Suction operated carpet laying device
Patent 5626329 Issued on May 6, 1997. Estimated Expiration Date: 
January 9, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
January 9, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 431488 3178155 Carpet installation tool Method and apparatus for loading and unloading sheet molding compound in and from a press Methods of and apparatus for stacking battery plates and the like Electromagnetic carpet stretcher device Methods of making composites using single sided resin impregnated fabric plies Patent #: 5409767 InventorApplicationNo. 370242 filed on 01/09/1995US Classes:254/200, Material comprises resilient floor covering (e.g., carpet)294/8.6CARPET STRETCHERExaminersPrimary: Stodola, Daniel P.Assistant: Marcelo, Emmanuel M. Attorney, Agent or FirmInternational ClassesB25B 025/00B65H 077/00 AbstractA carpet laying device comprises an anchor unit, a mobile unit and a drive system. The mobile unit and the anchor unit are secured to the carpet by suction provided by electrically driven exhaust fans. In use, the mobile unit is driven by the drive system away from the anchor unit to smooth out or stretch the carpet, the friction between the carpet and the mobile unit being weaker than that between the carpet and the anchor unit. In an alternative device, the anchor unit is a cushioned pad for abutment with a wall.Field of SearchMaterial comprises resilient floor covering (e.g., carpet)Including fluid or spring driven cylinder Including screw drive Including rack and pinion, or pinion segment, drive Including ratchet bar and driving pawl drive Having plural, disparate, driving pawls Including force transmitting, hand held and operated, lever CARPET STRETCHER With fabric-fastening elements Telescoping or longitudinally overlapping sections Carpet sewing Clamps | |
