Collection apparatus

• US 5,727,283 A
• Filed: 05/23/1995
• Issued: 03/17/1998
• Est. Priority Date: 05/28/1994
• Status: Expired due to Term

• Current Assignee: Black & Decker Incorporated (Stanley Black & Decker, Inc.)
• Original Assignee: Black & Decker Incorporated (Stanley Black & Decker, Inc.)
• Inventors: Webster, Craig Duncan
• Primary Examiner(s): MOORE, CHRISTOPHER K
• Application Number:
  US08/447,461
• Time in Patent Office: 1,029 Days
• Field of Search: 15/330, 15/409
• US Class Current: 15/409
• CPC Class Codes: A47L 9/08 with means adapted for blowing
• CPC Class Codes: E01H 1/0809 Loosening or dislodging by blowing combined with suction E01H1/0863; with steam E01H1/10; removing snow by blowing E01H5/106; cleaning rails by blowing E01H8/105, E01H8/125; removing fog by blowing E01H13/00; cleaning joints in road construction by blowing E01C23/0906; Drying by means of gas streams by heat only E01H1/08; combined with snow or ice melting E01H5/10, E01H5/106, E01H5/108
• CPC Class Codes: E01H 2001/089 Suction-effect created through blowing, e.g. using the venturi effect

Abstract

A collection apparatus includes an air outlet, a collection mouth and an apparatus for creating an airstream for discharge at the air outlet. The collection apparatus further includes a cylinder mounted at the air outlet for rotation and a device for directing an airstream tangentially across the surface of said cylinder.

Claims

1. Collection apparatus comprising

a) an air outlet;

b) a collection mouth;

c) means for creating an airstream for discharge at the air outlet;

d) a rotatable cylinder mounted at the air outlet and disposed between a first channel and a second channel; and

e) means for directing the discharged airstream substantially tangentially across a surface of the rotatable cylinder such that the rotatable cylinder rotates in the direction of airstream flow.

2. Collection apparatus according to claim 1, wherein said collection mouth is adapted to be connected to a receptacle for debris collected.

3. Collection apparatus according to claim 1, which comprises a suction cleaner, in particular for domestic use.

4. Collection apparatus according to claim 1, wherein the means for directing the discharged airstream is a stationary control surface.