Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1985-08-06
1986-11-11
Smith, Gary L.
Machine element or mechanism
Control lever and linkage systems
Elements
70332, 70DIG73, 116282, 334 89, G05G 110
Patent
active
046215395
ABSTRACT:
In a device wherein electric components and rotary knobs for operating them are disposed in a case with the rotary knobs extending partially through respective slots formed in the upper surface of the case, the improvement comprising the fact that the rotary knobs are arranged in two rows and staggered with a barrier formed between the two rows.
REFERENCES:
patent: 972171 (1910-10-01), DuPont
patent: 3673540 (1972-06-01), McDonough
patent: 3766760 (1973-10-01), Wohrhauser et al.
patent: 3767112 (1973-10-01), Tonari
patent: 4123988 (1978-11-01), Brownlee
Alps Electric Co. ,Ltd.
Lindsey Rodney M.
Shoup Guy W.
Smith Gary L.
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