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:
Jan. 26, 1993
Filed:
Mar. 03, 1992
Applicant:
Inventor:
Michael W Stephens, Richmond, VA (US);
Assignee:
AMF Bowling, Inc., Richmond, VA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63D / ;
U.S. Cl.
CPC ...
273 51 ; 273 / ;
Abstract
A bowling alley bumper system which can be used for conventional bowling and for bumper bowling is disclosed. The bowling alley bumper system includes a pair of gutters having longitudinally extending portions and extending and retracting means for moving those portions into an extended position which allows bowling balls to fall into and roll along one of the gutters. In one embodiment, the portion is moved upwardly or downwardly along an arc in an xz plane with little or no lateral movement.