Buffer structured castor wheel for vacuum cleaner

Details Buffer structured castor wheel for vacuum cleaner Buffer structured castor wheel for vacuum cleaner

2006-09-05

2006-09-05

Till, Terrence R. (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S327200, C015S353000

Reexamination Certificate

active

07100236

ABSTRACT:
Buffer structured castor wheel for a vacuum cleaner, which is modified and disposed appropriately for preventing the vacuum cleaner from bitting a wall and the like directly, including two or more than two castor wheel assemblies fitted to a front bottom of a vacuum cleaner body each capable of two axes rotation and having a portion protruded beyond an outline of the vacuum cleaner body.

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CN Office Action dated Apr. 4, 2003 (full text w/ English translation).

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