Anti-tamper lock guard

Improvements for means temporarily rendered inseparable by a lock comprising adjacent lugs on said means adapted to be locked together, a guard for a lock consisting of a housing having a lock-receiving compartment bounded by a circular side wall, said side wall having opposite outer and inner edges, said outer edge bounding an opening into said lock-receiving compartment and said inner edge having an in-turned flange forming a partial closure for said lock-receiving compartment, said flange having a central opening sized to receive in projected relation therethrough said lugs, said guard having an operative position with said lugs projected into said lock-receiving compartment through said flange opening and a degree of rotative movement about said lugs, a lock having a face with a lug-receiving compartment therein, said lock having a circular shape sized to fit within said lock-receiving compartment and presenting a peripheral edge in adjacent position to a surface bounding said lock-receiving compartment, said lock having an operative position disposed within said guard lock-receiving compartment with said lugs projected within said lock lug-receiving compartment and adapted to be engaged by said lock such that said lock is inadvertently held stationary by said lugs and rendered vulnerable to twisting removal therefrom but without impeding said guard from partaking of rotative movement about said stationary-held lock, and said peripheral edge of said stationary-held lock having an operative position immediately forward of said guard in-turned flange so as to prevent removal of said guard from an encircling position about said lock, whereby said guard circular side wall is in an interposed position between said lock and a tampering tool attempted to be applied externally to said lock and any rotative movement using said tampering tool merely causes harmless rotation of said guard rather than a forced rotative movement of said stationary-held lock.