Fences – Rail – Connection
Reexamination Certificate
2005-02-22
2005-02-22
Cottingham, John (Department: 3679)
Fences
Rail
Connection
C256S065150
Reexamination Certificate
active
06857622
ABSTRACT:
An ergonomic handrail adapted for use with a stairway or in a toilet has a generally wavy shape. It is mounted generally obliquely on a wall to provide an alternating combination of generally vertically and horizontally disposed portions which are disposed generally above steps and risers of the stairway, respectively. The generally vertically and horizontally disposed portions are adapted to be grasped by a user without bending his or her wrist forwardly in ascending and descending a flight of stairs, respectively. This arrangement enables infirm persons such as elderly or disabled persons to grasp it readily and firmly without causing their hands to accidentally slip from grasping engagement with it.
REFERENCES:
patent: 4557467 (1985-12-01), Lin
patent: 4646490 (1987-03-01), Naka et al.
patent: 5197717 (1993-03-01), Gund
patent: D378432 (1997-03-01), Raynes
patent: 6533251 (2003-03-01), Abbaticchio
Cottingham John
Griggs Dennis T.
Qunetto Japan Company Limited
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