Patent US4252456A successfully refreshed from Google Patents.
US4252456A
Expired / Lapsed
US
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Coupling device
Assignee: ORSA KATTINGFABRIK AB
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Filing: 1979-01-19
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Granted: 1981-02-24
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Expires: 1999-01-19
Abstract
Abstract A coupling device for container lashings comprises two tensioning members (1, 3; 11, 13) having coacting teeth (2, 12) and a clamping means (20) for keeping the members with the teeth (2, 12) in mesh. One flank of the teeth (2, 12) inclines at an angle (α) of between 95° and 110° to the tensional load direction (r) of the member. The other flank of the teeth inclines at an angle (α) of between 30° and 50° to the tensional load direction (r). The clamping means (20) is an eccentric clamping collar, surrounding the members (1, 11) in their toothed zone and in an open condition affording a clearance (s) between the top land planes of the elements (1, 11) in the same order of magnitude as the tooth depth (t) but in a closed condition the collar (20) maintains the teeth (2, 12) of the members in mesh. Each of the members have means (4, 14) against which a tensioning apparatus (30), e.g. a hydraulic tensioner can be applied. The collar (20) has an eccentric operating lever (29), the angular attitude of which indicates the closed or open state of the collar (20).
Inventors
- 👤 Elis Kallaes
- 👤 Karl-Erik Starell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:06
CPC Classifications
B; B60; B60P; B60P7/00; B60P7/06; B60P7/13; B63; B63B; B63B25/00; B63B25/28; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32532; Y10T403/71; Y10T403/7152
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
168 words
A coupling device comprising two tensioning members having coacting teeth, each tooth having first and second opposing flanks, and a clamping means capable of maintaining teeth of each member in mesh, characterized in that the first flank of each tooth inclines at an angle between about 90° and 110° to a tensional load direction of the members, the second flank of each tooth inclines at an angle between about 30° and 50° to the tensional load direction, the clamping means is a clamping collar having an eccentric collar cam, said collar surrounding the two tensioning members, and in an open condition, the cam affords a clearance between the tensioning members to permit adjusting the position of one tensioning member relative to the other, and in a closed condition, the cam maintains teeth of the tensioning members in mesh, each member having means for attaching thereto a tensioning apparatus, said cam having an operating lever, the angular attitude of which indicates the closed or open condition of the collar.
Claim 2
Dependent Claim
168 words
A coupling device comprising two tensioning members having coacting teeth, each tooth having first and second opposing flanks, and a clamping means capable of maintaining teeth of each member in mesh, characterized in that the first flank of each tooth inclines at an angle between about 90° and 110° to a tensional load direction of the members, the second flank of each tooth inclines at an angle between about 30° and 50° to the tensional load direction, the clamping means is a clamping collar having an eccentric collar cam, said collar surrounding the two tensioning members, and in an open condition, the cam affords a clearance between the tensioning members to permit adjusting the position of one tensioning member relative to the other, and in a closed condition, the cam maintains teeth of the tensioning members in mesh, each member having means for attaching thereto a tensioning apparatus, said cam having an operating lever, the angular attitude of which indicates the closed or open condition of the collar.
Claim 3
Dependent Claim
30 words
A device as claimed in claim 1 wherein the tensioning members include stop means coacting with the clamping collar for preventing the removal of the tensioning members from the collar.
Claim 4
Dependent Claim
35 words
A device as claimed in claim 1 wherein the clamping collar is in the general form of a yoke having depending limbs and having an eccentric cam pivotally mounted between the extremities of the limbs.
Claim 5
Dependent Claim
44 words
A device as claimed in claim 1 wherein the first flank is inclined at an angle of about 105° to the tensional load direction of a member, and the second flank is inclined at an angle of about 45° to said tensional load direction.
Claim 6
Dependent Claim
71 words
A coupling device comprising: two engageable tensioning members for maintaining a tensional load in a tensional load direction, said members having coacting teeth, each tooth having first and second opposing flanks; and clamping means for maintaining teeth of one member in mesh with teeth of the other member, the second flank of each tooth being inclined at an angle between 30° and 50° to the tensional load direction of the members.
Claim 7
Dependent Claim
71 words
A coupling device comprising: two engageable tensioning members for maintaining a tensional load in a tensional load direction, said members having coacting teeth, each tooth having first and second opposing flanks; and clamping means for maintaining teeth of one member in mesh with teeth of the other member, the second flank of each tooth being inclined at an angle between 30° and 50° to the tensional load direction of the members.
Claim 8
Dependent Claim
28 words
A device as claimed in claim 5 wherein the first flank of each tooth is inclined at an angle between 90° and 110° to the tensional load direction.
Claim 9
Dependent Claim
71 words
A device as claimed in claim 5 wherein the clamping means is a clamping collar having an eccentric cam, said collar substantially surrounding the two tensioning members, and in an open condition, the cam provides a clearance between the tensioning members to permit adjusting the position of one of the tensioning members relative to the other, and in a closed position, the cam maintains teeth of the tensioning members in mesh.
Claim 10
Dependent Claim
28 words
A device as claimed in claim 7 wherein the cam includes an operating lever, the angular attitude of which indicates the closed or open condition of the collar.
Claim 11
Dependent Claim
14 words
A device as claimed in claim 5 wherein the second flank angle is 45°.
Claim 12
Dependent Claim
14 words
A device as claimed in claim 6 wherein the first flank angle is 105°.
Claim 13
Dependent Claim
21 words
A device as claimed in claim 5 including stop means for preventing the tensioning members from removal from the clamping means.
Claim 14
Dependent Claim
34 words
A device as claimed in claim 5 wherein each tensioning member is formed of a substantially flat rectangular bar, said teeth being recessed in and lying laterally across a face of said retangular bar.
Claim 15
Dependent Claim
100 words
A coupling device comprising: a plurality of engageable tensioning members for maintaining a tensional load in a tensional load direction, said members having cooperating teeth adapted to resist separation of the tensioning members when the members are under a tensional load and the teeth are meshed and to provide substantially unhindered sliding separation of the members along a portion of the teeth when the position of the members relative to each other is adjusted in a direction opposite to the tensional load direction; and clamping means for maintaining teeth of one member in mesh with teeth of the other member.
Claim 16
Dependent Claim
100 words
A coupling device comprising: a plurality of engageable tensioning members for maintaining a tensional load in a tensional load direction, said members having cooperating teeth adapted to resist separation of the tensioning members when the members are under a tensional load and the teeth are meshed and to provide substantially unhindered sliding separation of the members along a portion of the teeth when the position of the members relative to each other is adjusted in a direction opposite to the tensional load direction; and clamping means for maintaining teeth of one member in mesh with teeth of the other member.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-02-24 | 1984-08-25 | 1985-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-02-24 | 1988-08-25 | 1989-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-02-24 | 1992-08-25 | 1993-02-24 | $7700.00 | Window Closed / Lapsed |