(under subclass 52) Wrench including two spaced work engaging portions, one of which comprises a projection or recess which is adapted to engage a cooperating recess or projection, respectively, on the peripheral or an end face of the work.
(1) Note. The flats and corners of a common bolt head or nut are not considered to be "projections or recesses" as required by this definition.
(2) Note. Tools provided with two spaced projections which are adapted to be inserted into corresponding recesses specifically provided in the end face of the work are provided for above in subclasses 461+.
SEE OR SEARCH THIS CLASS, SUBCLASS:
461, for a screwdriver or wrench having plural spaced projections provided on engagement with a corresponding recess provided in an end face of the work and for applying a torque thereto.
