tsung-Chih Tsai
Yu-Wei Tsai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stanley Black and Decker MEA FZE
Original Assignee
Stanley Black and Decker MEA FZE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stanley Black and Decker MEA FZE filed Critical Stanley Black and Decker MEA FZE
Priority to EP21201454.2A priority Critical patent/EP4163055B1/fr
Priority to CN202211211231.8A priority patent/CN115946010A/zh
Priority to US17/938,569 priority patent/US20230113086A1/en
Publication of EP4163055A1 publication Critical patent/EP4163055A1/fr
Application granted granted Critical
Publication of EP4163055B1 publication Critical patent/EP4163055B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D15/00—Hand tools or other devices for non-rotary grinding, polishing, or stropping
    • B24D15/04—Hand tools or other devices for non-rotary grinding, polishing, or stropping resilient; with resiliently-mounted operative surface

Definitions

  • the present invention relates to a sander. More particularly, the present invention relates to an adjustable sander that is suitable for use on both flat and curved surfaces, such as the sander described in DE 19534014 A1 .
  • Sanders are well known tools. They are typically used in automotive or manufacturing applications wherein there is a need to obtain a smooth surface. Sanding is often applied to flat substrates. A handheld sander having a flat sanding surface may easily sand such flat substrates. However, often times there is a need to sand an object with a curved substrate. In such instances, a sander with a flat sanding surface may prove to be inadequate and even burdensome.
  • a sander with a flexible base and sanding surface.
  • the sanding surfaces of such sanders may contour to the substrate that is being sanded.
  • such sanders require the operator to apply constant and even pressure so that the flexible sanding surface remains in contact with the curves of substrate.
  • the present invention addresses one or more of the aforementioned problems by problems by providing an adjustable sander having a body and a flexible base.
  • the flexible base includes a first end and a second end spaced apart from one another. The first end and second end are each pivotally attached to the body.
  • the flexible base is configured to move between a concave configuration, a neutral configuration, and a convex configuration relative to the body.
  • the adjustable sander further includes a removable sanding surface affixed to a surface of the flexible base that is distal from the body.
  • the adjustable sander also includes a locking mechanism configured to selectively hold the flexible base in a desired concave, neutral or convex configuration.
  • the locking mechanism is characterized in that it includes an axial having a head and a shaft having a series of shaft notches.
  • the locking mechanism further includes a selector having an operator surface and a holder.
  • the operator surface is accessible from outside the body.
  • the holder includes an engagement surface having at least one holder notch configured to selectively engage at least one of the shaft notches.
  • the selector is selectively movable between an engaged position wherein the at least one holder notch is engaged to one of the shaft notches, and a disengaged position, wherein the at least one holder notch is disengaged from the shaft notches.
  • FIGS 1-5 show an adjustable sander 10 in accordance with a first embodiment of the present invention.
  • the adjustable sander 10 includes a body 12 and a flexible base 14.
  • the body 12 may be a single housing or it may be of a two-part clam shell design.
  • the flexible base 14 has a first end 16 and a second end 18 spaced apart from one another. The first end 16 and second end 18 is each pivotally attached to the body 12, and wherein the flexible base 14 is configured to move between a concave configuration, a neutral configuration, and a convex configuration relative to the body 12.
  • the adjustable sander 10 also includes a removable sanding surface 20 affixed to a surface of the flexible base 14 that is distal from the body 12.
  • the adjustable sander 10 also includes a locking mechanism 22 that is configured to selectively hold the flexible base 14 in a desired concave, neutral or convex configuration.
  • the locking mechanism 22 includes an axial 24.
  • the axial includes a head 26 and a shaft 28, having a series of shaft notches 30.
  • the shaft notches 30 may be positioned on a single side of the shaft 28; on multiple sides of the shaft 28; or may be a screw-like surface that encompasses a circumference of the shaft 28.
  • the locking mechanism 22 includes a sleeve 32 that is positioned around the shaft 28.
  • a selector 34 As shown in Figure 1 , the selector 34 may be a thumb slider 78. Alternatively, as shown in Figure 6 , the selector 34 may be winged slider 80.
  • the selector 34 includes an operator surface 38 and a holder 38.
  • the selector 34 and holder 38 may be a single integrated piece or it may be multiple interconnected pieces.
  • the operator surface 36 is accessible from outside the body 12 and the holder 38 includes an engagement surface 40 having at least one holder notch 42 that is configured to selectively engage at least one of the shaft notches 30.
  • the selector 34 is movable between an engaged position wherein the at least one holder notch 42 is engaged to one of the shaft notches 30, and a disengaged position, wherein the at least one holder notch 42 is disengaged from the shaft notches 30.
  • the holder 38 is substantially U-shaped 44. It includes two tines 46 each having an engagement surface 40 with at least one holder notch 42 thereon. The two tines 46 of the holder 38 are spaced apart such that they can accommodate the shaft 28 therebetween.
