Support extension for stage apparatus
Patent 7021814 Issued on April 4, 2006. Estimated Expiration Date: 
October 23, 2023. 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.
October 23, 2023. 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 419611 2099116 2859710 Vehicle article carrier Adjustable mounting, and securing and fastening assembly with channel bar Slidable bracket for luggage rack Channel clamp Instrument fastening system Support assembly for a shelf or like structure Support systems with improved channel nuts InventorApplicationNo. 10692557 filed on 10/23/2003US Classes:362/650, Threaded (e.g., Edison type)248/222.11, Resilient catch or latch248/222.52, Bracket and mount interlocked by rotational motion294/103.1, Fixed and moveable jaw248/502, Hollow leg entering224/324, Carrier having article retaining means248/245, Clamping24/458, For cooperating with aperture in supporting structure or structure-to-be-secured248/223.41, One interengaging portion includes groove52/36.4, Component having specific attachment for an article comprising a horizontal, planar surface (e.g., shelf, bed)211/105.2, Curved or angular end type248/225.11, Bracket interengaging portion includes open slot411/84, Prefabricated assembly comprising strip or sheet member carrying plural, similar fasteners248/221.11, Including latch, retainer, or keeper on bracket84/421, Supports410/7, Vehicle retainer*410/104, Track-guided anchor211/105.1Single horizontal rod typeExaminersPrimary: Olszewski, Robert P.Assistant: Sterling, Amy J. International ClassH01R 33/00AbstractThere is disclosed a support extension for mounting stage equipment. The support extension may be attached to a rail. The support extension may include a body and a bolt. The bolt fits into a channel in the rail. The support extension may be quickly easily attached to and removed from the rail by rotating or otherwise engaging the support extension.Other References
Field of SearchBracket and mount interlocked by rotational motionLatch, retainer, or keeper is threaded member (i.e., set screw or locknut) One interengaging portion includes groove Groove longitudinally stepped or tapered Interior sidewalls of groove stepped or tapered (i.e., laterally) Bracket interengaging portion includes open slot Carrier having article retaining means Track lighting Turn to engage Threaded (e.g., Edison type) Push to engage | |
