Implements or apparatus for applying pushing or pulling force – Portable implements or apparatus for tensioning flexible... – Including rotatably driven drum for engaging either material...
Reexamination Certificate
2002-06-12
2003-11-18
Marcelo, Emmanuel M (Department: 3654)
Implements or apparatus for applying pushing or pulling force
Portable implements or apparatus for tensioning flexible...
Including rotatably driven drum for engaging either material...
C024S0690ST, C024S0710ST, C074S545000, C074S543000
Reexamination Certificate
active
06648302
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a winch of a lashing rope used for fastening cargo onto a truck, more particularly a winch, which can be operated for stretching the lashing rope by means of moving a lever to and fro, and which is provided with such a handle that it can be assembled and operated relatively easily.
Referring to
FIG. 9
, a conventional winch of a lashing rope used for fastening cargo onto a truck includes a support base
31
, a pair of operating levers
32
, turning rods
33
, an engaging plate
34
, ratchets
35
, and engaging member
36
, and a handle
37
.
The support base
31
has two parallel lateral plates (not numbered), a connecting rod
311
connected to outer ends of the lateral plates, and a holding protrusion
313
fixedly disposed between the lateral plates. The lateral plates have opposing pivotal holes at inner ends thereof and slots
312
that are opposite each other.
The turning rod
33
is turnably passed through the pivotal holes of the support base
31
. The turning rod
33
has a lengthwise formed elongated gap
331
for allowing a rope to be connected thereto. The ratchet
35
is connected to a respective end of the turning rod
33
.
The operating levers
32
are connected to the turning rod
33
at inner ends thereof. The operating levers
32
have slots
321
that are opposite each other. The handle
37
is connected to the outer ends of the operating levers
32
.
The engaging member
36
is movably fitted to the operating levers
32
, and is biased by an elastic member (not numbered) so that an engaging plate portion
361
thereof engages the teeth of the ratchets
35
; two ends of the engaging plate portion
361
stick out through the slots
321
of levers
32
. The engaging plate
34
is movably fitted to the support base
31
with two ends thereof sticking out through the slots
312
of the base
31
. The engaging plate
34
has a rod portion
342
. and an elastic member
343
; the elastic member
343
is secured to the holding protrusion
313
of the base
31
at one end, and the rod portion
342
is passed into other end of the elastic member
343
so that the engaging plate
34
is biased towards the ratchets
35
to engage the same at an engaging portion
341
thereof.
In using the winch, a first rope is connected to the truck and the connecting rod
311
at two ends. And, a second rope is connected to the opposite side of the truck and the turning rod
33
at tow ends, and is passed over the cargo on the truck. Thus, the ropes are stretched to fasten the cargo tightly onto the truck by means of moving the handle
37
to and fro to wind the second rope around the turning rod
33
. To loosen the ropes, both the engaging member
36
and the engaging plate
34
are moved away from the ratchets
35
to disengage same so that the ratchets
35
and the turning rod
33
can turn in the opposite direction.
Referring to
FIG. 10
, the handle
37
is provided with connecting ends
371
that have semi-circular shape, while the outer ends of the operating levers
32
are provided with semi-circular holes
322
so that the connecting ends
371
can fit in the holes
322
. The connecting ends
371
are passed through the holes
322
, and are then struck into a flat shape so that the handle
27
is firmly connected to the levers
32
.
The winch of a lashing rope is found to have disadvantages as followings:
1. It costs relatively much labor to strike the connecting ends
371
of the handle
37
into a flat shape for firmly connecting the handle
37
to the levers
32
. Consequently, the manufacturing cost is increased.
2. In order for the ends to be able to be struck into flat shape, the handle
37
has to be made of metallic materials. Consequently, the style, design and colors the handle can be presented with are limited to a great degree.
SUMMARY OF THE INVENTION
Therefore, it is a main object of the present invention to provide a handle to the above winch of a lashing rope that can be easily fitted in position, and can be made to have various shapes and colors to be attractive.
It is another object of the present invention to provide luminous substance to the handle so that people can easily find the handle in the dark when the winch is used on a truck.
REFERENCES:
patent: 429416 (1890-06-01), Brown
patent: 499103 (1893-06-01), Goddard
patent: 675917 (1901-06-01), Allen
patent: 729418 (1903-05-01), Robertson
patent: 744739 (1903-11-01), Fliess
patent: 989203 (1911-04-01), Stebbins
patent: 1280564 (1918-10-01), Shapiro
patent: 2302954 (1942-11-01), Priest et al.
patent: 2398436 (1946-04-01), Mason
patent: 4688571 (1987-08-01), Tesler
patent: 5904341 (1999-05-01), Norrby
patent: 6185786 (2001-02-01), Garcia
Marcelo Emmanuel M
Rosenberg , Klein & Lee
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