US2555503A - Trestle clamp - Google Patents

Trestle clamp Download PDF

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Publication number
US2555503A
US2555503A US73247A US7324749A US2555503A US 2555503 A US2555503 A US 2555503A US 73247 A US73247 A US 73247A US 7324749 A US7324749 A US 7324749A US 2555503 A US2555503 A US 2555503A
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Prior art keywords
clamp
trestle
wall
sawhorse
ears
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Expired - Lifetime
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US73247A
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Paul L Morton
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Individual
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Priority to US73247A priority Critical patent/US2555503A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/06—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby of trestle type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/49—Member deformed in situ
    • Y10T403/4974—Member deformed in situ by piercing

Definitions

  • This invention relates to an all purpose clamp for the purpose of mounting and holding the legs of a sawhorse or other supports, such as, a rack, a hoist frame, and the like.
  • An object of my invention is to provide a simple, inexpensive and eiective clamp, which is simple to manufacture and which will effectively hold the legs of a sawhorse, and the like, in an effective manner.
  • a feature of my invention is to provide a novel all purpose clamp, which can be easily fabricated to hold wooden timbers, such as legs of a sawhorse.
  • Figure 1 is a side elevation of my clamp.
  • Figure 2 is an end view of the same.
  • Figure 3 is a perspective view of one side of the clamp.
  • Figure 4 is a sectional view taken on line 4-4 of Figure 2.
  • my clamp consists of two complementary members, I and 2. These members are each formed of a suitable weight of metal and since they are substantially identical, only one will be described in detail.
  • Each half of the clamp consists of a U-shaped strip of metal, which is stamped from a plate sheet and then bent into a substantial U shape, as shown in Figure 3.
  • a pair of ears 3 and 4 are integrally formed in the sheet of metal and these ears provide a means to attach the sections I and 2 together.
  • a bolt or rivet 5 and 6 extends through the ears 3 and 4 respectively, thus securing the parts of the clamp together.
  • a lip 'I is bent horizontally across the top of the clamp sections I and 2, substantially as shown, and this lip acts as a stop for the leg timber 8 and to prevent the leg from moving upwardly through the clamp.
  • a wall 9 is Welded or otherwise xedly secured in the U shape structure of the clamp section I and acts as a side wall to support and conne the timber 8.
  • the inwardly bent portions of the clamp section I are formed with teeth I0 to engage and grip the horizontal timber I I, which is found in the usual sawhorse.
  • a bracket I2 extends between the legs of the sawhorse, or the like, to spread these legs the proper amount and to thus cause the teeth I0 to sink into the horizontal timber Il.
  • the ears 3 and 4 are each cut with a flat upper horizontal surface I3 and I4, which serve as a recess to conform to the shape of the horizontal timber I I.
  • a clamp for sawhorses and the like comprising a pair of complementary clamp members, each member consisting of integrally formed side and outer walls, a second wall spaced from the outer wall and substantially parallel thereto and ilXedly mounted between the side Walls whereby a socket is formed to receive the end of a supporting member, an ear formed on each of the said Walls of each clamp member, a rivet pin extending through the ears to hingedly secure the clamp member together, a stop lip formed at the top of said outer wall, said lip being bent at right angles and extending towards said second wall to act as a stop for the supporting member, and teeth formed on the inner edge of each of the sides oi" the clamp.

