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:
May. 16, 1989
Filed:
Feb. 22, 1988
Robert D Heyl, Williamsport, PA (US);
Delaware Investments, Inc., Wilmington, DE (US);
Abstract
In a rotary valve assembly including a housing having a valve chamber and a removable cover member defining an end wall of the chamber, a drive shaft journaled in the housing and having an end portion projecting into the valve chamber and a rotary valve disposed in the valve chamber and slidably mounted on the drive shaft end portion whereby the rotary valve may be removed from the housing by removing the cover member and sliding the rotary valve off of the drive shaft end portion and passing it through the opening provided by the removal of the cover member, means for detachably securing the rotary valve on the drive shaft end portion generally consisting of the drive shaft having an opening therein, the rotary valve having an opening therein registrable with the drive shaft opening, a pin inserted in the rotary valve and drive shaft openings when the openings are in registry, and cooperative means disposed on the pin and one of the drive shaft and the rotary valve for yieldably retaining the pin in the openings whereby rotary drive may be transmitted from the drive shaft to the rotary valve.