  • the sleeve 32 of the locking mechanism 22 may further define a window 58.
  • the engagement surface 40 of the holder 38 may engage the shaft notches 30 through said window 58.
  • the sleeve 32 may also include one or more holder guides 110.
  • the holder guides 110 may be positioned immediately adjacent window 34.
  • the holder guides 110 are configured to receive and guide the tines 46 into their engagement position.
  • the holder 38 is configured move horizontally between its engagement and disengagement positions. As the holder 38 is moved into its engagement position, the holder guides 110 may also prevent perpendicular axial movement of holder 38.
  • the holder guides 110 may assist in securing the selector in its engaged position.
  • the sleeve 32 may define a second window 62 and include another set of holder guides (not shown) positioned respectively on the sleeve 32 opposite the first window 58 and holder guide 110.
  • the locking mechanism may further include a detent 82 that is biased by a spring 84.
  • the detent 82 and spring 84 are configured to prevent unwanted movement of the selector 34.
  • the detent 82 and spring 84 are positioned inside the body 12.
  • the detent 82 and detent spring 84 may be positioned within a detent housing 85 within the body 12.
  • the spring 84 biases the detent 82 toward the holder 38.
  • the detent 82 is configured to engage detent receiving surfaces 86, which are defined by the holder 38. As the selector 34 is moved between the engaged position and the disengaged position, the detent 82 is biased by the spring 84 toward the detent receiving surface 86.
  • the spring biased detent holds the selector 34 in the desired position, thereby preventing unwanted movement.
  • the operator desires to move the selector 34 to its other position, she must apply enough force so that the detent 82 presses back against the spring 84.
  • the spring 84 biases the detent 82 into another detent receiving surface 86.
  • the locking mechanism 22 further includes a spring 88 positioned around the shaft 28.
  • Spring 88 is configured to be selectively compressed between the head 26 of the shaft 28 and the sleeve 32. More specifically, that spring 88 may be selectively compressed between the head 26 of the shaft 28 and wings 33 on the sleeve 32. In operation, spring 88 may bias the flexible base 14 from a convex configuration towards a neutral configuration.
  • Figures 6-10 disclose a second embodiment of the adjustable sander 10.
  • the locking mechanism 22 differs in that the operator surface 36 of the selector 34 is a winged slider 80.
  • the holder 38 is a plate 48.
  • Plate 48 defines an opening 50 having a large end 52 and a small end 54.
  • the opening 50 is sized and configured to accommodate the shaft 28 therethrough.
  • the large end 52 of the opening 50 is much larger than the shaft 28 such that an internal edge 56 of the opening 50 cannot engage the shaft notches 30.
  • the small end 54 of the opening 50 is only slightly larger than the shaft 28 such that the internal edge 56 of the opening 50, which functions as the holder notch 42 can engage the shaft notches 30.
  • the shaft 28 includes two sets of shaft notches 30.
  • the internal edge 56 of the opening 50 on the small end 54 is configured to engage both sets of shaft notches 30.
  • Figures 11-15 disclose a third embodiment of the adjustable sander 10.
  • the locking mechanism 22 includes a gear nut 64 fixed within the body 12.
  • the gear nut 64 includes an interior surface 66 having a series of nut notches 68 thereon.
  • the holder 38 in this embodiment is a gear pin 70.
  • the gear pin 70 includes a first portion 72 having a series of holder notches 44.
  • the gear pin 70 further includes a second portion 74 having a series of locking notches 76 that are configured to selectively engage the nut notches 68 such that when the holder 38 is in the engaged position, the nut notches 68 and the locking notches 76 are engaged to one another. Conversely, when the holder 38 is in the disengaged position, the nut notches 68 and the locking notches 76 are disengaged from one another.
  • one or more of the following features may also be included.
  • one or the other of the shaft notches 30 and holder notches 44 may be chamfered 45.
  • both the shaft notches 30 and the holder notches 44 may be chamfered 45.
  • the locking mechanism 22 includes a gear nut 64 and a gear pin 70
  • one or more of the nut notches 68 and locking notches 76 may be chamfered 45.
  • the chamfers 45 in any of said embodiments are configured to ease the sliding engagements between the shaft notches and the holder notches 44 or between the nut notches 68 and the locking notches 76.
  • the body 12 being constructed for a two-part clam shell 90. Such a construction eases the manufacturability of the adjustable sander 10.
  • first and second connecting arms 92, 94 are spaced apart from one another. Each having one end 96, 98 that is pivotally connected to the flexible base 14, and a second end 100, 102 that is pivotally connected to the body 12.
  • the connecting arms 92, 94 are configured to facilitate greater pivotal movement of the flexible base 14 relative to the body 12.
  • a vacuum tube coupling 104 having a first end 106 and a second end 108.
  • the first end 106 is configured to engage a vacuum mechanism.
  • the second end 108 is configured to facilitate access to sanded particle that are freed by the sanding surface.
  • the vacuum tube coupling allows for the removal of excess dust from the sanded surface.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)

