US 12,243,695 B2
Load break assembly
David Adelbert Rhein, Birmingham, AL (US); Ian Charles Klein, Birmingham, AL (US); and Jacob Blake, Leeds, AL (US)
Assigned to Hubbell Incorporated, Shelton, CT (US)
Filed by Hubbell Incorporated, Shelton, CT (US)
Filed on Jan. 6, 2023, as Appl. No. 18/094,009.
Claims priority of provisional application 63/297,475, filed on Jan. 7, 2022.
Prior Publication US 2023/0223209 A1, Jul. 13, 2023
Int. Cl. H01H 3/38 (2006.01); H01H 1/14 (2006.01)
CPC H01H 3/38 (2013.01) [H01H 1/14 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A load break tool for opening a high load electrical switch having a first switch contact and a second switch contact, the load break tool comprising:
a main body extending along a longitudinal axis between a first end and a second end, the main body being movable between an extended configuration and a retracted configuration;
a first contact coupled to the first end and configured to selectively couple with the first switch contact;
a second contact coupled to the second end and configured to selectively couple with the second switch contact, wherein in the retracted configuration the first contact is in electrical communication with the second contact; and
a spring assembly mounted in the main body for biasing the main body to the retracted configuration, the spring assembly including a compression spring,
wherein the main body includes an outer tube with the first contact, an inner tube slidably received in the outer tube and having the second contact, and a spring tube slidably received in the inner tube, and
wherein the compression spring is mounted in the spring tube.