US4734055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cord bushing
Assignee: Kitagawa Industries Co Ltd
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Filing: 1981-12-30
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Granted: 1988-03-29
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Expires: 2001-12-30
Abstract
Abstract A cord bushing includes a lid portion (2) hingedly connected to mate with an electrical terminal-retaining portion (1). The lid portion (2) has hingedly connected thereto retaining means (24) adapted to bear against a cord when the lid portion (2) mates with the terminal- retaining portion (1). A cord protector (6) is orthogonally oriented with respect to portions (1,2) so that the protector (6) extends parallel to the side of an appliance into which the bushing is inserted.
Inventors
- 👤 Hisataka Misu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:37
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/56; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49169
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
256 words
A cord bushing comprising: a main member having a first main member portion adapted to accommodate a portion of a cord and to retain terminals connected to said cord; a second main member portion, said second main member portion being hingedly connected to said first main member portion to mate with said first main member portion; wherein exterior portions of said first main member portion and said second main member portion each have recessed grooves thereon whereby said main member may be retained in an opening in an apparatus into which said cord bushing is inserted when said first and second main member portions are mated; wherein said second main member portion comprises retaining means hingedly connected to said second main member portion, whereby said retaining means pivots inwardly about said hinge to bear against said cord as said mated main member portions are being inserted into said opening in said apparatus, and wherein said retaining means has a portion of said recessed groove provided thereon, whereby said cord causes said retaining means to pivot outwardly and bear against said apparatus opening when said groove is aligned with said apparatus opening; and, cord protection means through which said cord extends, said cord protection means comprising a plurality of spaced apart, cord-surrounding members arranged to form a passage through which said cord extends, each of said cord-surrounding members being connected to an adjacent cord-surrounding member by linking members, said linking members being positioned at opposite points on each cord-surrounding member with respect to said cord extending therethrough.
Claim 2
Dependent Claim
256 words
A cord bushing comprising: a main member having a first main member portion adapted to accommodate a portion of a cord and to retain terminals connected to said cord; a second main member portion, said second main member portion being hingedly connected to said first main member portion to mate with said first main member portion; wherein exterior portions of said first main member portion and said second main member portion each have recessed grooves thereon whereby said main member may be retained in an opening in an apparatus into which said cord bushing is inserted when said first and second main member portions are mated; wherein said second main member portion comprises retaining means hingedly connected to said second main member portion, whereby said retaining means pivots inwardly about said hinge to bear against said cord as said mated main member portions are being inserted into said opening in said apparatus, and wherein said retaining means has a portion of said recessed groove provided thereon, whereby said cord causes said retaining means to pivot outwardly and bear against said apparatus opening when said groove is aligned with said apparatus opening; and, cord protection means through which said cord extends, said cord protection means comprising a plurality of spaced apart, cord-surrounding members arranged to form a passage through which said cord extends, each of said cord-surrounding members being connected to an adjacent cord-surrounding member by linking members, said linking members being positioned at opposite points on each cord-surrounding member with respect to said cord extending therethrough.
Claim 3
Dependent Claim
23 words
The cord bushing of claim 1, wherein said cord-surrounding members and said linking members of said cord protection means are comprised of plastic.
Claim 4
Dependent Claim
104 words
A cord bushing comprising: a first main member portion adapted to accommodate a portion of a cord and to retain terminals connected to said cord; a second main member portion hingedly connected to said first main member portion to permit said second main member portion to mate with said first main member portion; and, retaining means included on said second main member portion and hingedly connected thereto by a resilient hinge, whereby when said first main member portion mates with said second main member portion, said retaining means first bears against said cord and then resiliently pivots outwardly from said cord about said hinge.
Claim 5
Dependent Claim
104 words
A cord bushing comprising: a first main member portion adapted to accommodate a portion of a cord and to retain terminals connected to said cord; a second main member portion hingedly connected to said first main member portion to permit said second main member portion to mate with said first main member portion; and, retaining means included on said second main member portion and hingedly connected thereto by a resilient hinge, whereby when said first main member portion mates with said second main member portion, said retaining means first bears against said cord and then resiliently pivots outwardly from said cord about said hinge.
