IP Library Granted Patent US 8,475,236
Granted Patent B2
US 8,475,236 · App. 12/586,113 · Granted Jul 2, 2013

Sander having a damping element

Inventors: Jiyu Zhang (Nanjing, CN); Shuming Wu (Nanjing, CN); Xunzhuang Qiu (Nanjing, CN); Yi Lu (Nanjing, CN)
Assignee: Chervon Limited
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 8,475,236
App. No.
12/586,113
Granted
Jul 2, 2013
Kind
B2
Abstract

A sander according to the present invention having a housing, a motor mounted in the housing, wherein the housing comprises an upper housing section and a lower housing section, the upper housing section includes an inner surface, the lower housing section includes a motor housing, the lower housing section at least partially overlapped by the upper housing section, and a grip portion formed on the upper housing section. The upper housing section is connected with the lower housing section through a damping means including at least a damping element positioned on the inner surface the upper housing section and on the periphery of the motor housing section, the damping element engaged with engagement member. The arrangement of the damping means simplifies the connection between the upper and lower housing sections, while effectively reducing the vibrations in the horizontal and vertical directions when the sander is in use.

Claims (16)

1. A sander comprising:

a housing having an upper housing section and a lower housing section, wherein the upper housing section includes an inner surface, the lower housing section includes a motor housing, the lower housing section being at least partially overlapped by the upper housing section;

a motor mounted in the motor housing;

a grip portion formed on the upper housing section;

wherein the upper housing section is connected with the lower housing section through a damping means, the damping means comprising at least a damping element positioned on the inner surface of the upper housing section and on a periphery of the motor housing;

wherein the lower housing section further includes a plurality of connection blocks.

2. The sander of claim 1 , wherein the damping element is adapted for receiving the connection blocks.

3. The sander of claim 1 , wherein the upper housing section further includes an engagement member adapted for engagement with the damping.

4. The sander of claim 3 , wherein the engagement member comprises at least two recesses and at least two slots.

5. A sander comprising:

a housing having an upper housing section and a lower housing section, wherein the upper housing section includes an inner surface, the lower housing section includes a motor housing;

a motor mounted in the motor housing;

a grip formed on the upper housing section;

a damping means which includes at least two damping elements; and

engagement members positioned on the inner surface of the upper housing section; and,

wherein the engagement members include at least two recesses and at least two slots positioned opposing with the motor housing.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 20, 2016
From: CHERVON LIMITED
To: CHERVON (HK) LIMITED
Reel/Frame 038333/0750 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 24, 2009
From: ZHANG, JIYU; WU, SHUMING; QIU, XUNZHUANG; LU, YI
To: CHERVON LIMITED
Reel/Frame 023562/0138 →
Continuity (1)
Related Publication 20100068977A1 · Mar 18, 2010