Lifting jack for railroad car platform

Details Lifting jack for railroad car platform Lifting jack for railroad car platform

1992-06-22

1993-04-06

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Single throw lever and bar

Sliding bar

B66F 300

Patent

active

051996871

ABSTRACT:
Generally there is provide herein a manually operated jack for lifting a platform within a railroad car. The device employs a two part telescoping support with a lever member pivotally connected to the lower part. One end of the lever extends for manual operation and the other end is connected to the upper part of the support by a link.

REFERENCES:
patent: 24202 (1859-05-01), Durant
patent: 202197 (1878-04-01), Sherman
patent: 211891 (1879-02-01), Dinsmore
patent: 287625 (1883-10-01), Church
patent: 676977 (1901-06-01), Bredehoft
patent: 1405875 (1922-02-01), Strange
patent: 2332240 (1943-10-01), Lavalley
patent: 3131928 (1964-05-01), Whipple

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