The ornamental design for a bedriser, as shown and described.
FIG. 1 is a top perspective view illustrating a bed riser in accordance with the present invention supporting a bed in an elevated position;
FIG. 2 is a top view of a bed riser in accordance with the present invention;
FIG. 3 is a bottom view thereof;
FIG. 4 is a side view thereof, each other side view being identical;
FIG. 5 is a bottom perspective view thereof;
FIG. 6 is top perspective view thereof; and,
FIG. 7 is a top perspective view of a bed riser of different proportion in accordance with the present invention.
The broken lines in FIG. 1 depicting a bed and additional bed risers present unclaimed subject matter for the purpose of illustrating the environment in which the article embodying the design is used and form no part of the claimed design. The broken lines in FIGS. 3 and 5 relating to interior structure present unclaimed subject matter and form no part of the claimed design.