Patent ID: 7735927

Claim:
A vehicle seat assembly comprising: a seat portion against which a user of the seat can be positioned; and an anti-backlash gear mechanism attached to the seat portion, the anti-backlash gear mechanism including a first gear having first gear teeth; a drive motor attached to the first gear; a second gear substantially similar to the first gear and having second gear teeth; at least one spring attaching the first gear to the second gear such that the first gear teeth and the second gear teeth are adjacent to and offset from each other; and a third gear having third gear teeth mating with said first teeth and said second teeth, the third gear attached to the seat portion; wherein the at least one spring biases the second gear teeth against the third gear teeth; wherein the seat portion includes a front portion and a rear portion, and wherein the anti-backlash gear mechanism is a first anti-backlash gear mechanism and is directly attached to the front portion of the seat portion, and said seat assembly further comprising: a second anti-backlash gear mechanism directly attached to the rear portion of the seat portion, the second anti-backlash gear mechanism including: a fourth gear having fourth gear teeth; a second drive motor attached to the fourth gear; a fifth gear substantially similar to the fourth gear and having fifth gear teeth; at least one spring for the second anti-backlash gear mechanism attaching the fourth gear to the fifth gear such that the fourth gear teeth and the fifth gear teeth are adjacent to and offset from each other; a sixth gear having sixth gear teeth mating with said fourth teeth and said fifth teeth, the sixth gear attached to the seat portion; and wherein the at least one spring for the second anti-backlash gear mechanism biases the fifth gear teeth against the sixth gear teeth; and a first bracket connected to the third gear of the first anti-backlash gear mechanism via a link member.