Patent US5028164A successfully refreshed from Google Patents.
US5028164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scaffold connection
Assignee: EXCEL MODULAR SCAFFOLD & LEASING Co
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Filing: 1990-09-13
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Granted: 1991-07-02
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Expires: 2010-09-13
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 portion for attachment of the connector body to the upper side of the first ring member, the portion 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 latch member, positioned in the cavity and having a first end extending through the first opening, the latch member being pivotal within the cavity such that the first end is positionable below the lower side of the first ring member.
Inventors
- 👤 Joe W. Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:44
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: 16
Claim 1
Independent Claim
194 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 connectors 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; c. a latch member, positioned in said cavity and having a first end extending through said first opening, said latch member being pivotal within said cavity such that said first end is positionable below said lower side of said first ring member; and wherein said connector body further includes a support surface positioned beneath said latch member, and wherein said latch member bears against said support surface when said first end is positioned below said lower side of said first ring member.
Claim 2
Dependent Claim
194 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 connectors 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; c. a latch member, positioned in said cavity and having a first end extending through said first opening, said latch member being pivotal within said cavity such that said first end is positionable below said lower side of said first ring member; and wherein said connector body further includes a support surface positioned beneath said latch member, and wherein said latch member bears against said support surface when said first end is positioned below said lower side of said first ring member.
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 through said first opening, operably attached to said connector body and said latch member.
Claim 5
Dependent Claim
37 words
An improved scaffold connection according to claim 1, wherein said cavity opens to 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
37 words
An improved scaffold connection according to claim 1, wherein said cavity opens to 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 7
Dependent Claim
34 words
An improved scaffold connection according to claim 1, further comprising: c. a means for retaining said latch member in position below said lower side of said first ring member, attached to said connector body.
Claim 8
Dependent Claim
47 words
An improved scaffold connection according to claim 1, wherein said connector body further includes: iv. a stacking lug, protruding from said bottom of said connector body; and v. a lug alignment socket having the same shape as said lug, positioned in said top of said connector body.
Claim 9
Dependent Claim
53 words
An improved scaffold connection according to claim 7, 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 10
Dependent Claim
54 words
An improved scaffold connection according to claim 5, wherein said latch member is provided with a curved base section abutting said support surface of said connector body and said first end of said latch member is provided with a cam surface which is selectively engageable with said lower side of said first ring member.
Claim 11
Dependent Claim
53 words
An improved scaffold connection according to claim 5, wherein said lower side of said first ring member is provided with PG,14 a downwardly protruding annular flange, and wherein said first end of said latch member is provided with a hook section which is engageable with said annular flange of said first ring member.
Claim 12
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 13
Dependent Claim
23 words
An improved scaffold connection according to claim 1, wherein said connector body is provided with a toe board support socket in said top.
Claim 14
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 15
Dependent Claim
191 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; and ii. a cavity, extending through said body and opening exterior of said body at a first opening in said first end; and c. a latch member, positioned in said cavity and having a first end extending through said first opening, said latch member being pivotal within said cavity such that said first end is positionable below said lower side of said first ring member; and wherein said first end of said latch member is adapted so as to bear against said vertical scaffold member when said first end is positioned below said lower side of said first ring member.
Claim 16
Dependent Claim
191 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; and ii. a cavity, extending through said body and opening exterior of said body at a first opening in said first end; and c. a latch member, positioned in said cavity and having a first end extending through said first opening, said latch member being pivotal within said cavity such that said first end is positionable below said lower side of said first ring member; and wherein said first end of said latch member is adapted so as to bear against said vertical scaffold member when said first end is positioned below said lower side of said first ring member.
References Cited (Backward Citations)
FR2352194A1
Cited
NL7801928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-07-01 | 1994-12-31 | 1995-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-07-01 | 1998-12-31 | 1999-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-07-01 | 2002-12-31 | 2003-07-02 | $7700.00 | Window Closed / Lapsed |