公开(公告)号：US10654058B2

公开(公告)日：2020-05-19

申请号：US16510624

申请日：2019-07-12

Applicant: GUALA DISPENSING S.p.A.

Inventor： Maurizio Bistolfi

IPC: B05B11/00

Abstract: A dispensing head (1) for a trigger dispensing device includes a return spring (50) provided with a pair of main arms (52, 54), secondary arms (62, 64) which extend from the main arms (52, 54) and an abutment portion (70) that connects the secondary arms (62, 64). The abutment portion (70) and/or the secondary arms (62, 64) are applied to the frame (2) to create a constraint and give rise to a return action.

公开(公告)号：US10434529B2

公开(公告)日：2019-10-08

申请号：US15768790

申请日：2016-09-23

Applicant: GUALA DISPENSING S.p.A.

Inventor： Maurizio Bistolfi

IPC: B05B11/00

Abstract: A dispensing head (1) for a trigger dispensing device includes a return spring (50) provided with a pair of main arms (52, 54), secondary arms (62, 64) which extend from the main arms (52, 54) and an abutment portion (70) that connects the secondary arms (62, 64). The abutment portion (70) and/or the secondary arms (62, 64) are applied to the frame (2) to create a constraint and give rise said return action.