Patents
US 10385939 B2: Spring assembly with a protected attachment site
- Granted
- 2019-08-20
- Filed
- 2018-01-24 application 15879072
- Type
- Utility · 23 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A spring assembly includes a coil spring having one or more helical coils between two longitudinally spaced ends, and an attachment site disposed at at least one of the longitudinally spaced ends. The attachment site includes a casing enclosing the at least one of the longitudinally spaced ends, the casing having a casing passage therethrough between a first side and a second side. The attachment site also includes a washer disposed on the first side and having a washer passage aligned with the casing passage, and a base disposed on the second side and having a base passage aligned with the casing passage.
Source: PVGPATDIS, file of 2026-04-10 (ipg190820.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| General Kinematics Corporation 32 patents | US company or organization | Crystal Lake, IL | GENERAL KINEMATICS CORPORATION State business registration EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Kerry Quinn | Palatine, IL | 5 | PVGPATDIS, file of 2026-04-10 | |
| Ed Steffes, JR. | Woodstock, IL | 2 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| F16F | Springs; shock-absorbers; means for damping vibration | F16F1/122 | PVGPATDIS, file of 2026-04-10 |
| B65G | Transport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors | B65G27/26 | PVGPATDIS, file of 2026-04-10 |
| B07B | Separating solids from solids by sieving, screening, sifting or by using gas currents; separating by other dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material | B07B1/30 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2018-04-24 | Assignment Assignment of assignor's interest | QUINN, KERRY WILLIAM signed 2017-05-16 STEFFES, ED, JR. signed 2017-05-16 | GENERAL KINEMATICS CORP. CRYSTAL LAKE, IL | 45621/676 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.