| 摘要 |
1534235 Suction grip CARL FREUDENBERG 22 Feb 1977 [13 March 1976] 07332/77 Heading E2A A suction grip is made of an elastomer and has a mounting stem 1 having a suction cup 2. The stem 1 has a cavity 3 which connects with the space 5 of the cup 2 via a valve. The latter may be 4.1, Fig. 1, a ball 4.2, Fig. 2 or a cylindrical member 4.3, Fig. 3. In use release of the grip is effected by forcing compressed air through the valve into the spaces of the cup 2. |
