Interference No. 104,186
Final Judgmen
The invention at issue in this interference relates to a universal joint device for
interconnecting the handle and socket portions of a socket wrench. The subject matter
in issue is illustrated by count 2 as follows:
Count 2.
A universal joint device for a socket wrench, comprising:
a handle portion having a forked end member and a first spring
retaining recess;
a socket portion having a forked end member and a second spring
retaining recess;
an intermediate swivel block;
means for providing a first pivotal connection of the forked end
member of said handle portion to said swivel block,
and means for providing a second pivotal connection of the forked
end member of said socket portion to said swivel block, such that the axes
of said first and second pivotal connections are at substantially right
angles to each other; and
a spring concentric with and encircling said swivel block, said
spring being mounted in said handle portion and said socket portion by
engagement with said first and second spring retaining recesses so as to
retain said spring in both tension and compression, said spring being a
coil spring having a spring projection at each end thereof which extends
radially inward relative to the main central portion of the spring, and with a
spring projection mounted in each of said spring retaining recesses, each
of said spring retaining recesses being constructed with inner and outer
walls which define the inner and outer boundaries of said recesses within
the respective handle portion and socket portion, said inner and outer
walls being perpendicular to the longitudinal axis of said device in the
unflexed position of said device.
2
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