Wheelchair with vertically adjustable seat
FIG. 1 is a perspective view of the wheelchair with vertically adjustable seat of my new design showing the seat in the down position;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a side elevational view of the right side thereof;
FIG. 6 is a side elevational view of the left side thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a perspective view of the wheelchair with vertically adjustable seat of FIG. 1, showing the seat in the up position;
FIG. 9 is a top plan view of the wheelchair of FIG. 8;
FIG. 10 is a front elevational view of the wheelchair of FIG. 8;
FIG. 11 is a rear elevational view of the wheelchair of FIG. 8;
FIG. 12 is a side elevational view of the right side of the wheelchair of FIG. 8;
FIG. 13 is a side elevational view of the left side of the wheelchair of FIG. 8; and,
FIG. 14 is a bottom plan view of the wheelchair of FIG. 8.
| D352684 | November 22, 1994 | Smith et al. |
| 2233262 | February 1941 | Jacobson |
| 2592025 | April 1952 | Gray |
| 2678087 | May 1954 | McKinley |
| 2729272 | January 1956 | Lidge et al. |
| 2982336 | May 1961 | Minici |
| 5040638 | August 20, 1991 | Smith |
| 5375910 | December 27, 1994 | Murphy |
| 5613697 | March 25, 1997 | Johnson |
| 5695248 | December 9, 1997 | Bell |
Type: Grant
Filed: Aug 4, 1999
Date of Patent: Jul 11, 2000
Inventor: Phillip E. Schlangen (Minneapolis, MN)
Primary Examiner: Kay H. Chin
Law Firm: Burd, Bartz & Gutenkauf
Application Number: 0/108,753
International Classification: 1212;
