Adjustment for pneumatic timer

Brakes – Internal-resistance motion retarder – Having a thrust member with a variable volume chamber

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Details

116277, 200 83T, 335 61, F16F 904, H01H 703

Patent

active

043031471

ABSTRACT:
An adjustment mechanism for a pneumatic timing device, that operates relay contacts with a time delay, in which a needle valve is aligned longitudinally with a bellows and the needle valve is operated by a rotatable adjustment knob that operates a visual indicator through a reduction gearing.

REFERENCES:
patent: 141521 (1873-08-01), Starr
patent: 982195 (1911-01-01), Winkler
patent: 2220590 (1940-11-01), Vogt
patent: 3019317 (1962-01-01), Gauvreau
patent: 3213333 (1965-10-01), Mikina et al.
patent: 3249716 (1966-05-01), Haydu et al.
patent: 3538321 (1971-06-01), Dennison
patent: 3775710 (1973-11-01), Cook

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