Single retainer mounted riser
AssigneeComau S.p.A.
InventorsVelibor Kilibarda, Michael R. Dugas, William T. Maybee, Hans Nikesch
Life of this patent
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Abstract
A fastening device and method for mounting equipment to a framing member. The invention includes a single breakaway fastener that is pretentioned using a biasing member to fracture on a predetermined force applied to the fastened joint to avoid damage to the secured equipment. In one example the device and method includes the fastener having a reduced diameter portion that is positioned between an annular plate and the framing member.
Claims10
1-12. (canceled)
A method of pre-tensioning a breakaway fastener assembly for use in connecting a tooling member to an assembly device, the fastener assembly including a breakaway fastener, an upper and a lower annular plate positioned axially apart, a compression fastener and a compression spring member, the method comprising the steps of:
- positioning the spring member between the upper and the lower plates;
- axially positioning the compression fastener through a bore in one of the upper or lower annular plates and removeably engaging the compression fastener in the other of the upper and the lower annular plate;
- axially compressing the spring member through advancing axial engagement of the compression fastener with the respective annular plate;
- and
- axially positioning the breakaway fastener through axially aligned bores in the upper and lower annular plates and in abutting axial engagement with the spring member.
Dependencies are inferred from the claim text.