Patents Assigned to Progress-Elektrogeraete Mauz & Pfeiffer GmbH & Co.
  • Patent number: 4738474
    Abstract: The pipe joint connection, in which one of the pipes to be connected is inserted into the other pipe, has a click-stop arrangement for maintaining the connection, which click-stop arrangement comprises two stop webs extending conically with respect to each other and being mounted on the outside of one pipe and two resilient tongues mounted on the outside of the other pipe. When the two pipes are being connected, the resilient tongues pass between the stop webs, whereby they are moved towards each other and, when being in the stop location, engage with the backsides of the stop webs.
    Type: Grant
    Filed: July 11, 1986
    Date of Patent: April 19, 1988
    Assignee: Progress-Elektrogeraete Mauz & Pfeiffer GmbH & Co.
    Inventors: Gernot Jacob, Leon Radom
  • Patent number: 4720890
    Abstract: A vacuum cleaner handle comprising a connection member connected to a handle tube and a handle member by which the vacuum cleaner handle is held during use and may be moved along with only little effort. In the working position of the vacuum cleaner, this handle member includes a handle portion positioned at least partly disposed over the axis of a central handle tube and at an acute angle thereto. A cord drum is attached to the vacuum cleaner handle. A cord of the vacuum cleaner may be wound up in the cord drum simply and neatly without the cord drum placed under the vacuum cleaner handle interfering with the use of the vacuum cleaner.
    Type: Grant
    Filed: April 2, 1986
    Date of Patent: January 26, 1988
    Assignee: Progress-Elektrogeraete Mauz & Pfeiffer GmbH & Co.
    Inventor: Gernot Jacob
  • Patent number: 4715084
    Abstract: The hand vacuum cleaner comprises a fan arranged in a vacuum cleaner housing, and a dust collector. The handle of the vacuum cleaner is connectable with the housing. At the suction stub of the vacuum cleaner there may be attached an intermediate pipe which is to be connected with a suction tool. An intermediate pipe is provided which is detachably positioned between the vacuum cleaner housing and the handle. Locks are provided to attach this intermediate pipe to the vacuum cleaning housing and the handle, such having a clamp handle for releasing and tightening of the clamps.
    Type: Grant
    Filed: May 8, 1986
    Date of Patent: December 29, 1987
    Assignee: Progress-Elektrogeraete Mauz & Pfeiffer GmbH & Co.
    Inventors: Gernot Jacob, Leon Radom
  • Patent number: D297871
    Type: Grant
    Filed: November 26, 1985
    Date of Patent: September 27, 1988
    Assignee: Progress-Elektrogeraete Mauz & Pfeiffer GmbH & Co.
    Inventors: Hans E. Slany, Reinhard Renner