Claims (15)

  1. Ponceuse réglable (10) comprenant :
    un corps (12) ;
    une base flexible (14) présentant une première extrémité (16) et une seconde extrémité (18) espacées l'une de l'autre, et dans laquelle la première extrémité (16) et la seconde extrémité (18) sont chacune fixées de manière pivotante au corps (12), et dans laquelle la base flexible (14) est configurée pour se déplacer entre une configuration concave, une configuration neutre et une configuration convexe par rapport au corps (12) ;
    une surface de ponçage amovible (20) fixée à une surface de la base flexible (14) qui est distale par rapport au corps (12) ;
    un mécanisme de verrouillage (22) configuré pour maintenir sélectivement la base flexible (14) dans une configuration concave, neutre ou convexe souhaitée ; et
    caractérisée en ce que le mécanisme de verrouillage (22) comprend :
    un axe (24) incluant une tête (26) et un arbre (28), et dans lequel l'arbre (28) inclut une série d'encoches d'arbre (30) ;
    un manchon (32) configuré pour être positionné autour de l'arbre (28) ;
    un sélecteur (34) présentant une surface d'opérateur (36) et un support (38) couplé au sélecteur (34), dans lequel la surface d'opérateur (36) est accessible depuis l'extérieur du corps (12) et le support (38) inclut une surface d'engagement (40) présentant au moins une encoche de support (42) configurée pour être en prise sélectivement avec au moins l'une des encoches d'arbre (30), et dans lequel ledit sélecteur (34) est sélectivement mobile entre une position en prise dans laquelle la au moins une encoche de support (42) est en prise avec l'une des encoches d'arbre (30), et une position dégagée, dans laquelle la au moins une encoche de support (42) est dégagée des encoches d'arbre (30).
  2. Ponceuse réglable (10) selon la revendication 1, dans laquelle le support (38) présente une forme de U (44) et inclut deux dents (46) présentant chacune une surface d'engagement (40) avec au moins une encoche de support (42) sur celle-ci.
  3. Ponceuse réglable (10) selon la revendication 1, dans laquelle le support (38) est une plaque (48) définissant une ouverture (50) présentant une grande extrémité (52) et une petite extrémité (54), et dans laquelle, au niveau de la grande extrémité (52), l'ouverture (50) est beaucoup plus grande que l'arbre (28), de sorte qu'un bord interne (56) de l'ouverture, qui fonctionne comme encoche de support (42), ne peut pas être en prise avec les encoches de l'arbre (30), et dans laquelle au niveau de la petite extrémité (54), l'ouverture (50) est seulement légèrement plus grande que l'arbre (28), de sorte que le bord interne (56) de l'ouverture (50), qui fonctionne comme encoche de support (42), peut être en prise avec les encoches de l'arbre (30).
  4. Ponceuse réglable (10) selon l'une quelconque des revendications précédentes, dans laquelle le manchon (32) définit en outre une fenêtre (58), et dans laquelle la surface d'engagement (40) du support (38) peut être en prise avec les encoches de l'arbre (30) à travers ladite fenêtre (58).
  5. Ponceuse réglable (10) selon la revendication 4, dans laquelle l'arbre (28) inclut une seconde série d'encoches d'arbre (60) et le manchon (32) définit en outre une seconde fenêtre (62).
  6. Ponceuse réglable (10) selon la revendication 1, dans laquelle le mécanisme de verrouillage (22) inclut en outre un écrou d'engrenage (64) fixé à l'intérieur du corps (12) et présentant une surface intérieure (66) incluant une série d'encoches d'écrou (68), et le support (38) est un axe d'engrenage (70) présentant une première partie (72) incluant une série d'encoches de support (44) et une seconde partie (74) présentant une série d'encoches de verrouillage (76) configurées pour être en prise sélectivement avec les encoches d'écrou (68) de sorte que lorsque le support (38) est en position en prise, les encoches d'écrou (68) et les encoches de verrouillage (76) sont en prise les unes avec les autres, et en position dégagée, les encoches d'écrou (68) et les encoches de verrouillage (76) sont dégagées les unes des autres.
  7. Ponceuse réglable (10) selon la revendication 6, dans laquelle au moins l'une des encoches d'écrou (68) et l'une des encoches de verrouillage (76) sont chanfreinées (45).
  8. Ponceuse réglable (10) selon l'une quelconque des revendications précédentes, dans laquelle la surface d'opérateur (36) du sélecteur (34) est un curseur de pouce (78).
  9. Ponceuse réglable (10) selon l'une quelconque des revendications 1 à 7, dans laquelle la surface d'opérateur (36) du sélecteur (34) est un curseur à ailettes (80).
  10. Ponceuse réglable (10) selon l'une quelconque des revendications précédentes, dans laquelle le mécanisme de verrouillage (22) inclut en outre un cran (82) sollicité par un ressort (84), et dans laquelle ledit cran est configuré pour être en prise avec des surfaces de réception de cran (86) sur le sélecteur (34).
  11. Ponceuse réglable (10) selon l'une quelconque des revendications précédentes, dans laquelle au moins l'une des encoches d'arbre (30) et l'une des encoches de maintien (44) sont chanfreinées.
  12. Ponceuse réglable (10) selon l'une quelconque des revendications précédentes, incluant en outre un ressort (88) positionné autour de l'arbre (28) et configuré pour être sélectivement comprimé entre la tête (26) de l'arbre (28) et le manchon (32).
  13. Ponceuse réglable (10) selon l'une quelconque des revendications précédentes, dans laquelle le corps (12) est constitué d'un clapet en deux parties (90).
  14. Ponceuse réglable (10) selon l'une quelconque des revendications précédentes, incluant en outre des premier et second bras de liaison (92, 94) espacés l'un de l'autre et présentant chacun une extrémité (96, 98) reliée à la base flexible (14), et une seconde extrémité (100, 102) reliée au corps (12), et dans laquelle lesdits bras de liaison (92, 94) sont configurés pour faciliter un mouvement de pivotement plus important de la base flexible (14) par rapport au corps (12).
  15. Ponceuse réglable (12) selon l'une quelconque des revendications précédentes, incluant en outre un raccord de tube à vide (104) présentant une extrémité (106) configurée pour être en prise avec un mécanisme à vide et l'autre extrémité (108) configurée pour faciliter l'accès aux particules poncées libérées par la surface de ponçage (20).
EP21201454.2A 2021-10-07 2021-10-07 Ponceuse portable réglable Active EP4163055B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP21201454.2A EP4163055B1 (fr) 2021-10-07 2021-10-07 Ponceuse portable réglable
CN202211211231.8A CN115946010A (zh) 2021-10-07 2022-09-30 能调节的手持打磨机
US17/938,569 US20230113086A1 (en) 2021-10-07 2022-10-06 Adjustable handheld sander

