Motorized chandelier lift system

In combination with a light fixture, a motorized light fixture lift system comprising:

• a. a hoist mechanism for raising and lowering said light fixture between a raised position adjacent a ceiling and a lowered position distant from the ceiling, said hoist mechanism comprising:
• i. a base for mounting above the ceiling;
• ii. a drive motor mounted upon the base, said drive motor including a drive shaft;
• and,
• iii. a take-up shaft directly coupled to the drive shaft;
• b. a ceiling junction box attached to the ceiling comprising a first set of contacts for supplying a source of electrical power to the light fixture;
• c. a canopy junction box attached to the light fixture comprising a second set of contacts mounted for receipt of electricity from the first set of contacts when the light fixture is in the raised position;
• and,
• d. a single hoist cable attached at one end to the take-up shaft for being wound upon said take-up shaft and attached at the other end to the canopy junction box.

A motorized light fixture lift system, comprising:

• a. a hoist mechanism for raising and lowering a light fixture between a raised position adjacent a ceiling and a lowered position distant from the ceiling, said hoist mechanism comprising:
• i. a base for mounting above the ceiling;
• ii. a drive motor mounted upon the base, said drive motor including a drive shaft;
• and,
• iii. a take-up shaft coupled to the drive shaft;
• b. a ceiling junction box, mounted a fixed distance from the base, comprising a first set of contacts for supplying a source of electrical power to the light fixture;
• c. a canopy junction box attached to the light fixture comprising a second set of contacts mounted for receipt of electricity from the first set of contacts when the light fixture is in the raised position;
• and,
• d. a single hoist cable attached at one end to the take-up shaft for being wound upon said take-up shaft and attached at the other end to the canopy junction box.

A motorized light fixture lift system, comprising:

• a. a single hoist cable;
• b. a hoist mechanism for raising and lowering a light fixture between a raised position adjacent a ceiling and a lowered position distant from the ceiling, said hoist mechanism comprising:
• i. a base for mounting above the ceiling;
• ii. a drive motor mounted upon the base, said drive motor including a drive shaft;
• and,
• iii. winch means for winding and unwinding the hoist cable, said winch means including a take-up shaft coupled to the drive shaft and attached to one end of the hoist cable for winding and unwinding the hoist cable;
• c. a ceiling junction box, mounted a fixed distance from the base, comprising a first set of contacts for supplying a source of electrical power to the light fixture;
• d. a canopy junction box attached to the light fixture and to the other end of the hoist cable, said canopy junction box comprising a second set of contacts mounted for receipt of electricity from the first set of contacts when the light fixture is in the raised position.

A motorized light fixture lift system, comprising:

• a. a single hoist cable;
• b. a hoist mechanism for raising and lowering a light fixture between a raised position adjacent a ceiling and a lowered position distant from the ceiling, said hoist mechanism comprising:
• i. a base for mounting above the ceiling;
• ii. a drive motor mounted upon the base, said drive motor including a drive shaft;
• iii. winch means for winding and unwinding the hoist cable, said winch means including a take-up shaft coupled to the drive shaft and attached to one end of the hoist cable for winding and unwinding the hoist cable;
• iv. a pulley for guiding the hoist cable to the take-up shaft;
• and,
• v. braking means for preventing the light fixture from descending except as caused by the rotation of the drive shaft;
• c. a ceiling junction box, mounted a fixed distance from the base, comprising:
• i. a first set of contacts for supplying a source of electrical power to the light fixture;
• and,
• ii. limit switch means for causing the drive motor to be prevented from raising the light fixture above the raised position and for causing electrical power to be removed from the first set of contacts when the light fixture is not in the raised position;
• and,
• d. a canopy junction box attached to the light fixture and to the other end of the hoist cable, said canopy junction box comprising a second set of contacts mounted for receipt of electricity from the first set of contacts when the light fixture is in the raised position, and wherein said canopy junction box prevents access to the first and second set of contacts when the light fixture is in the raised position.