Joints and connections – Interfitted members with external bridging piece
Patent
1975-08-28
1977-01-11
Spar, Robert J.
Joints and connections
Interfitted members with external bridging piece
214750, 403328, B66F 914
Patent
active
040022560
ABSTRACT:
The invention is concerned with an improvement in a carriage-fork assembly. The assembly includes a carriage attachable to a lift truck, the carriage including a plurality of notches along an upper edge thereof. The assembly also includes a plurality of forks, the forks each including a first arm extending generally perpendicularly forwardly from the carriage, a second arm extending upwardly from an end of the first arm adjacent and parallel to the carriage to adjacent the upper edge thereof and a member extending from the first arm over the upper edge and downwardly behind the carriage, the member including a guide sleeve extending upwardly over the upper edge and a bore coaxial with the guide sleeve and extending through the member. Also part of the assembly is a lock rod slidably fitting within the guide sleeve and the bore. A spring is provided for biasing the lock rod downwardly to impel a lower end thereof into the notches. The structure is such that the lock rod can be maintained in a fixed position against the spring with the lower end removed from the notches. The improvement includes a cap affixed over an upper end of the lock rod, the cap has a top and a skirt extending downwardly about the lock rod, an inner surface of the skirt fitting slidingly about an outer surface of the upwardly extending portion of the guide sleeve.
REFERENCES:
patent: 649444 (1900-05-01), Good
patent: 657468 (1900-09-01), Taylor
patent: 1834909 (1931-12-01), Wilson
patent: 2668602 (1954-02-01), Cushman
patent: 2975924 (1961-03-01), Kopanski
patent: 3027033 (1962-03-01), Schuster
Oresky Lawrence J.
Spar Robert J.
Towmotor Corporation
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