US140852A - Improvement in clamps - Google Patents

Improvement in clamps Download PDF

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Publication number
US140852A
US140852A US140852DA US140852A US 140852 A US140852 A US 140852A US 140852D A US140852D A US 140852DA US 140852 A US140852 A US 140852A
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United States
Prior art keywords
clamps
improvement
worcester
clamp
massachusetts
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Expired - Lifetime
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
    • B25B5/00—Clamps
    • B25B5/06—Arrangements for positively actuating jaws
    • B25B5/10—Arrangements for positively actuating jaws using screws
    • B25B5/102—Arrangements for positively actuating jaws using screws with at least one jaw sliding along a bar

Definitions

  • My invention relates to a combination of the parts a, b, and c constituting an adjustable clamp.
  • a represents the bar of4 the clamp, upon which the piece b moves freely when any force is applied to it directly.
  • the piece c is connected to b by a joint, e, about which it may have. an angular motion.
  • the clamp is used as follows, with the screw d turned back: The object to be held is placed against the face m, when the pieces b and c are, together, pushed along the bar c until m'

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)

Description

y E. slNcLAm.
Clamps.
Patented July 15, 1873'.
Imrevfov @MW .M M MW, rw M 8, ,m QM, m w M.
AM PHaToi/ma sRAPH/c ca N. wasaomvs's Pnacfsss l v UNITED STATES PATENT GEEICE.
JOHN E. SINCLAIE, OF WORCESTER, MASSACHUSETTS.
IMPROVEMENT IN CLAMPS.
Specification formn gpart of Letters Patent No. 140,@52, dated July 15, 1873 application iled November 11, 1872.
To all whom 'it may concern:
Be it known that I, J oEN E. SINCLAIR, of Worcester, in the county of Worcester and State of Massachusetts, have invented certain Improvements in Clamps, of which the following is a specification:
My invention relates to a combination of the parts a, b, and c constituting an adjustable clamp.
a represents the bar of4 the clamp, upon which the piece b moves freely when any force is applied to it directly. The piece c is connected to b by a joint, e, about which it may have. an angular motion.
The clamp is used as follows, with the screw d turned back: The object to be held is placed against the face m, when the pieces b and c are, together, pushed along the bar c until m'
US140852D Improvement in clamps Expired - Lifetime US140852A (en)

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US140852A true US140852A (en) 1873-07-15

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691201A (en) * 1946-01-15 1954-10-12 Adrian M Matthews Wave guide clamp
US3380730A (en) * 1965-04-15 1968-04-30 Carver & Co Eng Workpiece clamping devices
US3383101A (en) * 1965-04-30 1968-05-14 Albert Herman Adjustable clamp
US3441265A (en) * 1966-10-28 1969-04-29 Herman Albert Adjustable clamp
US3736816A (en) * 1971-02-24 1973-06-05 L Mcafee Automotive wheel suspension ball joint tongs

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691201A (en) * 1946-01-15 1954-10-12 Adrian M Matthews Wave guide clamp
US3380730A (en) * 1965-04-15 1968-04-30 Carver & Co Eng Workpiece clamping devices
US3383101A (en) * 1965-04-30 1968-05-14 Albert Herman Adjustable clamp
US3441265A (en) * 1966-10-28 1969-04-29 Herman Albert Adjustable clamp
US3736816A (en) * 1971-02-24 1973-06-05 L Mcafee Automotive wheel suspension ball joint tongs

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