# US 5,349,716 A · Squeegee device including a resiliently flexible blade arrangement > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 5,349,716 A - Document ID: US5349716A - Status: Granted - Kind: A - Application number: 08/120,634 - Filed: 1993-09-13 - Granted: 1994-09-27 - Earliest claimed: 1989-10-03 - Assignees: Robert Hicks Pty Ltd. - Inventors: Robert W. Millar - Web page: https://patentgrep.com/patent/US5349716A ## CPC - A47L 13/11: Squeegees - A47L 1/06: Hand implements (with built-in electric motors A47L1/05) - A47L: DOMESTIC WASHING OR CLEANING (brushes A46B; cleaning quantities of bottles or of other hollow articles of one kind B08B9/00; laundry D06F); SUCTION CLEANERS IN GENERAL (cleaning in general B08) ## Abstract A squeegee for the wiping down of curved or flat surfaces, the squeegee including a handle and a blade arrangement mounted substantially transversely to the handle. The blade arrangement preferably comprises a blade body including a pair of spaced apart blade members. The blade body is mounted to a resilient blade back which has a concave curvature along the length of the blade arrangement, i.e., substantially transverse to the handle, the blade back having a predetermined radius curvature of from about 200 to about 1000 millimeters. Each of the blade members is preferably comprised of a resilient material and is preferably disposed at an angle of from about 10.degree. to about 90.degree. to the surface to be wiped. The blade back may be flattened out so as to conform to the contour of the surface being wiped by application of relatively modest force to the handle. ## Claims ### Claim 1 A squeegee comprising: a handle and a resiliently flexible elongated blade arrangement extending substantially transverse to the handle, said blade arrangement having a concave curvature in a longitudinal direction transverse to the handle and including a resiliently flexible blade back, said blade back being substantially flat in lateral cross section without slots to substantially enhance flexure of the blade back and having secured thereto a flexible blade body, said blade body including at least one substantially planar blade member depending therefrom at an acute angle relative to the blade back, said blade back being sufficiently flexible to allow said blade arrangement to deform under application of force so as to enable said blade member to maintain substantial contact with a surface to be wiped. ### Claim 2 (depends on 1) A squeegee as in claim 1 wherein said acute angle is an angle of from about 30.degree. to about 80.degree.. ### Claim 3 (depends on 2) A squeegee as in claim 2 wherein said acute angle is an angle of from about 45.degree. to about 50.degree.. ### Claim 4 (depends on 1) A squeegee as in claim 1 wherein the concave curvature has a radius of curvature of from about 200 millimeters to about 1000 millimeters. ### Claim 5 (depends on 4) A squeegee as in claim 4 wherein the concave curvature has a radius of curvature of about 500 millimeters. ### Claim 6 (depends on 1) A squeegee as in claim 1 wherein said at least one blade member comprises two blade members extending longitudinally along the blade body and spaced apart in a direction of travel of the squeegee in use. ### Claim 7 (depends on 6) A squeegee as in claim 6 wherein said blade members are spaced apart from about 10 millimeters to about 40 millimeters. ### Claim 8 (depends on 7) A squeegee as in claim 7 wherein said blade members are spaced apart by about 20 to 25 millimeters. ### Claim 9 (depends on 6) A squeegee as claim 6 wherein each of said blade members include a contact surface having a shape selected from the group comprising squared, rounded and pointed. ### Claim 10 (depends on 1) A squeegee as in claim 1 wherein said at least one blade member is formed from a material selected from the group comprising thermoplastic rubbers, urethanes, silicon rubber, natural rubbers, and ethylene vinyl acetates. ### Claim 11 (depends on 1) A squeegee as in claim 1 wherein said blade back is formed from a flexible material such that the concave curvature of said blade arrangement may be deformed by application of a force of from about 200 to 700 grams. ### Claim 12 (depends on 11) A squeegee as in claim 11 wherein the force is about 400 grams. ### Claim 13 (depends on 1) A squeegee as in claim 1 wherein said blade back is formed from a material selected from the group comprising polypropylene, polyvinyl chloride, nylon, acetal, styrene and ABS. ### Claim 14 (depends on 1) A squeegee as in claim 1 wherein said at least one blade member is formed from a material having a Durometer A hardness ranging from about 40 to 70 Durometer A. ### Claim 15 (depends on 14) A squeegee as in claim 14 wherein said at least one blade member material has a hardness of about 50 Durometer A. ### Claim 16 (depends on 1) A squeegee as in claim 1 wherein said blade back is free of flexure accommodation joints extending substantially transverse to said longitudinal direction of said blade arrangement. ### Claim 17 A squeegee comprising: a handle and a blade arrangement mounted substantially transversely to said handle, said blade arrangement including a resilient blade back substantially flat in lateral cross section without slots to substantially enhance flexure of the blade back, said resilient blade back being concave in a longitudinal direction transverse to the handle and having a radius of curvature from about 200 to about 1000 millimeters, a blade body mounted to the resilient blade back, and at least one blade member depending from the blade body and extending longitudinally thereof, said at least one blade member being comprised of a resilient material and disposed at an angle from about 30.degree. to about 80.degree. relative to said blade back, wherein said blade back may be deformed by application of a force on the handle from about 200 to about 700 grams. ### Claim 18 (depends on 17) A squeegee as in claim 17 wherein said at least one blade member comprises a plurality of blade members, said blade members being spaced apart from about 10 to about 40 millimeters in a direction of travel of the squeegee in use.