F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
85/115
F16B 39/28 (2006.01) F16B 23/00 (2006.01) F16B 37/12 (2006.01) F16B 39/284 (2006.01)
Patent
CA 1297709
ABSTRACT OF THE DISCLOSURE A laminated nut comprising a plurality of conical spring disc washers and a cage for receiving and holding the disc washers in a stacked, aligned relationship to define a central opening threaded to be matably received upon an associated threaded bolt, including protrusion means extending radially, outwardly from the cage to inhibit gripping of the nut by a wrenching tool at one axial end whereby the nut will only be threaded onto the bolt by the wrenching tool beginning with the opposite end of said nut.
553589
Macrae & Co.
Pac-Fasteners
LandOfFree
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