US3640576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furniture construction
Assignee: BRUCE HANNAH TRUST
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Filing: 1970-06-08
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Granted: 1972-02-08
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Expires: 1990-06-08
Abstract
Abstract An article of furniture utilizing two identical sidepiece members and two identical stretcher members. The sidepiece and stretcher members are laterally coupled together such that upon pivotal movement of the stretcher members in one direction, the sidepiece members move toward each other and can be disengaged, and upon pivotal stretcher movement in the opposite direction, the sidepiece members move away from each other and become locked together. A piece of fabric is positioned between the two sidepiece members and is tensioned by appropriate pivotal movement of the stretcher members.
Inventors
- 👤 Andrew Ivar Morrison
- 👤 Bruce R Hannah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:31
CPC Classifications
A; A47; A47C; A47C4/00; A47C4/02; A47C4/028; A47C31/00; A47C31/02; A47C31/023; A47C5/00; A47C5/12; A47C7/00; A47C7/02; A47C7/16; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7005; Y10T403/7007
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
161 words
Furniture construction comprising a sidepiece member, a stretcher member, and means laterally locking the members together while permitting relative lateral movement of the members upon pivotal movement of the stretcher member about an axis extending laterally from the sidepiece member, said locking means comprising an opening in one of the members to receive a part of the other member, said part of said other member comprising a hub which is received in the opening in said one member, said hub and said opening being generally cylindrically shaped, one of the hub and said opening including a channel in the surface thereof, at least one projection included on the other of said hub surface and opening surface and engaged by said channel, the channel including a portiOn which is skewed with respect to a plane perpendicular to said lateral axis so that, upon pivotal movement of the stretcher member about said axis, the sidepiece and stretcher members undergo said relative lateral movement.
Claim 2
Dependent Claim
161 words
Furniture construction comprising a sidepiece member, a stretcher member, and means laterally locking the members together while permitting relative lateral movement of the members upon pivotal movement of the stretcher member about an axis extending laterally from the sidepiece member, said locking means comprising an opening in one of the members to receive a part of the other member, said part of said other member comprising a hub which is received in the opening in said one member, said hub and said opening being generally cylindrically shaped, one of the hub and said opening including a channel in the surface thereof, at least one projection included on the other of said hub surface and opening surface and engaged by said channel, the channel including a portiOn which is skewed with respect to a plane perpendicular to said lateral axis so that, upon pivotal movement of the stretcher member about said axis, the sidepiece and stretcher members undergo said relative lateral movement.
Claim 3
Dependent Claim
55 words
Furniture construction according to claim 1, in which the opening is in the sidepiece member, said opening being large enough to receive two of such stretcher members positioned end to end in order to gang together the stretcher members, with each stretcher member laterally locked to the sidepiece member to achieve said relative lateral movement.
Claim 4
Dependent Claim
34 words
Furniture construction according to claim 7, in which there are two projections extending into the opening and spaced substantially opposite each other, and there are two of such channel portions for engaging the projections.
Claim 5
Dependent Claim
132 words
Furniture construction comprising a sidepiece member, a stretcher member, and means laterally locking the members together while permitting relative lateral movement of the members upon pivotal movement of the stretcher member about an axis extending laterally from the sidepiece member, including a second sidepiece member, said stretcher member joining together said two sidepiece members and coupled to each for outward relative movement of the sidepiece members upon said pivotal movement of the stretcher member in one direction and inward relative movement of the sidepiece members upon said pivotal stretcher member movement in an opposite direction, each sidepiece member including a channel therein for retaining the side edge of a piece of fabric which is stretched between the two sidepiece members, the fabric being appropriately tensioned by pivotal movement of the stretcher member.
Claim 6
Dependent Claim
132 words
Furniture construction comprising a sidepiece member, a stretcher member, and means laterally locking the members together while permitting relative lateral movement of the members upon pivotal movement of the stretcher member about an axis extending laterally from the sidepiece member, including a second sidepiece member, said stretcher member joining together said two sidepiece members and coupled to each for outward relative movement of the sidepiece members upon said pivotal movement of the stretcher member in one direction and inward relative movement of the sidepiece members upon said pivotal stretcher member movement in an opposite direction, each sidepiece member including a channel therein for retaining the side edge of a piece of fabric which is stretched between the two sidepiece members, the fabric being appropriately tensioned by pivotal movement of the stretcher member.
Claim 7
Dependent Claim
107 words
Furniture construction comprising sidepiece member, a stretcher member, and means laterally locking the members together while permitting relative lateral movement of the members upon pivotal movement of the stretcher member about an axis extending laterally from the sidepiece member, including a second sidepiece member, said stretcher member joining together said two sidepiece members and coupled to each for outward relative movement of the sidepiece members upon said pivotal movement of the stretcher member in one direction and inward relative movement of the sidepiece members upon said pivotal stretcher member movement in an opposite direction, including another one of such stretcher members laterally locked with two sidepiece members.
Claim 8
Dependent Claim
107 words
Furniture construction comprising sidepiece member, a stretcher member, and means laterally locking the members together while permitting relative lateral movement of the members upon pivotal movement of the stretcher member about an axis extending laterally from the sidepiece member, including a second sidepiece member, said stretcher member joining together said two sidepiece members and coupled to each for outward relative movement of the sidepiece members upon said pivotal movement of the stretcher member in one direction and inward relative movement of the sidepiece members upon said pivotal stretcher member movement in an opposite direction, including another one of such stretcher members laterally locked with two sidepiece members.
Claim 9
Dependent Claim
111 words
Furniture construction comprising a sidepiece member, a stretcher member, and means laterally locking the members together while permitting relative lateral movement of the members upon pivotal movement of the stretcher member about an axis extending laterally from the sidepiece member, including a second sidepiece member, said stretcher member joining together said two sidepiece members and coupled to each for outward relative movement of the sidepiece members upon said pivotal movement of the stretcher member in one direction and inward relative movement of the sidepiece members upon said pivotal stretcher member movement in an opposite direction, each sidepiece member including an opening therein to receive a corresponding end of the stretcher member.
Claim 10
Dependent Claim
111 words
Furniture construction comprising a sidepiece member, a stretcher member, and means laterally locking the members together while permitting relative lateral movement of the members upon pivotal movement of the stretcher member about an axis extending laterally from the sidepiece member, including a second sidepiece member, said stretcher member joining together said two sidepiece members and coupled to each for outward relative movement of the sidepiece members upon said pivotal movement of the stretcher member in one direction and inward relative movement of the sidepiece members upon said pivotal stretcher member movement in an opposite direction, each sidepiece member including an opening therein to receive a corresponding end of the stretcher member.
Claim 11
Dependent Claim
29 words
Furniture construction according to claim 6, in which each end of the stretcher member comprises an end hub which is received in the opening in the corresponding sidepiece member.
Claim 12
Dependent Claim
35 words
Furniture construction according to claim 7, in which each sidepiece member includes at least one projection extending into the opening thereof to be engaged by a portion of the stretcher member hub that interfits therewith.
Claim 13
Dependent Claim
37 words
Furniture construction according to claim 8, in which the interfitting portion of each hub comprises a channel in the hub which includes a portion which is skewed with respect to a plane perpendicular to said lateral axis.
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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) | 1975-02-07 | 1975-08-09 | 1976-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-07 | 1979-08-09 | 1980-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-07 | 1983-08-09 | 1984-02-08 | $7700.00 | Window Closed / Lapsed |