Patent ID: 7146731

Claim:
A leaf spring element having a first lateral portion, a second lateral portion and a central portion acting as a spring and located between the first lateral portion and the second lateral portion, each of the first and second lateral portions having a substantially rectangular shape and comprising a slanted leg, each slanted leg comprising a first leg portion and a second leg portion, the first leg portion substantially lying in a first plane, the second leg portion substantially lying on a second plane different from the first plane, the second leg portion ending with a hollow section, each of the first and second lateral portions comprising a first corner substantially facing the central portion; the central portion being a bent central portion having a substantially trapezoidal shape and having a first slanted edge and a second slanted edge; the leaf spring element further comprising first and second cut sections separating the central portion from the first and second lateral portions respectively, each of the first and second cut sections having a distal end and a proximate end, the distal end being located between the first or second slanted edge and the first corner of the first and second lateral portions.