F - Mech Eng,Light,Heat,Weapons – 16 – M
Patent
F - Mech Eng,Light,Heat,Weapons
16
M
F16M 11/12 (2006.01) B66C 13/06 (2006.01) B66C 23/72 (2006.01) F16F 15/22 (2006.01) F16F 15/28 (2006.01) H04N 5/222 (2006.01)
Patent
CA 2382428
A camera crane (10) has a spring balancing system for better maintaining the crane arm in balance as the crane arm (16) is raised and lowered. A spring link (64) is pivotably attached to a support frame (30) on a pivot axle (32). Spring posts (60, 62) are attached to the crane arm section (16). Springs (68) extend from the spring link to the spring posts. As the crane arm is raised, the springs exert a counterbalancing force. The spring balancing system can be disengaged by removing a pin (70) extending through the spring link into the support.
L'invention concerne une grue (10) de caméra possédant un système d'équilibrage à ressort permettant de maintenir un meilleur équilibre du bras (16) de la grue lorsque celui-ci est levé ou abaissé. Un raccord (64) à ressort est fixé pivotant au cadre support (30) sur un axe (32) de pivotement. Des montants à ressort (60, 62) sont fixés à la partie bras de grue (16). Ces ressorts (68) s'étendent depuis ledit raccord jusqu'aux montants à ressort. Lorsque le bras de grue est levé, ces ressort exercent une force d'équilibrage. On peut démonter le système d'équilibrage à ressort en enlevant une cheville (70) s'étendant dans le support à travers le raccord à ressort.
Chapman/leonard Studio Equipment
Smart & Biggar
LandOfFree
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