Title:
Quick release coupling
United States Patent D313067


Inventors:
Kotake, Naoyuki (Tokyo, JP)
Mikiya, Toshio (Tokyo, JP)
Application Number:
07/258974
Publication Date:
12/18/1990
Filing Date:
10/17/1988
Assignee:
Nitto Kohki Co., Ltd. (Tokyo, JP)
Primary Class:
Field of Search:
D23/262-265, 285/137.1, 285/249, 285/614.03, 285/614.04
View Patent Images:
US Patent References:
D299267Quick-connect couplingJanuary, 1989RomanD23/262
4733692Tube couplingMarch, 1988Kotake et al.137/614.03
4625761Corrosion-resistant, quick disconnecting coupling assembly for piping useDecember, 1986Uchida et al.137/614.03
4596272CouplingJune, 1986Medvick et al.137/614.03
4549575Breakaway fluid systemOctober, 1985Rogers137/614.03
4543993Positive locking connectorOctober, 1985Calvin et al.137/614.03
D267506Quick connect couplingJanuary, 1983EvansD23/262
4350321Quick coupling device for pressurized fluid conduitsSeptember, 1982Berg137/614.03
4327770Quick disconnect fluid line couplingMay, 1982Brown et al.137/614.03
4289164Coupling deviceSeptember, 1981Ekman137/614.03
4002186Quick disconnect couplingJanuary, 1977Fink et al.137/614.03
3995659Quick-coupling valved joint for pipes embodying valved male and female coupling elementsDecember, 1976Cantore137/614.03
3588149N/AJune, 1971Demier285/137.1
D195540N/AJune, 1963KnightD23/262
D167662N/ASeptember, 1952UlrichD23/262
1175532N/AMarch, 1916Lambkin285/249



Primary Examiner:
Largen, James R.
Assistant Examiner:
Reynolds, Demetrios
Attorney, Agent or Firm:
Nixon & Vanderhye
Claims:
1. The ornamental design for a quick release coupling, as shown and described.

Description:

FIG. 1 is a perspective view taken from the top, front and right end of a quick release coupling showing my new design;

FIG. 2 is a front elevational view thereof, the rear being a mirror image of the front shown;

FIG. 3 is a top plan view thereof the bottom being a mirror image of the top shown;

FIG. 4 is a right end elevational view thereof;

FIG. 5 is a left end elevational view thereof;

FIG. 6 is a perspective view taken from the top, front and right end of the plug portion thereof;

FIG. 7 is a front elevational view of FIG. 6;

FIG. 8 is a top plan view of FIG. 6;

FIG. 9 is a rear elevational view of FIG. 6;

FIG. 10 is a bottom plan view of FIG. 6;

FIG. 11 is a right end elevational view of FIG. 6;

FIG. 12 is a left end elevational view of FIG. 6;

FIG. 13 is a perspective view taken from the top, front and right end of the socket portion thereof;

FIG. 14 is a front elevational view of FIG. 13, the rear being a mirror image of the front shown;

FIG. 15 is a top plan view of FIG. 13, the bottom being a mirror image of the top shown;

FIG. 16 is a right end elevational view of FIG. 13; and

FIG. 17 is a left end elevational view of FIG. 13.