Semitrailer sliding tandem pin puller

Details Semitrailer sliding tandem pin puller Semitrailer sliding tandem pin puller

1993-07-26

1994-07-05

Kramer, Dean J.

Handling: hand and hoist-line implements

Hand bars and hand barrows

Ball retriever

2483161, B25B 514

Patent

active

053261445

ABSTRACT:
A pin puller, comprising a spring, a clamp, and a handle, which is used to pull the pins on the sliding tandem of a semitrailer. The pin puller may also be provided with a guard and a wire which has a flag on one end. When the pins are pulled, the flag will stick out so that the driver can see the flag emerge beyond the side of the semitrailer.

REFERENCES:
patent: 357562 (1887-02-01), Snyder
patent: 688230 (1901-12-01), Isgrig et al.
patent: 916858 (1909-03-01), Geisking
patent: 1503083 (1924-07-01), Amey et al.
patent: 1874447 (1932-08-01), Clark
patent: 2658703 (1953-11-01), Brink et al.
patent: 3644951 (1972-02-01), Colburn
patent: 3843981 (1974-10-01), Verest
patent: 4050107 (1977-09-01), Parma
patent: 4776361 (1988-10-01), Staton
patent: 5060995 (1991-10-01), Goldstein et al.

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