Patent US4372224A successfully refreshed from Google Patents.
US4372224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knockdown furniture construction
Assignee: WEDGELOCK MANUFACTURING Co A CORP OF TX
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Filing: 1980-02-07
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Granted: 1983-02-08
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Expires: 2000-02-07
Abstract
Abstract A knockdown furniture construction includes a member having recesses therein, a support structure having shoulders received in the recesses and configurations mating therewith, and separable fasteners for connecting the member with the support structure having strips of complementary gripping elements secured in the recesses of the member and on the shoulders of the support structure such that the mating configurations of the shoulders and recesses reinforces the connection of the complementary gripping elements to provide a sturdy furniture construction capable of being assembled and disassembled without tools or special hardware.
Inventors
- 👤 Richard A. Ehrlich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:39
CPC Classifications
A; A47; A47B; A47B3/00; A47B3/06; A47B13/00; A47B13/003; F; F16; F16B; F16B12/00; F16B12/10; F16B12/12; A47B2200/00; A47B2200/0011; A47B2200/0013; A47B2200/0014; A47B2200/002; A47B2200/0028; A47B2230/00; A47B2230/0003; A47B2230/0011; Y; Y10; Y10S; Y10S297/00; Y10S297/06
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
173 words
A knockdown furniture construction comprising: a member having a generally rectangular configuration said member having a lower surface with a longitudinal recess formed at each end therof; a pair of spaced apart generally I-shaped legs for supporting said member, each of said legs including an upper shoulder having a configuration mating with the configuration of said longitudinal recess at each end of said member for receivably mounting said upper shoulder therein; and, separable fastener means for connecting said member with said legs including first and second complementary strips of gripping elements, said first strip of gripping elements being secured to said member within said longitudinal recess at a base thereof and said second strip of gripping elements being secured to said legs on an upper surface of said upper shoulder whereby said member can be sturdily but separably assembled with said legs when said second strip of gripping elements is in full face contact with said second strip of complementary gripping elements upon mating engagement of said upper shoulder with said longitudinal recess.
Claim 2
Dependent Claim
173 words
A knockdown furniture construction comprising: a member having a generally rectangular configuration said member having a lower surface with a longitudinal recess formed at each end therof; a pair of spaced apart generally I-shaped legs for supporting said member, each of said legs including an upper shoulder having a configuration mating with the configuration of said longitudinal recess at each end of said member for receivably mounting said upper shoulder therein; and, separable fastener means for connecting said member with said legs including first and second complementary strips of gripping elements, said first strip of gripping elements being secured to said member within said longitudinal recess at a base thereof and said second strip of gripping elements being secured to said legs on an upper surface of said upper shoulder whereby said member can be sturdily but separably assembled with said legs when said second strip of gripping elements is in full face contact with said second strip of complementary gripping elements upon mating engagement of said upper shoulder with said longitudinal recess.
Claim 3
Dependent Claim
21 words
A knockdown furniture construction as recited in claim 1 wherein said upper shoulder and said longitudinal recess have substantially rectangular configurations.
Claim 4
Dependent Claim
37 words
a knockdown furniture construction as recited in claim 1, wherein: said member has a horizontal support surface; said legs extend transverse to said support surface; and, a cross rail extending transversely between and secured to said legs.
Claim 5
Dependent Claim
62 words
A knockdown furniture construction as recited in claim 3 wherein: said legs are formed having female connectors having spaced apertures therein; and, said cross rail has a male connector at each end thereof, said male connectors having wedge-like lugs extending therefrom to be received in said spaced apertures in said female connectors to lock said cross rail in place between said legs.
Claim 6
Dependent Claim
38 words
A knockdown furniture construction as recited in claim 1 wherein: said first and second strips of complimentary gripping elements are secured in said longitudinal recesses of said member and said upper shoulders of said legs by an adhesive.
Claim 7
Dependent Claim
37 words
A knockdown furniture construction as recited in claim 5 and further including: staples securing said first and second strips of complementary gripping elements to said longitudinal recesses of said member and said upper shoulders of said legs.
References Cited (Backward Citations)
US1520520A
Cited
US2615770A
Cited
FR1317281A
Cited
US3194407A
Cited
US3455589A
Cited
US3533363A
Cited
US3658107A
Cited
US3929375A
Cited
US4271566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-02-07 | 1986-08-09 | 1987-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-02-07 | 1990-08-09 | 1991-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-02-07 | 1994-08-09 | 1995-02-08 | $7700.00 | Window Closed / Lapsed |