Abstract: Improved connections of preformed concrete construction elements wherein one or more metal pins, of any preferred cross-sectional shape, are cast in place, or grouted, extending into each of two elements to be connected, with an elastic grommet disposed between a portion of each pin, in an area on each pin nearest the joint, and the surrounding concrete or grout, whereby the load transfer capacity of the connection is increased about threefold.

Abstract: A vehicle lock for releasably locking an engine block of a motor vehicle to an abutting transmission wherein the transmission housing has a plurality of bolt holes disposed in the peripheral portion thereof and the engine block has a plurality of registered bolt holes in marginal flanges integral with the engine block. A bolt having a head portion on one end and a threaded portion on its other end is received in one of said engine block and transmission housing registered bolt holes and has a length projecting therefrom. The projecting threaded end of the bolt is inserted into an aperture in the closed bottom end of a cup member that has an upwardly extending cylindrical wall and an open top. A nut is threadably received on the threaded end portion of the bolt and the nut is disposed within the cup member and spaced from its open end. Spaced inwardly from the open end of the cup are a pair of opposed apertures and a shackle of a padlock passes therethrough them.