Claim 6
Dependent Claim
73 words
The cord bushing of claim 3, wherein an exterior portion of said retaining means has a recesed groove provided thereon, so that after said retaining means pivots inwardly to bear against said cord as said mated main member portions are being inserted into a bushing-receiving opening in an apparatus, said cord causes said retaining means to pivot outwardly and bear against said apparatus opening when said groove is aligned with said apparatus opening.
Claim 7
Dependent Claim
30 words
The cord bushing of claim 4, further comprising cord protection means through which said cord extends, said cord protection means being essentially orthogontally oriented with respect to said main member.
Claim 8
Dependent Claim
32 words
The cord bushing of claims 1 or 3, wherein said first main member portion and said second main member portion are provided with locking means to lock said portions in mating relationship.
Claim 9
Dependent Claim
21 words
The cord bushing of claims 1 or 3, wherein said main member and said cord protection means are comprised of plastic.
Claim 10
Dependent Claim
68 words
The cord bushing of claims 1 or 3, wherein said first main member portion has a cavity wherein said cord is accommodated, wherein cavity partitioning means is formed integral with said first main member portion to divide a portion of said cavity into two terminal-receiving channels, and wherein terminal retaining means partially extend into each of said terminal-receiving channels to retain said terminals in position in said channels.
Claim 11
Dependent Claim
12 words
The cord bushing of claims 8, wherein said terminals are female terminals.
Claim 12
Dependent Claim
12 words
The cord bushing of claim 8, wherein said terminals are male terminals.
Claim 13
Dependent Claim
32 words
The cord bushing of claim 8, wherein said terminal retaining means comprise projections integral with said cavity partitioning means, said projections oriented to extend into said channels and retain said terminals therebetween.
Claim 14
Dependent Claim
75 words
The cord bushing of claim 11, wherein said first main member portion has at least one projection formed thereon to bear in a first direction against said cord accommodated in said first main member, and wherein said retaining means of said second main member portion comprises a projection adapted to bear against said cord in a second direction opposite said first direction when said first main member portion and said second main member portion mate.
Claim 15
Independent Claim
218 words
A method of inserting and retaining an end of an electrical cord into a cord bushing, said end of the electrical cord having electrical terminals provided thereon, said method comprising the steps of: inserting said terminals connected to said cord through a passage formed in cord protection means, said cord protection means extending essentially orthogonally from a main member of said bushing; passing said terminals connected to said cord through an aperture in a terminal-receiving portion of said main member of said bushing; pulling a length of cord through said aperture in a direction essentially orthogonal to said main member of said bushing; bending said cord beginning at a point near said aperture so that said terminals on one end of said cord lie in terminal-receiving channels in said terminal-receiving portion of said cord bushing, with the result that said end of said cord connected to said terminals is oriented essentially orthogonally to a portion of said cord entering said passage in said cord protection means; securing said terminals between retaining means provided in said terminal-receiving channels; and, enclosing said terminals in said main member by mating said terminal-receiving portion of said main member with a lid portion of said main member, said lid portion of said main member being hingedly connected to said terminal receiving portion thereof.
Claim 16
Independent Claim
218 words
A method of inserting and retaining an end of an electrical cord into a cord bushing, said end of the electrical cord having electrical terminals provided thereon, said method comprising the steps of: inserting said terminals connected to said cord through a passage formed in cord protection means, said cord protection means extending essentially orthogonally from a main member of said bushing; passing said terminals connected to said cord through an aperture in a terminal-receiving portion of said main member of said bushing; pulling a length of cord through said aperture in a direction essentially orthogonal to said main member of said bushing; bending said cord beginning at a point near said aperture so that said terminals on one end of said cord lie in terminal-receiving channels in said terminal-receiving portion of said cord bushing, with the result that said end of said cord connected to said terminals is oriented essentially orthogonally to a portion of said cord entering said passage in said cord protection means; securing said terminals between retaining means provided in said terminal-receiving channels; and, enclosing said terminals in said main member by mating said terminal-receiving portion of said main member with a lid portion of said main member, said lid portion of said main member being hingedly connected to said terminal receiving portion thereof.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-03-29 | 1991-09-28 | 1992-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-03-29 | 1995-09-28 | 1996-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-03-29 | 1999-09-28 | 2000-03-29 | $7700.00 | Window Closed / Lapsed |