Patent 11124951 was granted and assigned to Caterpillar Inc. on September, 2021 by the United States Patent and Trademark Office.
A spring includes a first spring arm extending from the first side edge of the flat base, the first spring arm including a first arcuate portion extending from the flat base, a first straight portion extending from the first arcuate portion and disposed proximate to the rear face, the first straight portion defining a first obtuse angle with the rear face, and a first straight portion length.