FR841219A - Clamshell closure with automatic opening - Google Patents

Clamshell closure with automatic opening

Info

Publication number
FR841219A
FR841219A FR841219DA FR841219A FR 841219 A FR841219 A FR 841219A FR 841219D A FR841219D A FR 841219DA FR 841219 A FR841219 A FR 841219A
Authority
FR
France
Prior art keywords
automatic opening
clamshell closure
clamshell
closure
automatic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ERNST ROTZLER MASCHF
Original Assignee
ERNST ROTZLER MASCHF
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ERNST ROTZLER MASCHF filed Critical ERNST ROTZLER MASCHF
Application granted granted Critical
Publication of FR841219A publication Critical patent/FR841219A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C11/00—Trolleys or crabs, e.g. operating above runways
    • B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
    • B66C11/24—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear with means for locating or sustaining the loads or trolleys in predetermined positions; Hay hoists
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Catching Or Destruction (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
FR841219D 1937-07-29 1938-07-26 Clamshell closure with automatic opening Expired FR841219A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM138816D DE674162C (en) 1937-07-29 1937-07-29 Device for setting the release device on grippers for hay lifts to the respective unloading point

Publications (1)

Publication Number Publication Date
FR841219A true FR841219A (en) 1939-05-15

Family

ID=7334168

Family Applications (1)

Application Number Title Priority Date Filing Date
FR841219D Expired FR841219A (en) 1937-07-29 1938-07-26 Clamshell closure with automatic opening

Country Status (3)

Country Link
CH (1) CH204951A (en)
DE (1) DE674162C (en)
FR (1) FR841219A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1032504B (en) * 1956-04-19 1958-06-19 Jos Kruempel Maschb Landmaschi Grab lock for attachment and discharge emptying

Also Published As

Publication number Publication date
CH204951A (en) 1939-05-31
DE674162C (en) 1939-04-06

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