Appeal No. 2003-0265 Page 5
Application No. 09/105,150
used in combination with other elements, it will accept lead wires or secondary
conductors and removably retain same in direct contact with the material of the bus bar.
Figure 1 is a perspective view of one embodiment of Crowther's invention, while Figure
2 is a partial sectional view taken along the longitudinal axis of the embodiment shown
in Figure 1 and illustrating the use of the connector when the secondary conducting
wires accommodated in the connector are of dissimilar diameters.
Referring now to the drawings, a connector 10 includes a base 12, a clamp 14
and a rotary threaded fastener or screw 16. The base 12 is an electrically conductive
member and can be a member of substantial cross-section of the type generally known
in the trade as a bus bar. The base 12 has a threaded aperture 18. Spaced apart
along the longitudinal axis of the base 12 on opposite sides of aperture 18 are a pair of
transverse slots 20. Telescopically associated with threaded aperture 18 is the rotary
threaded fastener or screw 16. Screw 16 has suitable driving means such as a slot or
knurls on its head. The shank of the screw has an unthreaded portion 24 and a
threaded portion 26 extending to the free extremity of the screw. The clamp 14
includes a centrally aperture central section 28 and a pair of arms 30 extending
outwardly and downwardly from opposite sides of the central section 28 and are
adapted to be accommodated within the slots 20. In the operation of Crowther's
device, one or more wires 34 can be inserted in the passageway formed between the
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