Adjusting device

An adjusting device comprising:

• a base unit;
• a load take-up unit;
• a transmission coupling said units to each other so as to permit a movement of said load take-up unit relative to said base unit in two different directions;
• and,
• said transmission including:
• a first holding part;
• a second holding part in spaced relationship to said first holding part;
• a first four-joint chain;
• first and second rotational joints for journalling said first four-joint chain on said first holding part;
• a third rotational joint for operatively connecting said first four-joint chain to said base unit;
• a second four-joint chain;
• fourth and fifth rotational joints for journalling said second four-joint chain on said second holding part;
• a sixth rotational joint for operatively connecting said second four-joint chain to said load take-up unit;
• and,
• said first four-joint chain being fixedly connected to said second four-joint chain.

An adjusting device comprising:

• a base unit;
• a load take-up unit;
• a transmission coupling said units to each other so as to permit a movement of said load take-up unit relative to said base unit in two different directions;
• and,
• said transmission including:
• a lever element;
• a holding part;
• a joint for journalling said lever element in said holding part;
• and,
• said lever element being operatively connected to said base unit and to said load take-up unit.

An adjusting device comprising:

• a base unit;
• a load take-up unit;
• a transmission coupling said units to each other so as to permit a movement of said load take-up unit relative to said base unit in two different directions;
• and,
• said transmission including:
• belt means for coupling a movement of said base unit to a movement of said load take-up unit.

An adjusting device comprising:

• a base unit;
• a load take-up unit;
• a transmission coupling said units to each other so as to permit a movement of said load take-up unit relative to said base unit in two different directions;
• and, said transmission including:
• a linkage parallelogram including a first linkage element, a second linkage element, a third linkage element and a fourth linkage element;
• a first joint for connecting said linkage parallelogram to said base unit and a second joint for connecting said linkage parallelogram to said load take-up unit.

An adjusting device comprising:

• a base unit;
• a load take-up unit;
• a transmission coupling said units to each other so as to permit a movement of said load take-up unit relative to said base unit in two different directions;
• and,
• said transmission including:
• first and second rotational members for coupling said base unit to said load take-up unit;
• said first rotational member being rotationally journalled on said base unit so as to be rotatable about a first axis;
• said second rotational member being rotationally journalled on said first rotational member so as to be rotatable about a second rotational axis;
• said load take-up unit being rotationally journalled on said second rotational member so as to be rotatable about a third rotational axis;
• said first and second rotational axes being offset relative to each other and said second and third rotational axes being offset relative to each other;
• and,
• said first and second rotational members being configured as respective inclined cylinders.

An adjusting device comprising:

• a base unit;
• a load take-up unit;
• a transmission coupling said units to each other so as to permit a movement of said load take-up unit relative to said base unit in two different directions;
• and,
• said transmission including:
• a first linkage arm and a second linkage arm;
• means for connecting said first and second linkage arms to said load take-up unit so as to be rotationally movable;
• a displacing unit;
• a rotational joint for hinge connecting at least one of said linkage arms to said displacing unit;
• said one linkage arm having a pivot or hinge connecting point on said base unit;
• and,
• said displacing unit moving said pivot or hinge connecting point to move said load take-up unit relative to said base unit.

An adjusting device comprising:

• a base unit;
• a load take-up unit;
• a transmission coupling said units to each other so as to permit a movement of said load take-up unit relative to said base unit in two different directions;
• and,
• said transmission defining a first rotational axis and a second rotational axis offset with respect to said first rotational axis;
• and, means for moving said load take-up unit relative to said base unit about said first rotational axis and about said second rotational axis.

A stand comprising:

• a carrier arm for taking up a load;
• an adjusting device connected to said carrier arm;
• said adjusting device including:
• a base unit;
• a load take-up unit;
• a transmission coupling said units to each other so as to permit a movement of said load take-up unit relative to said base unit in two different directions;
• and,
• said transmission including:
• a coupling plate;
• two force-transmitting units operatively connected to said coupling plate;
• and,
• means for operatively connecting said load take-up unit to said two force-transmitting units so as to cause at least one of said force-transmitting units to roll off on said coupling plate in response to a movement of said load take-up unit relative to said base unit.