Patent ID: 11876240
Assignee: nan
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 4:
5. A portable battery pack, comprising:
a housing enclosing a plurality of batteries arranged in a circuit so as to power an electrical outlet, the electrical outlet being accessible through the housing;
a carriage disposed within the housing, the carriage configured to support the plurality of batteries and a plurality of contacts that are biased into electrical contact with the batteries: and
a support structure having a first portion and a second portion, the carriage being suspended by springs between the first portion and the second portion;
wherein the carriage is at least partially protected from impact forces that may be imparted to the housing
wherein the carriage comprises opposing end blocks, and each end block closes opposing ends of tubes;
wherein the end blocks each comprise a plurality of separately formed disks that are stacked upon one another and held together without adhesive.