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:
Apr. 05, 1994
Filed:
Jul. 12, 1993
R Fred Pfost, Los Altos, CA (US);
Dale R Pfost, Abbingdon, Oxon, GB;
Other;
Abstract
A telescoping pool cue or similar ball-striking device wherein a continuously variable amount of energy is stored. A main spring within an elongated handle is held in compression by a ratchet and pawl which provides an audible or visible signal of the amount of stored energy. A telescoping member may be marked with vernier indicia to visibly indicate the amount of stored energy or an electronic display provided. The main spring urges an outer plunger forwardly, but an actuator spring urges an inner plunger rearwardly. Upon release, the inner plunger moves rearward to release the pawl and ratchet after which both plungers move forwardly. This reciprocal action allows the cue to begin and end a stroke near the desired point of impact.