US4007929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible game racket
Assignee: Individual
•
Filing: 1975-04-18
•
Granted: 1977-02-15
•
Expires: 1995-04-18
Abstract
Abstract A collapsible game racket of generally two-piece construction for tennis or other like sports requiring a head portion having strings and a connecting handle portion. The head and handle portions are detachably connected within the throat area by means of an interlocking and mutually cooperatively associated male and female elements which are fixedly retained in place to the handle and head portions.
Inventors
- 👤 Rubin Figa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:09
CPC Classifications
A; A63; A63B; A63B49/00; A63B49/02; A63B49/035; A63B60/00; A63B60/06; A63B60/08; A63B60/10; A63B60/50; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7005
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
292 words
A collapsible racket for tennis or the like, comprising: a head portion having a frame terminating in a throat area; a handle portion having a gripping area at one end thereof; a male locking element positioned generally in said throat area and being generally axially disposed in one of said portions, said male locking element having an extending portion, said extending portion having a key transversely disposed across a distal end portion thereof, said key being a magnetic piece; a female locking element, which is mutually cooperatively associated with said male locking element, positioned generally in said throat area and being generally axially disposed in the other of said portions said female locking element having a first recess means interengageable with said extending portion, said female locking element having a female keyway element axially disposed in said first recess means and said female keyway element having means thereon operatively associated with pin means, which extend through said female keyway element, for limiting the axial movement of said female keyway element, said female keyway element having a keyway transverse of its top surface, said keyway facing toward said one of said portions, said keyway being engageable with said key for precluding rotational movement of said male locking element, said keyway being a magnetic piece; and biasing means being axially disposed in either said handle portion or said head portion, said biasing means constantly urging said head and handle portions together when said head and handle portions are interconnected together, and said biasing means constantly urging said female keyway element toward said one of said portions; whereby said head and handle portions are locked together as an assembled unit and whereby rotational and axial movements between said male and female locking elements are precluded.
Claim 2
Dependent Claim
292 words
A collapsible racket for tennis or the like, comprising: a head portion having a frame terminating in a throat area; a handle portion having a gripping area at one end thereof; a male locking element positioned generally in said throat area and being generally axially disposed in one of said portions, said male locking element having an extending portion, said extending portion having a key transversely disposed across a distal end portion thereof, said key being a magnetic piece; a female locking element, which is mutually cooperatively associated with said male locking element, positioned generally in said throat area and being generally axially disposed in the other of said portions said female locking element having a first recess means interengageable with said extending portion, said female locking element having a female keyway element axially disposed in said first recess means and said female keyway element having means thereon operatively associated with pin means, which extend through said female keyway element, for limiting the axial movement of said female keyway element, said female keyway element having a keyway transverse of its top surface, said keyway facing toward said one of said portions, said keyway being engageable with said key for precluding rotational movement of said male locking element, said keyway being a magnetic piece; and biasing means being axially disposed in either said handle portion or said head portion, said biasing means constantly urging said head and handle portions together when said head and handle portions are interconnected together, and said biasing means constantly urging said female keyway element toward said one of said portions; whereby said head and handle portions are locked together as an assembled unit and whereby rotational and axial movements between said male and female locking elements are precluded.
Claim 3
Dependent Claim
19 words
The collapsible racket according to claim 1, wherein said key and said keyway are attracted to each other magnetically.
Claim 4
Dependent Claim
292 words
A collapsible racket for tennis or the like, comprising: a head portion having a frame terminating in a throat area; a handle portion having a gripping area at one end thereof; a male locking element positioned generally in said throat area and being generally axially disposed in one of said portions, said male locking element having an extending portion; a distal end portion of said male locking element rigidly fastened to said extending portion, said distal end portion having a key transversely disposed across it; a female locking element, which is mutually cooperatively associated with said male locking element, positioned generally in said throat area and being generally axially disposed in the other of said portions, said female locking element having a first recess means interengageable with said extending portion, said female locking element having a female keyway element axially disposed in said first recess means and said female keyway element having means thereon operatively associated with pin means, which extend through said female keyway element, for limiting the axial movement of said female keyway element, said female keyway element having a keyway transverse of its top surface, said keyway facing toward said one of said portions, said keyway being engageable with said key for precluding rotational movement of said male locking element; and biasing means being axially disposed in either said handle portion or said head portion, said biasing means constantly urging said head and handle portions together when said head and handle portions are interconnected together, and said biasing means constantly urging said female keyway element toward said one of said portions whereby said head and handle portions are locked together as an assembled unit and whereby rotational and axial movements between said male and female locking elements are precluded.
Claim 5
Dependent Claim
292 words
A collapsible racket for tennis or the like, comprising: a head portion having a frame terminating in a throat area; a handle portion having a gripping area at one end thereof; a male locking element positioned generally in said throat area and being generally axially disposed in one of said portions, said male locking element having an extending portion; a distal end portion of said male locking element rigidly fastened to said extending portion, said distal end portion having a key transversely disposed across it; a female locking element, which is mutually cooperatively associated with said male locking element, positioned generally in said throat area and being generally axially disposed in the other of said portions, said female locking element having a first recess means interengageable with said extending portion, said female locking element having a female keyway element axially disposed in said first recess means and said female keyway element having means thereon operatively associated with pin means, which extend through said female keyway element, for limiting the axial movement of said female keyway element, said female keyway element having a keyway transverse of its top surface, said keyway facing toward said one of said portions, said keyway being engageable with said key for precluding rotational movement of said male locking element; and biasing means being axially disposed in either said handle portion or said head portion, said biasing means constantly urging said head and handle portions together when said head and handle portions are interconnected together, and said biasing means constantly urging said female keyway element toward said one of said portions whereby said head and handle portions are locked together as an assembled unit and whereby rotational and axial movements between said male and female locking elements are precluded.
Claim 6
Dependent Claim
16 words
The collapsible racket according to claim 3, wherein said key and said keyway comprise magnetic pieces.
Claim 7
Dependent Claim
19 words
The collapsible racket according to claim 4, wherein said key and said keyway are attracted to each other magnetically.
References Cited (Backward Citations)
US1130726A
Cited
US1199690A
Cited
US1332898A
Cited
GB285690A
Cited
GB325427A
Cited
DE1903722A1
Cited
US3601399A
Cited
US3815380A
Cited
US3854832A
Cited
US3833218A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-02-15 | 1980-08-16 | 1981-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-15 | 1984-08-16 | 1985-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-15 | 1988-08-16 | 1989-02-15 | $7700.00 | Window Closed / Lapsed |