Chord protector

Details Chord protector Chord protector

1995-02-10

1997-08-12

Merritt, Karen B.

Traversing hoists

Boom or mast

212177, 5271704, 5271701, 52DIG13, B66C 2362

Patent

active

056556764

ABSTRACT:
A chord protector employs a resilient covering affixed to an appropriate crane element, extension, lattice structure or headache ball, to protect a chord from damage during a collision with a headache ball or other weighty object. The chord protector can be constructed of a variety of materials. In one embodiment, the chord protector is constructed of high-impact plastic, and lined with an elastomeric or rubber material which in turn is fastened to a chord of the lattice section using a disengagable hook and loop fastener. Another embodiment includes an elastomeric covering on the headache ball.

REFERENCES:
patent: 817862 (1906-04-01), Mitchell
patent: 3092259 (1963-06-01), Swanson
patent: 3392498 (1968-07-01), Rogers
patent: 3934385 (1976-01-01), Paulus et al.
patent: 4003475 (1977-01-01), Brolin
patent: 4259812 (1981-04-01), Adell
patent: 4280628 (1981-07-01), Goss et al.
patent: 4646907 (1987-03-01), Strebig et al.

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