The ornamental design for a couplingbracket for aircompressor, as shown and described.
FIG. 1 is a front perspective view of a coupling bracket for air compressor showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a left side elevational view thereof, the broken line showing of the coupling bracket being included for purpose of illustrating portion of the article and forming no part of the claimed design;
FIG. 7 is a right side elevational view thereof, the broken line showing of the coupling bracket being included for purpose of illustrating portion of the article and forming no part of the claimed design;
FIG. 8 is a rear perspective view thereof, the broken line showing of the coupling bracket being included for purpose of illustrating portion of the article and forming no part of the claimed design; and,
FIG. 9 is a front elevational view thereof, the air compressor and the electric motor depicted by means of broken lines being for illustrative purposes only and forming no part of the claimed design.
The broken line showing of the coupling bracket is included for the purpose of illustrating portions of the article and forms no part of the claimed design.