Patent ID: 7275335

Claim:
A tram gauge assembly comprising: a) a first tram bar having a first height rod positioned thereon; b) a second tram bar slidably connected to said first tram bar; c) a housing for an interface unit selectively positionable about said second tram bar; d) a second height rod slidably receivable by said housing of said interface unit, said interface unit comprising: i. a microcontroller; ii. a first sensor and a second sensor for providing input to said microcontroller relating to a distance between said first height rod and said second height rod; iii. a third sensor for providing input to said microcontroller relating to a height of said second height rod; iv. a fourth sensor for providing input to said microcontroller relating to an incline of said tram gauge assembly; v. a digital display capable of providing an output from said microcontroller relating to the incline of said tram gauge assembly relative to a user defined reference plane.