Patent ID: 11933346
Assignee: NOKIA SOLUTIONS AND NETWORKS OY
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A fan assembly configured to engage a rack, comprising:
a fan housing including a first hole in a first flange on a front side of the fan and a second hole in a second flange on a back side of the fan housing;
a fan mounting assembly configured to engage the fan housing;
a removable shoulder screw including:
a first screw shaft portion;
a second screw shaft portion;
a threaded portion; and
a shaft edge between the first screw shaft portion and the second screw shaft portion,
wherein the second screw shaft portion is between the first screw shaft portion and the threaded portion, and
wherein a diameter of the second screw shaft portion is smaller than the diameter of the first screw shaft portion; and
a removable shoulder including a removable shoulder opening and a removable shoulder edge,
wherein the removable shoulder opening has a diameter less than the diameter of the first screw shaft portion and is configured to engage the second screw shaft portion,
wherein the removable shoulder edge is configured to engage the shaft edge,
wherein the removable shoulder screw is configured extend through the first hole and the second hole, and
wherein the removable shoulder is configured to engage the second flange.