using hooks, pawls, or other movable or insertable locking members (F16L37/084 takes precedence)

Child Classifications

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• F16L 37/1205 CPC only CPC only
• F16L 37/121 CPC only CPC only
• F16L 37/1215 CPC only CPC only
• F16L 37/122 CPC only CPC only
• F16L 37/1225 CPC only CPC only
• F16L 37/123 CPC only CPC only
• F16L 37/1235 CPC only CPC only
• F16L 37/124 using bolts, fixed to a flange, which are able to tilt in slots of another flange, and being maintained there by the tightening of nuts since 2000 IPC+CPC Available in IPC and CPC
• F16L 37/127 using hooks hinged about an axis since 1990 IPC+CPC Available in IPC and CPC
• F16L 37/133 using flexible hooks since 1990 IPC+CPC Available in IPC and CPC
• F16L 37/138 using an axially movable sleeve since 2000 IPC+CPC Available in IPC and CPC
• F16L 37/14 Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain +1 CPC IPC+CPC Available in IPC and CPC
• F16L 37/16 Joints tightened by the action of wedge-shaped hinged hooks IPC+CPC Available in IPC and CPC
• F16L 37/18 Joints tightened by eccentrics or rotatable cams IPC+CPC Available in IPC and CPC
• F16L 37/20 Joints tightened by toggle-action levers IPC+CPC Available in IPC and CPC