Hanger clip for suspended ceilings

Claim 1

In a hanger clip construction for use with Tee bars of suspended ceiling constructions having a longitudinal axis wherein the Tee bar includes a horizontally disposed head which terminates laterally in opposed edges and upwardly in a substantially flat top, the combination of A. a left arm including a first upper inclined section, 1. said left arm inclined section terminating upwardly in an integral vertical, left upper portion, 2. said left upper portion contacting one of the edges of the Tee bar head, 3. said left upper portion terminating upwardly in a first inwardly bent flange, 4. said first flange having a first downwardly facing bottom surface, 5. the said first bottom surface contacting the top of the Tee bar head, 6. said first upper inclined section terminating downwardly in a hanger portion, a. said hanger portion being vertically aligned, b. said hanger portion being provided with a hole for attaching objects to be hung; B. a right arm including a second upper inclined section which intersects the said first inclined section, 1. said second upper inclined section terminating upwardly in an integral, vertical, right upper portion, 2. said right upper portion contacting the second of the Tee bar head edges, 3. said right upper portion terminating upwardly in a second inwardly bent flange 4. said second flange lying in the same horizontal plane as the first flange, 5. said second flange having a second downwardly facing bottom surface, 6. said second bottom surface contacting the top of the Tee bar head, 7. said second upper inclined section terminating downwardly in an operating arm, a. said operating arm bending about its junction with the second upper inclined section to form an acute angle with the vertical, b. said operating arm being angularly disposed from the hanger portion by an angular displacement equal to the acute angle; C. pivotal means interconnecting the left arm and the right arm, said pivotal means including 1. a first pivot bearing pressed in the left arm, a. said first pivot bearing being positioned at the junction between the first upper inclined section and the hanger portion, 2. a second pivot bearing pressed in the right arm, a. said second pivot bearing being positioned at the junction between the second upper inclined section and the operating arm, and 3. a pivot pin inserted through the first and second pivot bearings; D. and a spring biasing the first and second inwardly bent flanges together and having a first end and a second end, 1. the fIrst end connecting to the first upper inclined section, 2. the second end connecting to the second upper inclined section whereby the left and right upper portions are urged into gripping contact with the edges of the Tee bar head and whereby the weight of the object supported by the hanger pulls the flanges into contact with the top surface of the Tee bar head.