Counterweight compensation for an X-ray examination apparatus
Patent 4149078 Issued on April 10, 1979. Estimated Expiration Date: 
January 26, 1998. 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.
January 26, 1998. 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 3916203 X-ray examination apparatus comprising a counter-weight for the image section Patent #: 3933251 InventorsApplicationNo. 05/872604 filed on 01/26/1978US Classes:378/177, With object support or positioning378/195, Including object support or positioning378/197Including movable sourceExaminersPrimary: Church, Craig E.Attorney, Agent or FirmInternational ClassesA61B 6/02 (20060101)A61B 6/00 (20060101) F16F 15/28 (20060101) F16F 15/00 (20060101) Foreign Application Priority Data1977-02-03 DEAbstractIn the illustrated embodiment, a single counterweight suspended on a traction cable compensates a plurality of differently moving apparatus parts and is of significantly lesser weight than corresponds to the sum of weights of the compensated apparatus parts. The cable is shown as coupled with the sighting device beneath the patient's support as well as with the carrier column for the X-ray tube while yet being operable to simultaneously compensate the torque of the carrier column in different orientations of the patient support, including a vertical disposition. | |
