Upright type vacuum cleaner

Details Upright type vacuum cleaner Upright type vacuum cleaner

2008-04-01

2008-04-01

Redding, David A (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

Reexamination Certificate

active

07350266

ABSTRACT:
An upright type vacuum cleaner has a locking to selectively restrain the pivoting of a handle assembly when the handle assembly is pivoted to be in a right angle with respect to a base. The locking device includes a locking portion disposed at a side of the base, a locking protrusion movably disposed at the handle assembly and selectively moving between a locking position where the locking protrusion contacts with the locking portion and an unlocking position where the locking protrusion releases out of the locking portion, and a pedal member pivotably disposed at the handle assembly to move the locking protrusion. As the pedal member is disposed at the handle assembly, the size of the base can be reduced and the manipulation of the pedal member becomes easy.

REFERENCES:
patent: 4423534 (1984-01-01), Lyman et al.
patent: 4823430 (1989-04-01), Yonkers et al.
patent: 6006401 (1999-12-01), Jailor et al.
patent: 481679 (1938-03-01), None
patent: 2384694 (2003-08-01), None
patent: 2000-041926 (2000-02-01), None
Combined Search and Examination Report under Sections 17 and 18(3) dated Oct. 21, 2004.
Canadian Patent Office, Office Action dated Sep. 6, 2006, with respect to Canadian Patent Application No. 2,471,992, filed on Jun. 22, 2004.

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