F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
85/127
F16B 5/01 (2006.01) F16B 19/00 (2006.01)
Patent
CA 2008511
ABSTRACT A fastener, intended for fastening a sandwich panel (b) to a support (a), and comprising a headed bolt (1) having a break off tail portion, and a flanged tubular body (4) into which the main portion of the shank (3) of the bolt is pulled so as to lockingly interengage the body and set the fastener, includes a deformable tubular spacer (10) disposed on the shank (3) of the bolt (1) between the body (4) and the head (2) of the bolt (1). The spacer (10) is in the form of a sleeve having a tubular central core r and peripheral grooves (12) between which are annular fins (11). The spacer is capable of being deformed to a substantially shorter axial length by axial: compression under substantially constant predetermined load. When the fastener is installed and set in work of less: than the maximum thickness intended for the fastener, the spacer (10) is deformed by axial compression between the body; (4) and the bolt (1), and relieves the work of the need to bear substantially all of the load required to lockingly interengage the bolt (1) and the body (4), and break the tall portion from the main portion of the bolt (1). Figure 3. P.340
Avdel Systems Limited
Ridout & Maybee Llp
LandOfFree
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