Patent US4830560A successfully refreshed from Google Patents.
US4830560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic clip with resilient thread segments and cylindrical clasp
Assignee: Nifco Inc
•
Filing: 1988-05-03
•
Granted: 1989-05-16
•
Expires: 2008-05-03
Abstract
Abstract A plastic clip to be tightened against a bolt comprises a plastic body having a base having a through hole to be penetrated vertically by the bolt, at least one upright post extending upright from the top of the base adjacent to the through hole, a cylindrical portion united to the outer end of the upright post and having a hole formed above and coaxial with the through hole in the base for receiving the bolt, and a flexible arm extending in a curved fashion from one side of the upright post between the base and the cylindrical portion to slightly project with respect to the outer shape of the cylindrical portion having a curved inner surface provided with a thread to be meshed with the male thread of the bolt, and a plastic operable cylinder fitted on the outer periphery of the cylindrical portion and lowered along the upright post to urge the flexible arm against the periphery of the bolt.
Inventors
- 👤 Toshio Hirohata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:02
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/08; F16B37/0807; F16B37/0864; Y; Y10; Y10S; Y10S411/00; Y10S411/904; Y10S411/908
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
163 words
A plastic clip to be tightened against a bolt comprising: a plastic body having a base having a through hole to be penetrated vertically by said bolt, at least one upright post extending upright from the top of said base adjacent to said through hole, a cylindrical portion united to the outer end of said upright post and having a hole formed above and coaxial with said through hole in said base for receiving said bolt, and a flexible arm extending in a curved fashion from one side of said upright post between said base and said cylindrical portion to slightly project with respect to the outer shape of said cylindrical portion and having a curved inner surface provided with a thread to be meshed with the male thread of said bolt; and a plastic operable cylinder fitted on the outer periphery of said cylindrical portion and lowered along said upright post to urge said flexible arm against the periphery of said bolt.
Claim 2
Dependent Claim
163 words
A plastic clip to be tightened against a bolt comprising: a plastic body having a base having a through hole to be penetrated vertically by said bolt, at least one upright post extending upright from the top of said base adjacent to said through hole, a cylindrical portion united to the outer end of said upright post and having a hole formed above and coaxial with said through hole in said base for receiving said bolt, and a flexible arm extending in a curved fashion from one side of said upright post between said base and said cylindrical portion to slightly project with respect to the outer shape of said cylindrical portion and having a curved inner surface provided with a thread to be meshed with the male thread of said bolt; and a plastic operable cylinder fitted on the outer periphery of said cylindrical portion and lowered along said upright post to urge said flexible arm against the periphery of said bolt.
Claim 3
Dependent Claim
27 words
The plastic clip according to claim 1, wherein said flexible arm has an outer surface having an upper portion formed with an outwardly downwardly inclined cam-like surface.
Claim 4
Dependent Claim
34 words
The plastic clip according to claim 1, wherein said operable cylinder has the peripheral wall formed with a window into which a free end portion of said flexible arm is to be outwardly flexed.
Claim 5
Dependent Claim
29 words
The plastic clip according to claim 1, wherein said operable cylinder is united via a reduced-wall portion to the upper end of the outer periphery of said cylindrical portion.
Claim 6
Dependent Claim
50 words
The plastic clip according to claim 1, wherein said plastic body includes two upright posts extending upright and in an opposing fashion from the top of said base adjacent to said through hole and a pair of flexible arms each extending in like direction from each of said upright posts.
Claim 7
Dependent Claim
52 words
The plastic clip according to claim 1, wherein said plastic body includes two upright posts extending upright and in an opposing fashion from the top of said base adjacent to said through hole and a pair of flexible arms extending from the opposite sides of at least one of said upright posts.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-05-15 | 1992-11-14 | 1993-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-05-15 | 1996-11-14 | 1997-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-05-15 | 2000-11-14 | 2001-05-16 | $7700.00 | Window Closed / Lapsed |