Blow gun assembly

B - Operations – Transporting – 05 – B

Patent

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Details

299/15

B05B 1/00 (2006.01) F16L 25/00 (2006.01) F16L 37/23 (2006.01)

Patent

CA 2007792

This blow gun assembly (10) includes a blow gun (12) which includes a quick-change coupling adaptor (20) to facilitate the connection of an assortment of nozzles (22). The coupling adaptor includes a body (34) threadedly connected to the outlet end (18) of the blow gun and having a ball lock latch mechanism (42, 44), a spring-biased plunger (50) and a spring-biased external sleeve (60). The nozzle includes a circumferential groove (30) receiving the balls when the nozzle is pushed into the adaptor body against the bias of the plunger to latch the nozzle in place. The plunger (50) includes guide tongue elements (58) received by cooerating grooves (48) in the body and spaced rearwardly of the forward end of the plunger so that the plunger engages the balls in the forward position when the nozzle is ejected by pulling back on the sleeve the balls being disposed in alignment with the grooves.

L'ensemble pistolet à air (10) comprend un pistolet à air (12), y compris un adaptateur de raccordement à serrage rapide (20) pour faciliter la connexion d'un assortiment de buses (22). L'adaptateur de raccordement comprend un corps (34) relié par des filets à l'extrémité de sortie (18) du pistolet à air et équipé d'un mécanisme de verrouillage à blocage par billes (42, 44), un plongeur à ressort (50) et une douille extérieure à ressort (60). La buse comprend une rainure sur sa circonférence (30) qui reçoit les billes lorsqu'elle est poussée dans le corps de l'adaptateur contre le ressort du plongeur pour bloquer la buse en place. Le plongeur (50) comporte des languettes de guidage (58) se logeant dans des rainures (48) dans le corps et espacées vers l'arrière de l'extrémité avant dudit plongeur pour que ce dernier bloque les billes en position avant lorsque la buse est éjectée en replaçant sur la douille les billes alignées avec les rainures.

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