Spinning reel for fishing having spool support structure

Details Spinning reel for fishing having spool support structure Spinning reel for fishing having spool support structure

1999-03-22

2001-03-13

Walsh, Donald P. (Department: 3653)

Winding, tensioning, or guiding

Reeling device

Fishing rod reel

C242S322000, C384S029000

Reexamination Certificate

active

06199783

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to a spinning reel for fishing, which is improved in the fishing line winding operation property.
As well known, a conventional spinning reel for fishing is constructed as follows. A rotor is fixed to an end of a flier shaft (rotary cylindrical shaft) which is rotatably supported by a reel body via bearings. The rotor is rotated by the operation of a handle via a drive gear of the handle shaft and a pinion of the flier shaft which engages with the drive gear. A spool shaft is inserted into the flier shaft. A spool is attached to a protruding end of the spool shaft on the rotor side. The spool is reciprocated in the longitudinal direction of the reel body in linking with the rotation of the rotor by a traverse mechanism and an oscillating mechanism arranged on the rear end side of the spool shaft.
When a bail attached between bail arms of the rotor is moved to the fishing line winding position side and the rotor is rotated by operating a handle in the fishing line winding direction, a fishing line is wound onto the spool reciprocated in the longitudinal direction in linking with the rotation of the rotor. When the bail is inverted to the fishing line casting position side and a fishing tackle is cast, the fishing line wound around the spool is spirally drawn out from the spool.
The following problems may be encountered in the above conventional spinning reel for fishing. According to the structure of the above conventional spinning reel for fishing, when the rotor is rotated, the spool shaft inserted into the flier shaft slides in the longitudinal direction all over the inner circumference of the flier shaft. Therefore, the rotary efficiency is lowered by the influence of frictional resistance caused between the spool shaft and the flier shaft. Accordingly, the operation for winding or casting the fishing line is not smooth.
In order to solve the above problems and enhance the fishing line winding operation property, Japanese Examined Utility Model Publication Wo. 50-24542 discloses a spinning reel
15
constructed as shown in FIG.
15
. In the spinning reel
15
, a predetermined gap is provided between a flier shaft
1
and a spool shaft
3
. One end of the spool shaft
3
is supported via a ball bearing
9
by a block
7
attached to a rotor
5
in such a manner that the spool shaft
3
can be moved in the axial direction, and the other end of the spool shaft
3
is supported by a bearing
13
provided on the reel body
11
.
Japanese Unexamined Utility Model Publication No. 6-11469 discloses a spinning reel
23
constructed as shown in FIG.
16
. The spinning reel
23
is provided with a rolling member
21
between the outer circumference of a spool shaft
17
and the inner circumference of a flier shaft
19
to enhance the fishing line winding operation property.
However, the above arrangements are disadvantageous as follows. The number of parts is increased, and thus the structure becomes complicated. This makes the assembly of the spinning reel in the manufacturing stage difficult, increases the manufacturing cost and make the disassembly of the spinning reel in the maintenance difficult.
If the ball bearing
9
, bearing
13
and rolling member
21
are used as described above, the weight of the entire reel is increased. Therefore, the fishing line operation property is deteriorated.
SUMMARY OF THE INVENTION
The present invention has been accomplished in view of the above circumstances. It is an object of the present invention to provide a spinning reel for fishing characterized in that: the fishing line winding operation property is high without increasing the weight of the entire reel; the manufacturing cost is low; the structure is simple; and the disassembly is easily conducted.
In order to accomplish the above object, the invention provides a spinning reel for fishing in which a spool shaft having a spool at its end is slidably inserted into a flier shaft rotatably supported by a reel body so that the spool shaft can be slid in the axial direction. The spinning reel is characterized in that a protruding sliding guide is formed on one of the outer circumference of the spool shaft and the inner circumference of the flier shaft.
The sliding guide may be arranged at both end portions of the flier shaft in the longitudinal direction.
When the handle is operated in the fishing line winding direction, the spool shaft and the spool are reciprocated in the longitudinal direction in linking with the operation of the handle, and the fishing line is wound around the spool. The spool shaft slides in the axial direction while being partially supported by the sliding guide arranged on the inner circumference of the flier shaft or the outer circumference of the spool shaft. Therefore, frictional resistance caused between the inner circumference of the flier shaft and the outer circumference of the spool shaft can be reduced. As a result, the rotary efficiency of the rotor can be enhanced, and the fishing line can be wound around the spool in a good condition.
If the sliding guide is arranged on the inner circumference at both end portions of the flier shaft, lubricant injected between the flier shaft and the spool shaft can be held in the sliding guide over a long period of time. Therefore, lubrication can be stably maintained in a good condition.
The present disclosure relates to the subject matter contained in Japanese patent application No. Hei. 10-71729 (filed on Mar. 20, 1999), which is expressly incorporated herein by reference in its entirety.


REFERENCES:
patent: 1353633 (1920-09-01), Cothran
patent: 2632608 (1953-03-01), Vincent
patent: 2663599 (1953-12-01), Mackay et al.
patent: 2974895 (1961-03-01), Wood
patent: 3185531 (1965-05-01), Modrey
patent: 3918772 (1975-11-01), Van Damme
patent: 4394991 (1983-07-01), Noda
patent: 4603824 (1986-08-01), McArdel
patent: 4997324 (1991-03-01), Shirai et al.
patent: 5558289 (1996-09-01), Hirayama et al.
patent: 5836698 (1998-11-01), Richardson
patent: 803862 (1951-04-01), None
patent: 2619077 (1977-11-01), None
patent: 2236151 (1991-03-01), None
patent: 50-24542 (1975-07-01), None
patent: 309010 (1990-12-01), None
patent: 6-11469 (1994-02-01), None

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