Appeal No. 2002-1645 Page 6
Application No. 09/281,553
leaning downwardly on something with his forearms--thus avoiding upward pressure on
his diaphragm.
In the first embodiment of Englehart's invention (see Figures 1-4), the walker
comprises a strong tubular, three sided, and substantially waist high frame of aluminum
or steel having lower side bars 12 and 14 rigidly connected to a front bar 16 and all
being braced by diagonal bars 18. The lower frame is mounted on rear wheels 20 and
front caster wheels 22 for steering. The frame which is open at the rear, also includes
inverted generally U-shaped side bars 24 and 26 rigidly connected at the front by a
cross bar 28 and at the top forward portion by a cross bar 30. The tops of the bars 24
and 26 include padded hand grips 32 of naugahide or other suitable washable material.
A tubular bracket 34 for the reception of a portable oxygen bottle is mounted on the
front bar 16 and is fixed to it and to the upper front bar 28. A second tubular bracket 36
for the reception of an I.V. pole is fixed to the upper front of the side bar 24.
An important feature of Englehart's invention resides in the provision of a padded
leaning rest 38 and its forwardly projecting U-shaped safety hand hold bar 40. The
hand hold bar 40 is covered in naugahide, etc. and provided with brake control handles
42 which individually control bicycle-type rear wheel brakes (not shown) by means of
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