Patent ID: 8225633

Claim:
A fob assembly comprising: a housing; a mechanical key including a key holder for rotation about the housing, wherein the key holder includes first and second sides positioned opposite to each other and the key holder defines an opening extending between the sides for defining a pivot axis; a spring cover coupled to the key holder to rotate with the key holder; a spring positioned within the opening and coupled to the spring cover; a button coupled to the spring and being arranged to lock the key holder to prevent rotation of the key holder, the button to unlock the key holder in response to a force such that the key holder and the spring cover rotate about the pivot axis independent of the button; and a first holder projection and a second holder projection each being positioned within the opening, wherein the assembly defines a first receiving notch for receiving the first holder projection and a second receiving notch for receiving the second holder projection to lock the button to the key holder, and wherein the first holder projection is configured to be released from the first receiving notch and the second holder projection is configured to be released from the second receiving notch in response to the force such that the button unlocks the key holder to enable the key holder and the spring cover to rotate about the pivot axis independent of the button.