| 摘要 |
A push button or turning type vacuum suction cup, especially for a windshield of mechanical vehicles comprising an elastic suction cup (1), integrally connected with a guiding spindle (2), a dome (3) connected with a guiding bushing (4), a return spring (5), and a guiding pin (6) in a transverse hole (7) of the guiding spindle (2). The push button suction cup has a push button (8) with guiding grooves (9) on its both side walls (8') and sliding within a housing (10) of the suction cup. The turning suction cup has the guiding bushing (4) provided with cam surfaces (11) and a knob (12) fastened to the dome (3). The guiding pin (6) being forced into the transverse hole (7) of the guiding spindle (2) of the suction cup (1) is guided directly along guiding grooves (9) or cam surfaces (11) inside the housing (10, 12) of the suction cup.
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