Winding – tensioning – or guiding – Reeling device – With brake
Reexamination Certificate
2001-02-15
2002-07-16
Nguyen, John Q. (Department: 3654)
Winding, tensioning, or guiding
Reeling device
With brake
C242S153000, C242S15500M, C242S419800
Reexamination Certificate
active
06419179
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a reel device, more particularly to a reel device having a cable guiding unit that is capable of maintaining a cable in a tensed state and of guiding the cable such that the cable can be wound without tangling with itself.
2. Description of the Related Art
FIG. 1
illustrates a conventional reel device
1
which includes a housing
11
, a spool
12
journalled in the housing
11
, and a cable
13
wound on the spool
12
. The cable
13
has a distal end that extends out of the housing
11
via a rear opening
110
of the latter. The spool
12
is coupled to a drive source via a speed-reduction gear set
14
. To unwind the cable
13
from the spool
12
, the distal end of the cable
13
is pulled away from the rear opening
110
of the housing
11
. On the other hand, when it is desired to wind the cable
13
on the spool
12
, the drive source is activated to cause rotation of the spool
12
in a direction for winding the cable
13
thereon. It is found that the cable
13
could tangle with itself during winding on the spool
12
in the case the cable
13
is in a loose and non tensioned state. This prevents smooth unwinding of the cable
13
when the cable
13
is to be subsequently unwound from the spool
12
. Referring to
FIG. 2
, when the cable
13
is connected to a heavy object, such as a car
2
, and is wound to pull the car
2
to move along a downward slope on an uneven ground surface, the speed of the car
2
could be faster than the rate in which the cable
13
is wound on the spool. At this time, the cable
13
will be in a loose and non-tensioned state.
SUMMARY OF THE INVENTION
Therefore, the main object of the present invention is to provide a reel device having a cable guiding unit that is capable of maintaining a cable in a tensed state and of guiding the cable such that the cable can be wound without tangling with itself.
Accordingly, the reel device of the present invention includes a housing, a spool, a cable guiding unit, and a cable. The housing has a pair of spaced-apart lateral side walls and a cable winding space formed between the lateral side walls. The cable winding space ha.
3
a rear opening. The spool is disposed transversely between the lateral side walls, and is mounted rotatably on the side walls. The cable guiding unit is mounted on the housing, and is disposed in the cable winding space adjacent to the rear opening. The cable is wound on the spool, and has a distal end extending rearwardly through the cable guiding unit. The cable guiding unit includes a cable engaging member which is operable to move between an engaging position, in which the cable guiding unit applies a friction force on the cable so as to retard movement of the cable relative to the cable guiding unit, and a disengaging position, in which the friction force is released such that the cable guiding unit ceases to retard movement of the cable relative to the cable guiding unit.
REFERENCES:
patent: 3386679 (1968-06-01), Foulon et al.
Nguyen John Q.
Trop Pruner & Hu P.C.
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