The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 06, 1977
Filed:
Oct. 14, 1976
William J Montagno, Rochester, NY (US);
Allan L MacIntyre, Lima, NY (US);
General Signal Corporation, Rochester, NY (US);
Abstract
A hydraulic apparatus is provided for raising and lowering the shaft of an impeller apparatus and includes a hydraulic cylinder having a piston mounted therein. A piston rod is connected to the piston and extends from one end of the cylinder. A support means for the cylinder is provided and includes a top portion, a base portion, and a hollow interior portion. The base portion is adapted to be secured to the top of the impeller apparatus. The cylinder is secured to the top portion of the support means and the piston rod extends downward into the hollow interior portion. Further means are provided for securing the piston rod to the end of the shaft, and hydraulic circuit means are placed in fluid communication with the hydraulic cylinder for activating the hydraulic cylinder to raise and lower the shaft. The hollow interior portion of the support means serves to receive the end of the shaft when the shaft is in the raised position.