Device for communicating between two media separated by a slotte

Details Device for communicating between two media separated by a slotte Device for communicating between two media separated by a slotte

1989-02-22

1990-09-04

Luong, Vinh T.

Machine element or mechanism

Control lever and linkage systems

Elements

24303, 180 906, G05G 100, A44B 2100

Patent

active

049534246

ABSTRACT:
Device for communication between two media (2, 3) separated by a slotted wall (1). On the slot (4) is placed a packing with lips (13, 14), the edge (15, 16) of which is covered with magnets (17, 18) having an attracting action. Arm (5) passing through the slot (4) is provided with magnets (21, 22), which locally move the lips (13, 14) apart. This prevents friction and deformations.

REFERENCES:
patent: 2373455 (1945-04-01), Carey
patent: 2627097 (1953-02-01), Ellis
patent: 2809411 (1957-10-01), Markoff-Mogadham
patent: 3285093 (1966-11-01), Sellmeyer
patent: 3428272 (1969-02-01), Feder
patent: 3748923 (1973-07-01), Babbitt et al.
patent: 4351199 (1982-09-01), Mozingo
patent: 4505324 (1985-03-01), Hildebrand et al.
patent: 4793620 (1988-12-01), Karch

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