Rotatable connector for telephone transmitter
Patent 5234347 Issued on August 10, 1993. Estimated Expiration Date: 
December 3, 2012. 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.
December 3, 2012. 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 2265846 Rotary electrical connector apparatus Rotary electrical connector with remote modular connector Patent #: 5106306 InventorApplicationNo. 985580 filed on 12/03/1992US Classes:439/26, Laterally biased finger contact439/22, Having axially facing contact surface439/676Having push-pull-engaging contacts spaced along planar side wall transverse to longitudinal engagement axis (e.g., telephone jack or plug)ExaminersPrimary: Desmond, Eugene F.Attorney, Agent or FirmInternational ClassH01R 039/00AbstractA rotatable connector for telephone transmitter, especially one which prevents the transmitter conductor from twisting, includes: a housing; a clip connecting plug for inserting into the transmitter; a rotation seat for inserting and placing into the housing and connecting with an extension conductor to electrically connect with the clip connecting plug; some sets of annular guide pieces composed of some semi-circular piercing guide pieces and some semi-circular guide pieces being fixed onto the rotation seat; and a jack for transmitter conductor being fitted in the housing and having some electrically conducting spring strips embedded thereon; In this structure, the jack for transmitter conductor can rotate freely relative to the rotation seat, while still keeps the spring strips in electric connection with the annular guide pieces. | |
