Patent US731123A successfully refreshed from Google Patents.
Patent US5078532A successfully refreshed from Google Patents.
US5078532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scaffold connection
Assignee: EXCEL MODULAR SCAFFOLD & LEASING Co
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Filing: 1991-06-13
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Granted: 1992-01-07
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Expires: 2011-06-13
Abstract
Abstract An improved scaffold connection is provided, comprising a first ring member having an upper side and a lower side, fixedly attachable to a vertical scaffold member; a connector body having a first end, a second end, a top, a bottom and sides, fixedly attachable at its second end to one end of a horizontal scaffold member having an upper surface, the connector body including a section for attachment of the connector body to the upper side of the first ring member, extending from the first end of the connector body; a cavity, extending through the body and opening exterior of the body at a first opening in the first end and a second opening in the second end; and a support element fixedly positioned in the cavity, the support element having a curved support surface; and a latch member, positioned in the cavity and having a first end extending through the first opening, the latch member being pivotal within the cavity and having a curved base section, matingly slidable on and supported by the support surface.
Inventors
- 👤 Joe W. Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:22
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/30; E04G7/302; E04G7/306; E04G7/308; F; F16; F16B; F16B7/00; F16B7/22; Y; Y10; Y10T; Y10T403/00; Y10T403/30; Y10T403/34; Y10T403/341; Y10T403/345
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
188 words
An improved scaffold connection, comprising: a. a first ring member having an upper side and a lower side, fixedly attachable to a vertical scaffold member; b. a connector body having a first end, a second end, a top, a bottom and sides, fixedly attachable at said second end to one end of a horizontal scaffold member having an upper surface, said connector body including: i. a means for attachment of said connector body to said upper side of said first ring member, extending from said first end of said connector body; ii. a cavity, extending through said body and opening exterior of said body at a first opening in said first end; and iii. a support element fixedly positioned in said cavity said support element having a curved support surface; and b. a latch member, positioned in said cavity and having a first end extending through said first opening and adapted so as to be positionable below said lower side of said first ring member, said latch member being pivotal within said cavity and having a curved base section, matingly slidable on and supported by said support surface.
Claim 2
Dependent Claim
188 words
An improved scaffold connection, comprising: a. a first ring member having an upper side and a lower side, fixedly attachable to a vertical scaffold member; b. a connector body having a first end, a second end, a top, a bottom and sides, fixedly attachable at said second end to one end of a horizontal scaffold member having an upper surface, said connector body including: i. a means for attachment of said connector body to said upper side of said first ring member, extending from said first end of said connector body; ii. a cavity, extending through said body and opening exterior of said body at a first opening in said first end; and iii. a support element fixedly positioned in said cavity said support element having a curved support surface; and b. a latch member, positioned in said cavity and having a first end extending through said first opening and adapted so as to be positionable below said lower side of said first ring member, said latch member being pivotal within said cavity and having a curved base section, matingly slidable on and supported by said support surface.
Claim 3
Dependent Claim
73 words
An improved scaffold connection according to claim 1, further comprising: c. a second ring member having an upper side and a lower side, fixedly attachable to said vertical scaffold member at a point spaced below said first ring member; and wherein said connector body further includes: iv. a means for attachment of said connector body to said upper side of said second ring member, extending from said first end of said connector body.
Claim 4
Dependent Claim
33 words
An improved scaffold connection according to claim 1, further comprising: c. a resilient means for urging said latch member toward said support surface, operably attached to said connector body and said latch member.
Claim 5
Dependent Claim
41 words
An improved scaffold connection according to claim 1, wherein said cavity opens exterior of said body at a second opening in said second end of said connector body and said latch means includes a second end extending through said second opening.
Claim 6
Dependent Claim
108 words
An improved scaffold connection according to claim 2, wherein said means for attachment of said connector body to said upper side of said first ring member includes a first hook portion and said means for attachment of said connector body to said upper side of said second ring member includes a second hook portion, said second hook portion having an end extending to a point below said bottom of said connector body, and wherein said connector body further includes: v. an alignment socket positioned on said top of said connector body and adapted to receive said end of said lower hook portion of a second said scaffold connection.
Claim 7
Dependent Claim
53 words
An improved scaffold connection according to claim 1, wherein said connector body further includes: iv. a stabilizer flange extending from one said side of said connector body; and v. a retainer flange, adapted to receive an adjacent said stabilizer flange, extending from the opposite side of said connector body from said stabilizer flange.
Claim 8
Dependent Claim
45 words
An improved scaffold connection according to claim 1, wherein said connector body is attachable to said horizontal scaffold member at a point on said connector body such that said top of said connector body is level with said upper surface of said horizontal scaffold member.
Claim 9
Dependent Claim
41 words
An improved scaffold connection according to claim 1, wherein said connector body is provided with an abutment means for supporting said connector body against said vertical scaffold member, extending from said first end of said connector body below said latch means.
Claim 10
Dependent Claim
53 words
An improved scaffold connection according to claim 5, wherein said connector body further includes: vi. a stabilizer flange extending from one said side of said connector body; and vii. a retainer flange, adapted to receive an adjacent said stabilizer flange, extending from the opposite side of said connector body from said stabilizer flange.
Claim 11
Dependent Claim
15 words
An improved scaffold connection according to claim 3, wherein said resilient means includes a spring.
Claim 12
Dependent Claim
24 words
An improved scaffold connection according to claim 1, wherein said support surface is concave with respect to said base section of said latch member.
Claim 13
Dependent Claim
42 words
An improved scaffold connection according to claim 1, wherein said latch member is provided with a notch above said base section, and wherein said connector body includes a latch pin positioned between said sides and within said notch of said latch member.
Claim 14
Dependent Claim
35 words
An improved scaffold connection according to claim 1, wherein said latch member is adapted so as to rest against said vertical scaffold member just below said first ring member when said scaffold connection is assembled.
References Cited (Backward Citations)
US835280A
Cited
US3179212A
Cited
US3195735A
Cited
US3268252A
Cited
GB1163533A
Cited
US3490189A
Cited
US3482873A
Cited
GB1310529A
Cited
US3817641A
Cited
US3880533A
Cited
US3879143A
Cited
US3992118A
Cited
US4044523A
Cited
US4039264A
Cited
US4090798A
Cited
FR2352194A1
Cited
US4180342A
Cited
NL7801928A
Cited
US4273463A
Cited
US4369859A
Cited
US4445307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-01-06 | 1995-07-08 | 1996-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-01-06 | 1999-07-08 | 2000-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-01-06 | 2003-07-08 | 2004-01-07 | $7700.00 | Window Closed / Lapsed |