Encapsulation or holder for quartz spears esp. for stabilizing vehicle computer, has inner wall of chamber provided with annular ridge pressing on outer surface of quartz spear

摘要

An encapsulation for spears of quartz includes a housing for a quartz ball (2). The housing has at least one chamber (11) for the quartz spear, on the inner wall of which is provided an annular ridge/rib, whose inner diameter is smaller than the outer diameter of the quartz ball (2), so that when the quartz ball is received into the chamber (11), the ring-shaped ridge (12) presses on the outer surface of the ball (2).