Electrical generator or motor structure – Dynamoelectric – Reciprocating
Patent
1974-04-12
1976-01-06
Duggan, Donovan F.
Electrical generator or motor structure
Dynamoelectric
Reciprocating
198220DC, H02K 3302
Patent
active
039315347
ABSTRACT:
A vibrating motor comprising a main frame and a center clamp between which the vibrator bars are secured for relative vibration of the main frame and the center clamp. Each of the main frame and the center clamp are formed as a fabricated construction of metal plate elements that are secured to each other in the respective assemblies by welding. Each of the main frame and the center clamp that is constructed in this manner is sufficiently rigid to securely hold the vibrator bars and their spacers.
REFERENCES:
patent: 2356961 (1944-08-01), Weyandt
patent: 3155853 (1964-11-01), Spurlin et al.
patent: 3167670 (1965-01-01), Spurlin
patent: 3170078 (1965-02-01), Kuschel
Gray William R.
Kahrmann, Jr. Henry A.
Shieh Ming K.
Dresser Industries Inc.
Duggan Donovan F.
Lorenzen John M.
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