Description

June 5, 1951 p, MOR-[ON 2,555,503
TRESTLE CLAMP Filed Jan. 28, 1949 Patented June 5, 19541 Y UNITED STATES PATENT OFFICE TRESTLE CLAMP Paul L. Morton, Long Beach, Calif.
Application January 28, 1949, Serial No. 73,247
1 Claim.
This invention relates to an all purpose clamp for the purpose of mounting and holding the legs of a sawhorse or other supports, such as, a rack, a hoist frame, and the like.
An object of my invention is to provide a simple, inexpensive and eiective clamp, which is simple to manufacture and which will effectively hold the legs of a sawhorse, and the like, in an effective manner.
A feature of my invention is to provide a novel all purpose clamp, which can be easily fabricated to hold wooden timbers, such as legs of a sawhorse.
Other objects, advantages and features of invention may appear from the accompanying drawing, the subjoined detailed description and the appended claim.
In the drawing:
Figure 1 is a side elevation of my clamp.
Figure 2 is an end view of the same.
Figure 3 is a perspective view of one side of the clamp.
Figure 4 is a sectional view taken on line 4-4 of Figure 2.
Referring more particularly to the drawing, my clamp consists of two complementary members, I and 2. These members are each formed of a suitable weight of metal and since they are substantially identical, only one will be described in detail.
Each half of the clamp consists of a U-shaped strip of metal, which is stamped from a plate sheet and then bent into a substantial U shape, as shown in Figure 3. A pair of ears 3 and 4 are integrally formed in the sheet of metal and these ears provide a means to attach the sections I and 2 together. A bolt or rivet 5 and 6 extends through the ears 3 and 4 respectively, thus securing the parts of the clamp together.
A lip 'I is bent horizontally across the top of the clamp sections I and 2, substantially as shown, and this lip acts as a stop for the leg timber 8 and to prevent the leg from moving upwardly through the clamp. A wall 9 is Welded or otherwise xedly secured in the U shape structure of the clamp section I and acts as a side wall to support and conne the timber 8. The inwardly bent portions of the clamp section I are formed with teeth I0 to engage and grip the horizontal timber I I, which is found in the usual sawhorse. A bracket I2 extends between the legs of the sawhorse, or the like, to spread these legs the proper amount and to thus cause the teeth I0 to sink into the horizontal timber Il.
The ears 3 and 4 are each cut with a flat upper horizontal surface I3 and I4, which serve as a recess to conform to the shape of the horizontal timber I I.
Having described my invention, I claim:
A clamp for sawhorses and the like, comprising a pair of complementary clamp members, each member consisting of integrally formed side and outer walls, a second wall spaced from the outer wall and substantially parallel thereto and ilXedly mounted between the side Walls whereby a socket is formed to receive the end of a supporting member, an ear formed on each of the said Walls of each clamp member, a rivet pin extending through the ears to hingedly secure the clamp member together, a stop lip formed at the top of said outer wall, said lip being bent at right angles and extending towards said second wall to act as a stop for the supporting member, and teeth formed on the inner edge of each of the sides oi" the clamp.
PAUL L. MORTON.
REFERENCES CITED The following references are of record in the le of this patent:
UNITED STATES PATENTS Number Name Date 1,893,165 Fortune Jan. 3, 1933 2,112,778 Kacena Mar. 291, 1938 2,136,420 Edwards Nov. 15, 1938 2,213,008 Kinninger Aug. 27, 1940 2,261,217 Bond Nov. 4, 1941
US73247A 1949-01-28 1949-01-28 Trestle clamp Expired - Lifetime US2555503A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US73247A US2555503A (en) 1949-01-28 1949-01-28 Trestle clamp

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Application Number Priority Date Filing Date Title
US73247A US2555503A (en) 1949-01-28 1949-01-28 Trestle clamp

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US2555503A true US2555503A (en) 1951-06-05

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2819931A (en) * 1954-07-06 1958-01-14 Frank A Droesch Sawhorse toggle clamp
US2829012A (en) * 1958-04-01 Hardware for connecting the legs of a sawhorse
US2897912A (en) * 1957-05-03 1959-08-04 Jo W Tucker Portable trestle
US2973053A (en) * 1957-01-03 1961-02-28 Harrison Cropsaver Co Trestle leg connecting unit
US3078956A (en) * 1962-04-04 1963-02-26 Larson Co Charles O Collapsible sawhorse bracket assembly
US3078957A (en) * 1962-04-04 1963-02-26 Larson Co Charles O Collapsible sawhorse bracket assembly
US4189247A (en) * 1978-07-20 1980-02-19 Burwall Sten B Structural connector
US4461370A (en) * 1983-07-11 1984-07-24 Action Group, Inc. Collapsible sawhorse bracket
US4506761A (en) * 1983-03-28 1985-03-26 Brown James M Sawhorse frame with strong clamping action and compact folding feature

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1893165A (en) * 1928-09-19 1933-01-03 Fortune James Mcintyre Apparatus for erecting staging, platforms, and the like
US2112778A (en) * 1937-12-02 1938-03-29 Joseph F Kacena Trestle
US2136420A (en) * 1936-11-27 1938-11-15 Charles L Edwards Collapsible trestle
US2213008A (en) * 1939-02-16 1940-08-27 Carl A Kinninger Trestle
US2261217A (en) * 1939-10-21 1941-11-04 Wagner Mfg Company Trestle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1893165A (en) * 1928-09-19 1933-01-03 Fortune James Mcintyre Apparatus for erecting staging, platforms, and the like
US2136420A (en) * 1936-11-27 1938-11-15 Charles L Edwards Collapsible trestle
US2112778A (en) * 1937-12-02 1938-03-29 Joseph F Kacena Trestle
US2213008A (en) * 1939-02-16 1940-08-27 Carl A Kinninger Trestle
US2261217A (en) * 1939-10-21 1941-11-04 Wagner Mfg Company Trestle

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2829012A (en) * 1958-04-01 Hardware for connecting the legs of a sawhorse
US2819931A (en) * 1954-07-06 1958-01-14 Frank A Droesch Sawhorse toggle clamp
US2973053A (en) * 1957-01-03 1961-02-28 Harrison Cropsaver Co Trestle leg connecting unit
US2897912A (en) * 1957-05-03 1959-08-04 Jo W Tucker Portable trestle
US3078956A (en) * 1962-04-04 1963-02-26 Larson Co Charles O Collapsible sawhorse bracket assembly
US3078957A (en) * 1962-04-04 1963-02-26 Larson Co Charles O Collapsible sawhorse bracket assembly
US4189247A (en) * 1978-07-20 1980-02-19 Burwall Sten B Structural connector
US4506761A (en) * 1983-03-28 1985-03-26 Brown James M Sawhorse frame with strong clamping action and compact folding feature
US4461370A (en) * 1983-07-11 1984-07-24 Action Group, Inc. Collapsible sawhorse bracket

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