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Dust Collectors for Power Hand Tools? This question about dust collectors for power hand tools comes from Robert: I would like to ask a question about dust collection. This is placeholder text. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Manage consent. Close Privacy Overview This website uses cookies to improve your experience while you navigate through the website.
Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Other edge abraders can be used with the shield embodiment of FIG. As with the other embodiments, shield 10 basically includes a base 14 and a skirt A plurality of brackets 58 each slidable in a channel 60 toward and away from the centerline of the shield are provided for securing the shield to a sander housing 22 as seen in FIG.
While three brackets 58 as shown is a preferred arrangement, in some cases, especially with a square housing, four brackets are preferred, although more or fewer brackets 58 may be used. Where fewer than three are used, provision must be made to lock the bracket to the corresponding channel 60, such as with setscrews, at the desired location.
With three or more brackets 58, the group of brackets will be inherently self-centering, so that no means for fastening a bracket to its channel will be required, although a fastener such as setscrews could be used if desired.
In use, the shield is positioned in alignment with the grinder or sander housing and the brackets 58 are moved into contact with the housing in the desired alignment. A clamp not shown , such as a conventional hose clamp, is then tightened around the brackets to secure the shield to the housing. In the embodiment shown in FIGS. Exhaust tube 62 communicates with an exhaust port not seen through base A swiveling exhaust extension 64 has a base section 66 having an inside diameter slightly greater than the outside diameter of exhaust tube The angled end 68 of extension has any suitable diameter, selected to match the vacuum hose to be used with this shield.
A first circumferential groove 70 around tube 62 cooperates with a molded bead 72, and second circumferential groove 74 cooperates with a bead 76, each around the inside of base section Extension 66 is slipped over exhaust tube 62 so that the inner wall sealingly engages groove 70 with molded bead 72 and bead 76 snaps into groove Extension 64 then can be swiveled to keep a vacuum hose connected to angled end 68 out of the way of the operator, while the beads and grooves prevent air from being drawn between tubes 62 and Extension 64 may be easily replaced with another having a different diameter at angled end 68 to fit a different vacuum hose.
Engagement means other than the cooperating beads and grooves may be used, if desired. In many cases, tube 62 will be sized so that a conventional vacuum hose end can fit snugly over or within tube Thus, the embodiment of FIGS. A retailer would not be required to keep a large number of different shields on hand to accommodate different sander and vacuum systems. The user would be able to use a single shield assembly on a number of different tools.
Bracket 80 is formed from a flexible material, such as polycarbonate, styrene, acrylic or polypropylene plastics, and may have a resilient, rubbery or foam, layer 84 on the interior. Bracket 80 is brought into contact with a sander or other tool housing similar to housing 22 shown in FIG. The flexibility of the bracket and any resilient lining will allow the bracket to tightly engage housings of a range of diameters.
With shield 10 properly positioned, bracket 80 is secured to channels 82, such as by setscrews If desired, two assemblies of a bracket 80 and channels 82 can be positioned on opposite sides of the base center to contact opposite sides of a housing, to increase the strength and rigidity of the mounting.
A generally rectangular exhaust port 88 is provided in skirt 16 in the embodiment of FIG. A frame 90 is provided around exhaust port 88 and has grooves 9 not seen in the side and bottom edges. Typical of such grooves are those shown in FIGS. An exhaust tube 94 having a diameter selected to match a desired vacuum hose not shown is mounted on a rectangular adapter having an outer edge sized to slide into grooves Thus, tube 94 can be replaced with another having a different angle e.
Here, shield 10 can be any of the embodiments shown in FIGS. Here the entire skirt 16 is used, but an edge of cover 50 is removed. The edge of grinding tool 18 is exposed for edge grinding. Most of tool 18 is housed, the vacuum being drawn into the shield is focused exclusively on the small exposed area of the abrasive disc, then passes out through tube This arrangement will capture most of the sanding dust. While cover 50 can be secured to skirt 16 in any suitable manner, the bead and groove arrangement shown in FIG.
Shield 10 is structurally the same as that shown in FIGS. Tool 98 is carried by a shaft corresponding to shaft 26 in FIG. A vacuum hose 38 connected to exhaust tube 34 draws dust, etc.
The collar configurations allow easy and convenient up and down positioning of the entire shield for use in any combination of power sanders and other tools. If desired, the upper portion of each bracket may have a series of weakened lines similar to lines 40 in planes perpendicular to the shield centerline, so that any end portions of any brackets that interfere with parts of housings when the shield is positioned in upward positions can be broken away.
Thus, these collars are adaptable to almost any hand sanding tool. Of course, the other shield embodiments and exhaust tube embodiments discussed above could be used with tools of the sort shown in FIG. In addition a narrow strip of brush material, or other soft material, may be included along the edge of the skirt. While certain specific relationships, materials and other parameters have been detailed in the above description of preferred embodiments, those can be varied, where suitable, with similar results.
Other applications, variations and ramifications of the present invention will occur to those skilled in the art upon reading the present disclosure. Those are intended to be included within the scope of this invention as defined in the appended claims.
We claim: 1. A dust control system for rotary hand tools which comprises: a shroud having an interior and comprising a base secured to a peripheral skirt adapted to surround a rotatable abrasive means;.
The dust control system for rotary hand tools according to claim 2 wherein said axial tube section is integral with said base and further includes a plurality of reinforcements secured between said axial tube section and said base. The dust control system for rotary hand tools according to claim 1 wherein said means for fastening said collar to a housing comprises at least one hose clamp. The dust control system for rotary hand tools according to claim 1 wherein said collar means comprises at least one bracket slidably secured to said base for movement toward and away from the center of said shroud, whereby said bracket may be brought into engagement with said housing.
The dust control system for rotary hand tools according to claim 1 wherein said exhaust port is a tubular section secured to said base substantially perpendicular to said base and communicates with an opening through said base. The dust control system for rotary hand tools according to claim 6 further including an angled exhaust extension releasably connected to said exhaust port and adapted to be rotated relative to said shroud about the exhaust tube centerline.
The dust control system for rotary hand tools according to claim 1 wherein said exhaust port is releasably secured to said skirt and is in communication with a hole through said skirt.
The dust control system for rotary hand tools according to claim 1 wherein said shroud base and skirt have at least one weakened line lying substantially perpendicular to a line drawn through the center of the shroud base whereby the portion of the shroud outside the line can be easily removed to permit the edge of a rotating abrasive means to extend beyond the shroud.
The dust control system for rotary hand tools according to claim 1 further including a cover releasably attachable to the edge of said skirt opposite said base. The dust control system for rotary hand tools according to claim 10 wherein said cover includes at least one weakened line corresponding to the shroud base and skirt weakened line whereby a portion of the cover outside the line can be easily removed.
The dust control system for rotary hand tools according to claim 12 further including a layer of resilient material on the interior of said collar for contacting said housing.
The dust control system for rotary hand tools according to claim 12 further including at least one reinforcing gusset secured to said base and said collar adjacent to said base. Cordless Vacuum Cleaners. Cordless Vacuum Cleaner Attachments. Open contact form.
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