Dual-purpose dumbbell

Title: Dual-purpose dumbbell

Brief Patent Description - Full Patent Description - Patent Claims

The Patent Description & Claims data below is from USPTO Patent Application 20090156375, Dual-purpose dumbbell.

What is claimed is:

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° 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.

Brief Patent Description - Full Patent Description - Patent Claims

Click on the above for other options relating to this Dual-purpose dumbbell patent application.
###

How KEYWORD MONITOR works... a FREE service from FreshPatents
1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored.
3. Each week you receive an email with patent applications related to your keywords.
Start now! - Receive info on patent apps like Dual-purpose dumbbell or other areas of interest.
###

Previous Patent Application:
Balanced stackable dumbbell system
Next Patent Application:
Exercise to simulate horizontal ladder exercise
Industry Class:
Exercise devices

###

Design/code © 2009 FreshContext LLC/Freshpatents.com. Website Terms and Conditions - Also read: About this Page
Patent data source: patents published by the United States Patent and Trademark Office (USPTO)
Information published here is for research/educational purposes only (and in conjunction with our Keyword Monitor) and is not meant to be used in place of the full USPTO patent document/images or a comprehensive patent archive search. Complete official applications are on file at the USPTO and often contain additional data/images (Freshpatents is currently text-only). FreshPatents.com is not affiliated with or endorsed by the USPTO or firms/individuals or products/designs/ideas related to listed patents.

FreshPatents.com Support
Thank you for viewing the Dual-purpose dumbbell patent info.
IP-related news and info

Results in 2.13373 seconds

Other interesting Feshpatents.com categories:
Electronics: Semiconductor , Audio , Illumination , Connectors , Crypto , paws

* Protect your Inventions
* US Patent Office filing

Provisional Patent
Utility Patent

PATENT INFO