Trailer sensor for railroad hitch

Details Trailer sensor for railroad hitch Trailer sensor for railroad hitch

B - Operations, Transporting

61

D

B61D 3/18 (2006.01) B61D 45/00 (2006.01)

Patent

CA 2050085

Abstract of the Disclosure: A trailer sensor (83) for use on a retractable railcar trailer hitch (1) is disclosed. The hitch has a hitch head (3) for capturing a kingpin (K) of a trailer (T), a locking mechanism (35) for latching the hitch in its erect position, and a manually operable release mechanism (67) for retracting the hitch. A movable sensing element (85) carried on the hitch head senses the presence or absence of a trailer. A rod (93) moves the sensing element in response to operation of the release mechanism. If a trailer is supported by the hitch, the assembly blocks movement of the sensor and prevents retraction of the hitch. If no trailer is supported by the hitch, the sensing element allows the release mechanism to unlock the hitch so it can retract.

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