Control for a vacuum cleaner system

• US 3,382,524 A
• Filed: 07/21/1966
• Issued: 05/14/1968
• Est. Priority Date: 07/21/1966
• Status: Expired due to Term

• Current Assignee: Clifford L. Sandstrom
• Original Assignee: Clifford L. Sandstrom
• Inventors: Sandstrom, Clifford L.
• Application Number:
  US04/566,962
• Time in Patent Office: 663 Days
• US Class Current: 15/314
• CPC Class Codes: A47L 5/38 Built-in suction cleaner installations, i.e. with fixed tube system to which, at different stations, hoses can be connected
• CPC Class Codes: A47L 9/2842 Suction motors or blowers
• CPC Class Codes: A47L 9/2889 Safety or protection devices or systems, e.g. for prevention of motor over-heating or for protection of the user
• CPC Class Codes: A47L 9/2894 Details related to signal transmission in suction cleaners

Claims

1. A VACUUM CLEANER SYSTEM, INCLUDING:

WAND MEANS, HOSE MEANS, AND VACUUM CLEANER UNIT MEANS MECHANICALLY CONNECTED TOGETHER TO FORM A VACUUM CLEANER SYSTEM;

SAID HOSE MEANS FORMED OF A FLEXIBLE AIR-TIGHT MATERIAL AND INCLUDING CONTINUOUS RESILIENT ELECTRICALLY CONDUCTIVE SUPPORT MEANS;

SAID WAND MEANS INCLUDING AN ELECTRIC SIGNAL GENERATING MEANS CONNECTED TO SAID ELECTRICALLY CONDUCTIVE SUPPORT MEANS;

AND SAID VACUUM CLEANER UNIT MEANS INCLUDING AN ELECTRICAL SIGNAL RECEIVER MEANS ELECTRICALLY CONNECTED TO SAID HOSE CONDUCTIVE SUPPORT MEANS;

SAID SIGNAL GENERATING MEANS CONTROLLING SAID VACUUM CLEANER UNIT MEANS BY TRANSMITTING AN ELECTRIC SIGNAL OVER SAID CONTINUOUS RESILIENT CONDUCTIVE SUPPORT MEANS TO SAID ELECTRICAL SIGNAL RECEIVER MEANS.