Electrical transmission or interconnection systems – Switching systems – Condition responsive
Patent
1984-10-04
1987-07-28
Shoop, Jr., William M.
Electrical transmission or interconnection systems
Switching systems
Condition responsive
307116, 361179, 361181, 192130, 192129R, H01H 4700
Patent
active
046833811
ABSTRACT:
In a controlled-access apparatus for agricultural food industries, means is provided within the space located between the rotary tool-holder and the edge of the opening of the vessel of the apparatus for a protection and access-control device which performs a double function, namely that of protecting the user against accidental bodily injuries and that of allowing penetration of/or access to agricultural food products or ingredients, utensils or instruments having predetermined characteristics such as zero electrical conductivity and nonmagnetic properties.
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Tool and Production, vol. 38-No.-Apr. 1972-p. 78-US "Product News".
Ets. Bonnet
Ip Shik Luen Paul
Shoop Jr. William M.
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