Claims
- 1. A rug treating machine comprising:
- 1. a motor;
- 2. a brush rotatably driven about a horizontal axis by said motor, said brush being adapted to urge propulsion of said machine forwardly, when said brush is in contact with a surface to be cleaned;
- 3. a forward roller and a rearward roller for supporting the front and rear of said machine, respectively;
- 4. a control handle for guiding the movement of said machine and coupled to said machine and to one of said rollers by a linkage including a lost motion connection; and wherein
- 5. in response to rearward translational movement of said machine by manual manipulation of said control handle said one of said rollers is moved by said linkage in a direction to lift said brush from said surface and terminate the effectiveness of said brush for urging forward propulsion of said machine.
Parent Case Info
This is a division of application Ser. No. 384,851 filed Aug. 1, 1973, and now U.S. Pat. No. 3,875,605.
US Referenced Citations (5)
Foreign Referenced Citations (1)
Number |
Date |
Country |
458,176 |
Jul 1949 |
CA |
Divisions (1)
|
Number |
Date |
Country |
Parent |
384851 |
Aug 1973 |
|