Amusement devices: games – Striking weapon – Telescopic
Reexamination Certificate
1998-05-27
2001-05-29
Pierce, William M. (Department: 3711)
Amusement devices: games
Striking weapon
Telescopic
C403S368000
Reexamination Certificate
active
06238292
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates to a new and improved multi-stage positive lock tubular expandable police baton. Police batons are used by police for crowd control and other police duties in place of the conventional wooden billy clubs. Expandable police batons are shown for example in U.S. Pat. Nos. 5,320,348 and 5,160,140.
SUMMARY OF THE INVENTION
The present invention provides a new and improved positive lock quick release police baton. In particular, the collapse of the extended sections into the larger tubular section is accomplished by the use of a single axially positioned push button mechanism which releases ball bearing locking mechanisms in the sections.
This invention discloses a positive lock button release police baton, preferably having three sections. Each section successively gets smaller in diameter with the smaller sections telescoping into and out of larger section in which they are slidably positioned.
In this baton, the middle section and the smaller inner section are moved outwardly until they are locked in place by locking means when each of the sections are fully extended. To cause the collapse of the sections into one another, a push button is depressed to cause an axially positioned release rod to disengage a first ball bearing locking means holding the middle section to permit it to telescope into the larger end section. While the middle section is telescoping into said larger diameter end section, a second ball bearing locking means holding the smaller section in place relative to said middle section is caused to disengage by the tip of the release rod so that the smaller end section may telescope into said middle section.
The baton may be made out of any metal such as steel, aluminum or any combination thereof. The preferred steel is an alloy steel such as 4130. The steel may be hardened if desired, for example to 38 to 44 as measured on the Rockwell C Scale, using conventional heat treating process which produce martensite or bainite steel. The preferred aluminum is 6061 or 7075.
REFERENCES:
patent: D. 333692 (1993-03-01), Parsons
patent: D. 333693 (1993-03-01), Parsons
patent: 3302960 (1967-02-01), Herrmann
patent: 3469871 (1969-09-01), Betts
patent: 3507528 (1970-04-01), Desmarchais
patent: 4037839 (1977-07-01), Nelson
patent: 5110375 (1992-05-01), Parsons
patent: 5149092 (1992-09-01), Parsons
patent: 5161800 (1992-11-01), Parsons
patent: 5348297 (1994-09-01), Parsons
patent: 5356139 (1994-10-01), Parsons
patent: 5407197 (1995-04-01), Parsons
patent: 9610632 (1996-05-01), None
patent: 2 303 432 (1997-02-01), None
Banner & Witcoff , Ltd.
Linek Ernest V.
Monadnock Lifetime Products, Inc.
Pierce William M.
LandOfFree
Push button controlled police baton with ball bearing... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Push button controlled police baton with ball bearing..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Push button controlled police baton with ball bearing... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2451554