U.S. patent application number 12/001894 was filed with the patent office on 2009-06-18 for dual-purpose dumbbell.
Invention is credited to Pang-Ching Chiang.
Application Number | 20090156375 12/001894 |
Document ID | / |
Family ID | 40754029 |
Filed Date | 2009-06-18 |
United States Patent
Application |
20090156375 |
Kind Code |
A1 |
Chiang; Pang-Ching |
June 18, 2009 |
Dual-purpose dumbbell
Abstract
A dual-purpose dumbbell has a bar, two weights and two adjusting
assemblies. The bar has two ends. The two weights are mounted
rotatably respectively on the ends of the bar and can be configured
longitudinally or transversely relative to the bar. The adjusting
assemblies are mounted respectively between the ends of the bar and
the weights to allow the weights rotated relative to the bar. When
the weights are configured longitudinally, the dual-purpose
dumbbell is used as a dumbbell or a weighted baton. When the
weights of the dual-purpose dumbbell are configured transversely,
the dual-purpose dumbbell can be used as a handle for doing
pushups. Since the dual-purpose dumbbell can be used as a dumbbell,
a weighted baton and a handle for use when doing pushups, less
space is required to store exercise equipment and less cost is
incurred to procure the exercise equipment.
Inventors: |
Chiang; Pang-Ching; (Taipei,
TW) |
Correspondence
Address: |
COOPER & DUNHAM, LLP
30 Rockefeller Plaza, 20th Floor
NEW YORK
NY
10112
US
|
Family ID: |
40754029 |
Appl. No.: |
12/001894 |
Filed: |
December 13, 2007 |
Current U.S.
Class: |
482/108 |
Current CPC
Class: |
A63B 23/1236 20130101;
A63B 21/0722 20151001; A63B 21/0726 20130101 |
Class at
Publication: |
482/108 |
International
Class: |
A63B 21/072 20060101
A63B021/072 |
Claims
1. A dual-purpose dumbbell comprising: a bar having two ends; two
weights being connected adjustably respectively to the ends of the
bar; and two adjusting assemblies being mounted respectively
between the ends of the bar and the weights to allow the weights
being adjusted relative to the bar.
2. The dual-purpose dumbbell as claimed in claim 1, wherein each
end of the bar has an inclined surface having a center; and a
locking recess being non-circular, being geometric with a
90.degree. increment and being formed at the center of the end; the
bar further has an outer surface; and two through holes being
formed perpendicularly respectively through the centers of the
inclined surfaces of the ends and communicating with the outer
surface of the bar, each through hole having a countersink
communicating with the outer surface; each weight further has a
proximal end being inclined, corresponding to the inclined surface
of a corresponding end of the bar and having a center; a distal
end; a locking protrusion being formed concentrically on and
protruding from the proximal end and corresponding to and
selectively engaging the locking recess of a corresponding end of
the bar; a fastening hole being formed concentrically in the
locking protrusion; and a foot being a pliable, non-skid pad and
being attached to the distal end of the weight; and each adjusting
assembly has a fastener being mounted through one of the through
holes in the bar, connecting to the fastening hole in a
corresponding weight and having an enlarged head; and a biasing
element being mounted around the fastener between the bar and the
enlarged head of the fastener and pulling the proximal end of the
corresponding weight against the inclined surface of a
corresponding end of the bar.
3. The dual-purpose dumbbell as claimed in claim 2, wherein the
outer surface of the bar is cylindrical.
4. The dual-purpose dumbbell as claimed in claim 2, wherein the
distal end of each weight has a recess; and the foot is mounted in
the recess.
5. The dual-purpose dumbbell as claimed in claim 3, wherein the
distal end of each weight has a recess; and the foot is mounted in
the recess.
6. The dual-purpose dumbbell as claimed in claim 2, wherein the
fastening holes of the weights are threaded.
7. The dual-purpose dumbbell as claimed in claim 5, wherein the
fastening holes of the weights are threaded.
8. The dual-purpose dumbbell as claimed in claim 2, wherein the
fasteners are bolts.
9. The dual-purpose dumbbell as claimed in claim 7, wherein the
fasteners are bolts.
10. The dual-purpose dumbbell as claimed in claim 2, wherein the
biasing elements are springs.
11. The dual-purpose dumbbell as claimed in claim 9, wherein the
biasing elements are springs.
12. The dual-purpose dumbbell as claimed in claim 1 further
comprising a grip being a pliable sheath, being mounted around the
bar and having a non-skid outer surface.
13. The dual-purpose dumbbell as claimed in claim 11 further
comprising a grip being a pliable sheath, being mounted around the
bar and having a non-skid outer surface.
Description
BACKGROUND OF THE INVENTION
[0001] 1. Field of the Invention
[0002] The present invention relates to a dual-purpose dumbbell and
especially to a dual-purpose dumbbell that can be used in different
exercises.
[0003] 2. Description of the Prior Arts
[0004] Most sports appliances have a single use. If a person wants
to do different exercises, different sports appliances are
required, which cost more money and requires more space for
storage.
[0005] To overcome the shortcomings, the present invention provides
a dual-purpose dumbbell to mitigate or obviate the aforementioned
problems.
