(under subclass 202) Insulators in which the pin, or some insulator contacting part thereof, is of soft or yielding material.
(1) Note. Wood pins when used because of their yielding
character are here.
(2) Note. These devices are for the most part to prevent excessive mechanical stresses in the insulator due to differential expansion between the pin and insulator.
(3) Note. For soft or yielding structures of the kind above provided for, see the appropriate structural group of this class, particularly subclasses 200, 203, and 204.