Motorcycle lock

Locks – Special application – For control and machine elements

Reexamination Certificate

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Details

C070S233000

Reexamination Certificate

active

06199416

ABSTRACT:

BACKGROUND OF THE INVENTION
This invention relates to a motorcycle lock, particularly to one locked on a front fork having a stop plate to prevent the lock from being removed from the front fork, equipped with extremely good anti-theft function, locking and unlocking with only one hand, not to be lost, as always secured stabilized on a motorcycle even during running and safely.
A known conventional motorcycle lock shown in
FIG. 1
includes a cylindrical base
10
, a locking base
11
placed in a front portion of a hollow interior
100
of the cylindrical base
10
, a pin hole
101
,
110
respectively provided in the cylindrical base
10
and the locking base
11
for a pin
13
to fit therein to secure the locking base
11
with the cylindrical base
10
. Provided that the motorcycle lock is to be locked, a foot
120
of a U-shaped shank
12
is inserted in an oval shank hole
102
, with a recess
121
of the foot
120
is engaging a swelled stop
103
at a left end of the hollow interior
100
, and then the shank
12
is moved to an upright position to let the other foot
122
insert in another oval shank hole
104
to be locked by the locking base
11
, with the U-shaped shank
12
locked immovable from the cylindrical base
10
.
However, the known conventional motorcycle lock has the following disadvantages.
1. It has to be placed on a motorcycle body in case of unused, taking not a small space, and liable to produce colliding noise during running.
2. If it is not placed in a case, it is prone to be stolen or fall down or lost.
3. Both hands have to be used in locking or unlocking, inconvenient.
4. When it is locked around a wheel, it easily gets dirty, with hands also getting dirty. And it has to be cleaned before it is placed in a case, or other things put in the case may also be smeared.
SUMMARY OF THE INVENTION
This invention has been devised to offer a motorcycle lock, always fixed on a front fork whether in use or not, having a locking rod pushed to move into a front wheel to preventing it from rotating, i. e. locking the lock, by means of a push plate pivotally connected to the locking rod.
The feature of the invention is a stop plate closing up a hollow chamber of a base wherein a locking means are contained to prevent the lock from prying unlocked by tools illegally. Further, a locking rod and a push plate are pivotally connected to each other so that the push plate may be aligned to push the locking rod rearward into a front wheel to prevent it from rotating, that is, locking the lock. If the lock is not locked, the push plate is located vertical to the locking rod, which is retreated from the interior of the front wheel, not interfering rotation of the front wheel. In addition, locking and unlocking can be operated only by one hand, very convenient.


REFERENCES:
patent: 3781861 (1973-12-01), Adler, Jr. et al.
patent: 3824540 (1974-07-01), Smith, II
patent: 4180998 (1980-01-01), Hellman
patent: 4459833 (1984-07-01), Waterkamp et al.
patent: 5069049 (1991-12-01), Shieh
patent: 5265451 (1993-11-01), Phifer
patent: 5507160 (1996-04-01), Shieh
patent: 5515947 (1996-05-01), Shieh
patent: 5517837 (1996-05-01), Wang
patent: 5526661 (1996-06-01), Lin
patent: 5530427 (1996-06-01), Shieh
patent: 5628214 (1997-05-01), Evers
patent: 5709113 (1998-01-01), Godfrey

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