Northern Telecom Limited

Kenneth Roy Perry

Alexander F Campbell

A lockable band clamp, such as clamping together the rims of a housing and a base of an equipment housing, has a flexible band with Vee-shaped portions for positioning around the rims, the rims positioned in the Vee-shaped portions. The ends of the band have end members through which passes a bolt, a tubular member threading on to the bolt. Relative rotation between bolt and tubular member acts to pull the end members together and tighten the band about the rims. The end members have projections which overlap. A locking member which, in a locked position, engages at one end over a rod through the tubular member and at the other end aligns with holes in the projections whereby a padlock can pass through the holes and a formation on the locking member, preventing relative rotation between bolt and tubular member.

Lockable band clamp

A multiple contact connector, particularly suitable for attachment to printed circuit boards, is a one piece molded body with snap-in contact. From each side further recesses extend into the body, a further recess on each side of a central recess. Each center recess and its associated side recesses are connected by a transverse slot. The contacts, formed from phosphor bronze or other conducting material, are generally Tee shaped, having a stem positioned in the central recess and laterally extending arms passing through the slots and having enlarged ends which are positioned in the side recesses. The end of the stem is formed into spring contact portions to receive male contacts. The extreme ends of the laterally extending arms are formed into contacts which enter holes in the printed circuit board. A small web at an inner corner of each side recess acts to retain the contact in the body, the laterally extending arms clipping under the webs.

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Ottawa, Canada

Kenneth Roy Perry