Apical Industries, Inc.

Sven Emil Andersson

Nicholas Philip Caponera

A frangible fastener system configured to secure a second retained member to a first retained member until the frangible fastener system receives a breaking force is described. The frangible fastener system comprises a first fastener and a second fastener. The first fastener comprises a flange configured to cause retention of the first retained member toward a base member. The first fastener is configured to engage the base member and to receive the second fastener along a first axis of the frangible faster system. The second fastener comprises a frangible portion configured to separate responsive to receiving the breaking force, and a head portion connected to the frangible portion. The head portion is configured to cause retention of the second retained member toward the first retained member until the frangible portion separates responsive to receiving the breaking force.

Frangible fastener system

This disclosure relates to a frangible fastener configured such that a first end of the fastener separates from a second end of the fastener responsive to a breaking force. The fastener may comprise a head portion, a frangible portion, a tool engagement portion, a threaded portion, and/or other portions. The frangible portion may include a frangible body. The frangible body may form a plurality of through wall cuts. The frangible portion may be configured such that the breaking force is proportional to a quantity of through wall cuts, a cross sectional area of through wall cuts, and/or a shape of through wall cuts. The frangible portion may be configured such that the breaking force is proportional to a wall thickness of the frangible body. The location of the tool engagement portion may minimize and/or eliminate torsional loading of the frangible portion during tightening with a tightening tool.

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Oceanside, CA, United States of America

Sven Emil Andersson