Claims
- 1. In a method of making a brushing apparatus for carpets and the like, the steps of producing a dirt-collecting trough having at least an elongated bottom wall, a longitudinal wall, transverse walls and an open top, said producing step including initially forming at least said bottom wall and said longitudinal wall in a flat condition in a common plane and with a flexible wall zone interconnecting the same, and displacing at least said longitudinal wall about said wall zone so that a marginal portion of said longitudinal wall which is parallel to and distant from said wall zone is spaced from said common plane; pivotally mounting said trough on an axle supported in a housing having an open side facing toward a surface to be brushed so that said open top faces oppositely of said open side, engaging said marginal portion of said longitudinal wall permanently with said axle to form a partial bearing for pivoting movement of said longitudinal wall about said axle and to retain said longitudinal wall against movement into the plane of said bottom wall; and installing at least one brush roller in said housing laterally adjacent said trough and projecting in part from said open side of said housing.
- 2. In a method as defined in claim 1, said walls having abutments; and wherein the step of displacing comprises moving said walls until said abutments engage one another.
- 3. In a method as defined in claim 1, wherein the step of producing comprises making said trough from synthetic plastic material.
- 4. In a method as defined in claim 1, wherein the step of producing comprises molding said trough.
Priority Claims (1)
Number |
Date |
Country |
Kind |
2154971 |
Nov 1971 |
DT |
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CROSS REFERENCE TO RELATED APPLICATION
This is a divisional application of my copending application Ser. No. 302,590 filed Oct. 31, 1972.
US Referenced Citations (11)
Foreign Referenced Citations (1)
Number |
Date |
Country |
1,068,082 |
May 1967 |
UK |
Divisions (1)
|
Number |
Date |
Country |
Parent |
302590 |
Oct 1972 |
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