The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 26, 2001
Filed:
Mar. 02, 2000
Applicant:
Inventors:
Gian Maria Pigozzi, Brescia, IT;
Augusto Caramagno, Turin, IT;
Assignee:
Iveco Fiat S.p.A., Turin, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 5/946 ;
U.S. Cl.
CPC ...
F16H 5/946 ;
Abstract
A gear change for a commercial vehicle comprising a main group defining a plurality of transmission ratios and an auxiliary group with two transmission ratios actuated by an actuator with three positions corresponding respectively to two coupling positions and one neutral position; the actuator is controlled by a control unit in response to actuating signals received by manual selectors, and it is adapted to place the auxiliary group in the neutral position if the speed of rotation of the input shaft exceeds a predetermined threshold value.