SUMMARY OF THE INVENTION
[0006] The main objective of the present invention is to provide a
dual-purpose dumbbell that can be used as a conventional weight or
a handle for pushups.
[0007] A dual-purpose dumbbell in accordance with the present
invention has a bar, two weights and two adjusting assemblies. The
bar has two ends. The two weights are mounted rotatably
respectively on the ends of the bar and can be configured
longitudinally or transversely relative to the bar. The adjusting
assemblies are mounted respectively between the ends of the bar and
the weights to allow the weights rotated relative to the bar. When
the weights are configured longitudinally, the dual-purpose
dumbbell is used as a conventional dumbbell or a weighted baton.
When the weights of the dual-purpose dumbbell are configured
transversely, the dual-purpose dumbbell can be used as a handle for
doing pushups. Since the dual-purpose dumbbell can be used as a
conventional dumbbell, a weighted baton and a handle for use when
doing pushups, less space is required to store exercise equipment
and less cost is incurred to procure the exercise equipment.
[0008] Other objectives, advantages and novel features of the
invention will become more apparent from the following detailed
description when taken in conjunction with the accompanying
drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
[0009] FIG. 1 is a perspective of a dual-purpose dumbbell in
accordance with the present invention;
[0010] FIG. 2 is an exploded perspective view of the dual-purpose
dumbbell in FIG. 1;
[0011] FIG. 3 is a side view in partial section of the dual-purpose
dumbbell in FIG. 1;
[0012] FIG. 4 is an operational side view in partial section of the
dual-purpose dumbbell in FIG. 1 with one weight adjusted
transversely to the bar;
[0013] FIG. 5 is operational side view in partial section of a
dual-purpose dumbbell in FIG. 1 converted to a handle for use
during pushups;
[0014] FIG. 6 is another perspective view of the sport appliance of
dual purpose in FIG. 1; and
[0015] FIG. 7 is an operational perspective of the dual-purpose
dumbbell in FIG. 1 used during pushups.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0016] With reference to FIG. 1, the dual-purpose dumbbell in
accordance with the present invention is selectively used as a
weight and a handle used when performing pushups and comprises a
bar (10), two weights (20), two adjusting assemblies and an
optional grip (30).
[0017] With further reference to FIG. 2, the bar (10) has two ends
(11) and may have an outer surface (12) and two through holes
(13).
[0018] With further reference to FIG. 3, each end (11) may have an
inclined surface. Each inclined surface has a center and a locking
recess (111). The locking recess (111) is non-circular, is
geometric with a 90.degree. increment and is formed at the center
of the end (11).
[0019] The outer surface (12) may be cylindrical.
[0020] The through holes (13) are formed perpendicularly
respectively through the centers of the inclined surfaces of the
ends (11) and communicate with the outer surface (12) of the bar
(10). Each through hole (13) has a countersink (131). The
countersink (131) communicates with the outer surface (12) of the
bar (10).
[0021] The weights (20) are connected adjustably respectively to
the ends (11) of the bar (10). Each weight (20) may have a proximal
end (21), a distal end (22), a locking protrusion (23), a fastening
hole (24) and a foot (27).
[0022] The proximal end (21) is inclined, corresponds to the
inclined surface of the end (11) of the bar (10) and has a
center.
[0023] The distal end (22) has an optional recess.
[0024] With further reference to FIGS. 4 and 5, the locking
protrusion (23) is formed concentrically on and protrudes from the
proximal end (21) and corresponds to and selectively engages the
locking recess (111) to hold the weight (20) in a longitudinal or
transverse position relative to the bar (10).
[0025] The fastening hole (24) is formed concentrically in the
locking protrusion and may be threaded.
[0026] With further reference to FIGS. 6 and 7, the foot (27) is a
pliable, non-skid pad, is attached to the distal end (22) of the
weight (20), keeps the dual-purpose dumbbell from slipping when
being used as a handle to perform pushups and is mounted in the
recess in the distal end (22) of the weight (20).
[0027] The adjusting assemblies are mounted respectively between
the ends of the bar (10) and the weights (20) to allow the weights
(20) being adjusted relative to the bar (10). Each adjusting
assembly may have a fastener (25) and a biasing element (26).
[0028] The fastener (25) is mounted through the corresponding
through hole (13) in the bar (10), connects to the fastening hole
(24) in the corresponding weight (20), has an enlarged head and may
be a bolt.
[0029] The biasing element (26) is mounted around the fastener (25)
between the bar (10) and the enlarged head of the fastener (25),
pulls the proximal end (21) of the corresponding weight (20)
against the inclined surface of the corresponding end (11) of the
bar (10) and may be a spring.
[0030] The grip (30) is a pliable sheath, is mounted around the bar
(10) and has a non-skid outer surface.
[0031] The dual-purpose dumbbell as described can be used as a
dumbbell, a weighted baton and a handle for use when doing pushups.
Consequently, less space is required to store exercise equipment
and less cost is incurred to procure the exercise equipment.
[0032] Even though numerous characteristics and advantages of the
present invention have been set forth in the foregoing description,
together with details of the structure and features of the
invention, the disclosure is illustrative only. Changes may be made
in the details, especially in matters of shape, size, and
arrangement of parts within the principles of the invention to the
full extent indicated by the broad general meaning of the terms in
which the appended claims are expressed.
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