SCREW CLAMP FOR CLAMPING JUNCTIONS Russian patent published in 1994 - IPC

FIELD: mechanical engineering. SUBSTANCE: clamp has two double-arm lever which are pivotally interconnected and coupled with a spring. A threaded opening of the first lever is provided with a bushing which is unscrewed under the action of an axial force. A threaded opening of the bushing is provided with a screw abutted upon the second lever. The screw is unscrewed under the action of an axial load. The first lever is provided with a twisting spring secured to the bushing. Axis of the spring is coincident with the axis of the screw. The bushing is provided with an arrester of rotation which interacts with a spring-loaded catch mounted on the first lever. It is enough to push on the catch for quick opening of the clamp. EFFECT: enhanced reliability. 7 dwg