Guardrail stanchion mounted onto building frame
Patent 5573227 Issued on November 12, 1996. Estimated Expiration Date: 
June 13, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 13, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3901481 Deck apparatus Adjustable guard rail stanchion member Slab clamp guard rail post Safety guard apparatus Protective device and method of installing protective device Stanchion assembly Patent #: 5353891 InventorsApplicationNo. 489812 filed on 06/13/1995US Classes:256/65.06, Channel bracket256/59RAILExaminersPrimary: Knight, AnthonyForeign Patent References
International ClassE04G 003/12AbstractA stanchion, a row of which are to be mounted at spaced intervals along the facia board and rafters of the frame of a building under construction. Stanchions support guardrails which are nailed through slots in rail holders on the stanchions, to provide a fall protection system for workers on the roof under construction. The bracket part of each stanchion is attached to the facia board and also to a rafter of the building frame, thus spreading the force caused by a falling person or large object between both facia and rafters, providing maximum strength. The vertical post and the rails stand out from the edge of the roof, and therefore in no way interfere with the complete roofing process, including sheathing, gutter apron or de-edging, tar papering, and all shingling. Siding operation can also be done while the stanchions are in place. | |
