US 11,299,375 B2Granted

Modular crane component system

OwnerJeffrey D. Thompsoninventor

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Abstract

There is provided a method of installing spiral hangers about a messenger line installed between first and second utility poles with a cable being lashed to the messenger line with a lashing wire. The method includes attaching a first and second spiral hangers to the messenger line between first and second utility poles with the first spiral hanger disposed about the messenger line and the cable. The method includes removing the lashing wire from being around the messenger line and the cable adjacent the second spiral hanger. The method includes moving the second spiral hanger towards the second utility pole. The method includes attaching a successive spiral hanger to the messenger line between the spiral hangers and repeating the moving of the second spiral hanger and attaching another successive spiral hanger.

Claims17

Dependent claims

An overhead modular crane system comprising:

a main track having opposing track ends, the main track including:
at least two elongate track sections, each of the track sections being endwise connectable to an abutting track section, the track sections being endwise connected to each other and defining a track joint thereat;
a stiffener passage extending between the track ends and through each of the track sections;
and
a track channel extending between the track ends and through each of the track sections, the track channel being open away from the stiffener passage;
and
a top cord stiffener having opposing stiffener ends, the top cord stiffener being disposed in and through the stiffener passage, the stiffener ends being respectively aligned with the track ends, the top cord stiffener including at least three elongate stiffener sections, each of the stiffener sections being endwise connectable to an abutting stiffener section, the stiffener sections being endwise connected to each other and defining stiffener joints thereat, none of the stiffener joints being aligned with the track joint.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/457,288Filed 28 Jun 2019 · us provisional application
Priority: 18 Dec 2018
Published: US 2020/0189886 A118 Jun 2020
Granted: 12 Apr 2022
Term ends: Not estimatedThe source records don’t support an estimate.

Classification7 codes

B66C 5/02
Base supporting structures with legs: fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or…
B66C 19/02
Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries: collapsible
B66C 7/02
Runways, tracks or trackways for trolleys or cranes: for underhung trolleys or cranes
B66C 11/04
With operating gear or operator's cabin suspended, or laterally offset, from runway or track: underhung trolleys

Family

Application62/781,360Us provisional application · filed 18 Dec 2018
US 2020/0189886 A1Pre-grant publication · published 18 Jun 2020
US 11,299,375 B2This patent

From the US filing history. Foreign family members aren’t listed.

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