| 摘要 |
1,046,144. Switch cases. BROWN BOVERI & CO. Ltd. Jan. 28, 1965 [Oct. 23, 1964], No. 3888/65. Heading H2B. In a low voltage heavy duty multi-pole switch the contact assembly for each pole forms a structural unit, such as 5, which is supported on a tubular frame member 8 by means of adjustable bolts 9 and 10 which slidingly engage (Fig. 3, not shown) and is fixed to an angle frame member 4 by a single screw 20, acting via a wedge 24 (Figs. 4, and 5, not shown). Abutments 23 on each pole unit and screws 21 and 22 on the main frame (Fig. 2, not shown) locate the units in a direction perpendicular to Fig. 1 (not shown). |
