Roller massager having rocking or kneading massaging motions

Details Roller massager having rocking or kneading massaging motions Roller massager having rocking or kneading massaging motions

2003-03-28

2004-10-26

DeMille, Danton D. (Department: 3764)

Surgery: kinesitherapy

Kinesitherapy

Device with applicator having specific movement

C601S102000, C601S116000, C601S126000, C601S134000

Reexamination Certificate

active

06808500

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
This creation is about a kind of massager, specifically a new design of rock arm type roller massager.
2. Description of Related Art
Whereas the commonly adopted structure of massager for performing massaging motions on the back and waist of human body, particularly the kind of rocker arm type roller massager, as shown in
FIG. 1
, is using the rotations of a worm
10
to drive a rocker arm type roller set
11
for executing reciprocating displacement movements, hence enabling the rollers
12
on that roller set
11
to carry out rolling massaging on the back of a human body, in view of the fact that those rollers
12
can only provide straight line type rolling massaging along with the reciprocating linear movements of the roller seat body
13
, obviously the massaging effects that are provided to the user are considerably simple and limited, thus such product design is deemed far less than perfect.
Therefore, how to develop a kind of more ideal and practical rocker arm type massager structure should be something that is desired by the consumers, and should be the goal and direction of development and creation by the efforts of the concerned business.
SUMMARY OF THE INVENTION
For enabling your respectable examiners to have further understanding and knowledge on the purpose, features and effects of this creation, detailed descriptions are hereby given in following together with illustrations in figures:
Firstly, as per the kind of roller massager structure improvement in this creation as demonstrated in
FIGS. 2
,
3
, the new roller massager is primarily consisting of a seat body
20
, a drive motor
21
, a worm
22
, a sliding seat
23
, a second drive motor
24
and two rock arm type massaging roller sets
30
,
301
; of which, the sliding seat
23
is matching with the worm
22
capable of sliding back and forth along with the worm's rotating; the second drive motor
24
can drive a drive rod
26
to rotate through a turning gear set
25
, and the rocker arm type massaging roller sets
30
,
301
are pivoted at the ends of the drive rod
26
; the main features are:
Two pilot end heads
40
,
41
are fitted at the two ends of the drive rod
26
in opposite positions, their inner sides are provided with an eccentric hole
42
for fitting on the drive rod
26
end, the outer sides are cut into an inclined end surface
43
with a projecting stud
44
, in order to limit the positions of the massaging roller set's rocker arms
31
through a locking set of lining ring
32
and nut
33
after being pivot-connected. Those two pilot end heads
40
,
41
are radially locked onto the drive rod
26
by bolts
45
,
46
. One of the pilot end heads
41
is further provided with a radial slot
47
cutting across the eccentric hole
42
, while the clockwise, counterclockwise extreme ends
471
,
472
of that slot
47
are so positioned that that pilot end head
41
will be limited by the bolt
46
after rotating 180°. Accordingly, differences in the height and the inclined end surface
43
attitude will be generated between that pilot end head
41
and another pilot end head
40
through clockwise and counterclockwise rotations of the former, hence the rocker arm type roller sets will generate parallel rocking or symmetric kneading movements.


REFERENCES:
patent: 4422449 (1983-12-01), Hamabe
patent: 4718408 (1988-01-01), Barreiro
patent: 5971944 (1999-10-01), Chang
patent: 6656140 (2003-12-01), Oguma et al.

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