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Title: Abrasive cleaning tool
Claims: What is claimed is: 1. A cleaning tool comprising a handle element and a coupled head assembly, the head assembly includes a screen support member, a screen mounted against said support member and means for attaching said screen to said head assembly, said screen having a plurality of abrasive particles attached to said screen, wherein said screen support member comprises a backing plate having a surface with means for locally supporting said screen and displacing said screen from the surface of said backing plate to allow water to flow through the screen during use of the cleaning tool under water. 2. The cleaning tool of claim 1 wherein said means for supporting and displacing said screen comprises a plurality of projecting elements integral with the surface of the backing plate. 3. The cleaning tool of claim 2 wherein said backing plate includes perforations for water flow. 4. The cleaning tool of claim 3 wherein said handle element is hollow and includes means for connecting a water source to said handle for delivering running water to said head assembly. 5. The cleaning tool of claim 1 wherein said head assembly includes further, a top plate coupled to said handle element and connector means for releasably connecting said backing plate to said top plate. 6. The cleaning tool of claim 5 wherein said backing plate has a front and a back and said screen is mounted against the front of said backing plate and in part, peripherally against the back of said backing plate, said means for attaching said screen to said head assembly comprising connector means which clamp said backing plate against said top plate. 7. A cleaning tool comprising a handle element and a coupled head assembly, the head assembly includes a first screen support member, a first screen mounted against said first support member, a second screen support member, a second screen mounted against said second screen support member, and means for attaching said first and second screens to said head assembly, said first and second screens having a plurality of abrasive particles attached to said screens, wherein said head assembly is rotatably connected to said handle element for selective use of said screens. 8. The cleaning tool of claim 7 wherein said screen support members comprise backing plates having surfaces with means for locally supporting said screens and displacing said screens from the surface of said backing plates to allow water to flow through the screen during use of the cleaning tool under water. 9. The cleaning tool of claim 8 wherein said abrasive particles on said second screen are generally larger than on said other screen. 10. A cleaning tool comprising a handle element and a coupled head assembly including a substantially rigid screen support member, a wire mesh screen having a limited degree of flexibility, said screen having a plurality of abrasive particles attached thereto, and means for locally attaching said screen to said support member, said screen support member having means for backing a portion of said screen by displacing said screen from said support member and thus allowing matter to flow through said screen. Other info: Inventors: Tobey, Alton E. (Santa Cruz, CA, US) Application Number: 559328 Filing Date: 1975-03-17 Publication_date: 1976-06-22 Assignee: Primary Class(es): 451/524 451/536 Other Classes: US Patent Ref:
Other Refs:
Primary Examiner: Smith, Al Lawrence Assistant Examiner: Godici, Nicholas P. Attorney: Bielen, Jr.; Theodore J., Peterson; Richard Esty |
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