The ornamental design for a tiltarmassembly, as shown and described.
FIG. 1 is an isometric view of a tilt arm assembly according to a fourth exemplary embodiment of the invention;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof; and
FIG. 7 is a bottom plan view thereof.
FIG. 8 is a rear isometric view thereof, wherein the tilt arm assembly is shown in a tilted state;
FIG. 9 is a front isometric view thereof;
FIG. 10 is a front elevation view thereof;
FIG. 11 is a rear elevation view thereof;
FIG. 12 is a left side elevation view thereof;
FIG. 13 is a right side elevation view thereof;
FIG. 14 is a top plan view thereof; and,
FIG. 15 is a bottom plan view thereof.
The broken line showing of the tilt arm assembly is for the purpose of illustrating portions of the tilt arm assembly and forms no part of the claimed design.