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Patent Number: 9386861
Patent Date: 2016-07-12
Patent type: utility
A spring assembly includes telescopically adjustable inner and outer members biased in an extension direction by a coil spring. A preload member is provided to apply a compression preload to the coil spring. The preload member can eliminate stickiness and the popping sound that are drawbacks of the prior art, and the fabric sleeve also provides general noise reduction when the spring assembly changes length.
Inventors
| First Name | Last Name | City | State | Country |
|---|---|---|---|---|
| John K. | Roma | - | - | - |
IPCs
| Section | Class | Sub Class | Group | Sub Group |
|---|---|---|---|---|
| F | 16 | F | 1 | 12 |
| A | 47 | C | 23 | 30 |
| A | 47 | C | 23 | 043 |
| A | 47 | C | 27 | 06 |
Assignee
| Organization | First Name | Last Name | City | State | Country |
|---|---|---|---|---|---|
| Otis Bed Manufacturing Company, Inc. | - | - | - | - | - |