Electricity: conductors and insulators – Overhead – With conductor vibration damping means
Patent
1979-05-29
1980-12-30
Askin, Laramie E.
Electricity: conductors and insulators
Overhead
With conductor vibration damping means
174146, H02G 714, H02G 712
Patent
active
042425379
ABSTRACT:
A spacer damper for transmission line cables is disclosed comprising a substantially planar frame and a plurality of clamping arms each resiliently pivotally connected at its proximal end to the frame and provided at its distal end with clamping means for respectively grasping individual conductors. The frame is of rigid one-piece construction and provided at each region of pivotal connection with a recessed portion into which at least the proximal end of the arm extends so as to lie substantially in the plane of the frame. A locking bolt fixed with respect to the frame and extending through the recessed portion and through the proximal end of the arm is provided to define an axis of hinged part rotation for the arm. Each arm is resiliently pivotally connected to the frame by a pair of spaced resilient energy absorbing elements located on either side of the arm to be traversed by the bolt and lockingly engaged with recesses formed in the arm. Each recessed portion of the frame is provided with at least one end cap, itself provided with a recess for lockingly engaging one of the elements, the end cap being rigidly secured to the frame by the locking bolt so as to straddle the recessed portion, hold the elements in compression and thereby secure the arm for resilient hinged part rotation relative to the frame.
REFERENCES:
patent: 3784723 (1974-01-01), Cantamessa
patent: 3885086 (1975-05-01), Houston et al.
patent: 3979553 (1976-09-01), Smart
Askin Laramie E.
Dulmison (Australia) Pty. Ltd.
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