Electricity: conductors and insulators – Overhead – Ground clamps and cable clips
Reexamination Certificate
1998-09-14
2001-03-06
Kincaid, Kristine (Department: 2831)
Electricity: conductors and insulators
Overhead
Ground clamps and cable clips
C174S145000, C174S168000, C024S455000, C024S326000, C248S049000
Reexamination Certificate
active
06198042
ABSTRACT:
FIELD OF THE INVENTION
This invention relates to suspension clamps for clamping elongate flexible members, for example, cables. In the context of this specification the term cables should be interpreted as including among other things power cables, optical cables, ropes, and wires.
BACKGROUND OF THE INVENTION
Overhead power and/or communication cables are often clamped whilst in suspension. It is preferable that such clamps can be released as quickly as possible for installation and maintenance purposes.
The clamping forces applied to cables such as fibre optic cables should be sufficient to clamp the cables without causing mechanical damage. Suspension clamps should also cater for cables of different sizes.
SUMMARY OF THE INVENTION
The present invention provides a suspension clamp for elongate flexible members such as, for example, cables, the clamp comprising:
i) a saddle in which the elongate flexible member may sit,
ii) a mounting to support the saddle with respect to a fixture,
iii) a closure latch to restrain the elongate flexible member in the saddle
iv) a resilient member mounted to the closure latch and having a bottom face adapted to clamp an elongate flexible member positioned within the saddle when the closure latch is closed.
According to a further aspect of the present invention there is provided a suspension clamp as aforesaid wherein the closure latch is pivoted at a first side of the saddle.
According to yet another aspect of the present invention there is provided a suspension clamp as aforesaid wherein a free end of the closure latch is a snap-fit with a second side of the saddle.
According to yet another aspect of the present invention there are a plurality of closure latches.
According to yet another aspect of the present invention there are a plurality of resilient members.
According to yet a further aspect of the present invention there is provided a suspension clamp as aforesaid wherein the resilient member is mounted as a sliding fit with respect to the closure latch.
According to yet a further aspect of the present invention the mounting comprises one or more ringlets.
According to yet a further aspect of the present invention the mounting comprises one or more brackets
According to vet a further aspect of the present invention there is provided a suspension clamp wherein the upper surface of the saddle which provides support for the elongate flexible member is generally arcuate.
According to yet a further aspect of the present invention there is provided a suspension clamp where the lower surface of the resilient member which clamps the elongate flexible member is generally arcuate.
Further aspects of the present invention will become apparent from the ensuing description which is given by way of example only and with reference to the accompany drawings in which:
REFERENCES:
patent: D. 217117 (1970-04-01), Gordon
patent: 1928622 (1933-10-01), Hendee
patent: 3155354 (1964-11-01), Lindsey
patent: 3161721 (1964-12-01), Torr
patent: 3182938 (1965-05-01), Gibbon
patent: 3383739 (1968-05-01), Pitzel
patent: 4568794 (1986-02-01), Kumamoto et al.
patent: 0255030 (1988-02-01), None
patent: 2569912 (1986-03-01), None
patent: 2708800 (1995-02-01), None
patent: 122376 (1967-01-01), None
patent: WO 94/26012 (1994-11-01), None
patent: WO 97/07579 (1997-02-01), None
International Search Report dated Jun. 27,1997 (6 pages).
Globerman Kyle M.
Kincaid Kristine
Kirkpatrick & Stockton LLP
Nino Adolfo
Russell Dean W.
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