Veeder Industries, Inc.

Paul L Kennedy

Dominick Anthony Pirro

An improved counter assembly comprises an electrically operable counter module insert, a transparent viewing crystal, and an outer box-like case which are held together by an improved mechanical arrangement. The outer case is provided with inwardly projecting abutments engageable by the counter module insert for aligning the insert within the case. The counter module insert includes a pair of laterally spaced rearwardly facing shoulders at its front end, and the crystal includes a pair of laterally spaced rearwardly projecting retention fingers engageable with the shoulders of the module insert for retaining the case, crystal and module insert in an assembled relationship. The improved construction provides increased resistance to tampering.

Counter assembly

A vehicle transmission mounted pulse generator module having a through drive shaft for driving a conventional speedometer cable, a rotor permanent magnet driven by the shaft with predetermined angular freedom therebetween for magnetically indexing the rotor magnet for useable signal generation at low speeds and a coaxial pickup coil assembly encircling the shaft and axially offset from the rotor magnet and compactly mounted with the rotor magnet within a housing sleeve inserted within a transmission housing bore to be driven for generating a pulse for each predetermined increment of travel of the associated vehicle.

Rotary pulse generator

A transmission mounted speedometer pulse generator module having a permanent magnet rotor and coaxial pickup coil assembly axially offset therefrom and together compactly mounted within a housing sleeve inserted within a transmission housing bore to be driven for generating a pulse for each predetermined increment of travel of the associated vehicle.

A low cost resettable counting mechanism comprising an electromagnetic indexing mechanism and a counter stepped by the indexing mechanism having three-piece higher order number wheels with respective unitary molded plastic reset and drive pawl members for connecting the number wheels for counting and resetting purposes. A detent arm integrally formed with the number wheel shaft engages a recess in the counter viewing crystal to hold the countershaft against rotation during counting and the counter shaft is manually rotatable for resetting the higher order number wheels. A clapper and plastic verge of the indexing mechanism interfit to retain them in assembled relationship.

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Meriden, CT, United States of America

Paul L Kennedy