| 摘要 |
<p>557,332. Distribution boards; two-part couplings. DRAKE & GORHAM, Ltd., and NEWELL, J. May 13, 1942, No. 6487. [Class 38 (i)] Conductors 2 ... 5 carried on transverse supports in a trunking 1 as described in Specification 553,607 are secured on the supports at the points where a tapping is required by conductive members 6 that engage both sides of the conductor and also form spring contacts 13 into which blades 15 on a tapping box 16 enter. The members 6 are mounted on the transverse support or cross-bar 7 and insulated by a sleeve 10, metal spacers 11 being fitted between the limbs which are held in place by sleeves 17. The conductors 2 ... are retained in position by bosses 14 on the members 6. The tapping box 16 is secured to the trunking 1 by screws 20 having wing heads co-operating with brackets 21. Earthing contacts 22 engage the screws.</p> |
