The ornamental design for a tiltarmassembly, as shown and described.
FIG. 1 is an isometric view of a tilt arm assembly;
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;
FIG. 7 is a bottom plan view thereof;
FIGS. 8 and 9 are isometric views thereof, wherein the tilt arm assembly is shown in a tilted state;
FIG. 10 is a front elevation view of the tilt arm assembly shown in the tilted state;
FIG. 11 is a rear elevation view of the tilt arm assembly shown in the tilted state;
FIG. 12 is a left side elevation view of the tilt arm assembly shown in the tilted state;
FIG. 13 is a right side elevation view of the tilt arm assembly shown in the tilted state;
FIG. 14 is a top plan view of the tilt arm assembly shown in the tilted state; and,
FIG. 15 is a bottom plan view of the tilt arm assembly shown in the tilted state.
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.