Sliding axle alarm

Details Sliding axle alarm Sliding axle alarm

2006-10-24

2006-10-24

Mullen, Thomas (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

For trailer

C340S426320, C340S679000, C070S174000, C070S226000, C303S191000, C303S198000

Reexamination Certificate

active

07126458

ABSTRACT:
An alarm system that indicates to an operator the status of locking pins of a vehicle sliding axle assembly. The alarm system includes an alarm valve coupled to the locking pins and in fluid communication with an alarm. When the pins are unlocked from a vehicle component, the alarm valve is configured in an alarm mode to indicate the unsecured condition of the assembly. In this mode, air is diverted from the vehicle brakes to sound the alarm, thereby informing an operator that the pins are improperly engaged. In one embodiment, the alarm valve is in communication with or includes a pressure relief valve, which diverts a sufficient amount of air from the vehicle brakes so that the brakes cannot be released. When the pins are properly locked to secure the slider axle assembly, the alarm valve does not divert air from the brakes to sound the alarm.

REFERENCES:
patent: 5161579 (1992-11-01), Anderson, Jr.
patent: 5232234 (1993-08-01), McCombs
patent: 5314201 (1994-05-01), Wessels
patent: 5451069 (1995-09-01), Schueman
patent: 5716071 (1998-02-01), Stanley et al.
patent: 6384716 (2002-05-01), Eckelberry

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