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21201454.2A EP4163055B1 (fr) 2021-10-07 2021-10-07 Ponceuse portable réglable

Publications (2)

Publication Number Publication Date
EP4163055A1 EP4163055A1 (fr) 2023-04-12
EP4163055B1 true EP4163055B1 (fr) 2024-03-20

Family

ID=78085869

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21201454.2A Active EP4163055B1 (fr) 2021-10-07 2021-10-07 Ponceuse portable réglable

Country Status (3)

Country Link
US (1) US20230113086A1 (fr)
EP (1) EP4163055B1 (fr)
CN (1) CN115946010A (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1534469B1 (fr) * 2002-08-27 2014-04-02 Hope, Stephen Ross Support abrasif

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5544384A (en) * 1995-02-13 1996-08-13 Forselius; Frank E. Wall corner finishing tool
DE19534014A1 (de) * 1995-05-04 1996-11-07 Schlattl Alice Vorrichtung zum Schleifen von Oberflächen
GB2537372A (en) * 2015-04-13 2016-10-19 Stanley Works (Europe) Gmbh A sanding tool
WO2018116288A1 (fr) * 2016-12-23 2018-06-28 Dimar Ltd. Ponceuse manuelle

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1534469B1 (fr) * 2002-08-27 2014-04-02 Hope, Stephen Ross Support abrasif

Also Published As

Publication number Publication date
EP4163055A1 (fr) 2023-04-12
US20230113086A1 (en) 2023-04-13
CN115946010A (zh) 2023-04-11

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