Flashlights and other battery-powered apparatus for holding and energizing transducers

Battery-powered apparatus for holding and energizing a first electric transducer producing a first output, and a second electric transducer producing a different second output from a battery current, comprising in combination:

• a hand-held battery housing mounting the first and second electric transducers and having a pair of spaced internal battery terminal contacts;
• an electric transducer energizing circuit between the internal battery terminal contacts and the first and second electric transducers, including an electric switch, comprising a rotary switch actuator threaded to the battery housing for rotary and axial movement relative to the battery housing, a first switch contact part on the battery housing, a second switch contact part coupled to the rotary switch actuator and in electrical connection with the first switch contact part in a first angular and axial position of the rotary switch actuator, and out of connection from the first switch contact part in a second angular and axial position of the rotary switch actuator, and a third switch contact part coupled to the rotary switch actuator and in electrical connection with the first switch contact part in the second angular and axial position of the rotary switch actuator, and out of connection from the first switch contact part in the first angular and axial position of the rotary switch actuator;
• said first switch contact part connected to one of said internal battery terminal contacts;
• said first electric transducer having a first terminal connected to said second switch contact part;
• said second electric transducer having a first terminal connected to said third switch contact part;
• and
• said first and second electric transducers having second terminals connected to the other internal battery terminal contact.

An electric light source, comprising in combination:

• a reflector having a focal point;
• a first electric lamp having a filament at said focal point;
• a second electric lamp extending into said reflector on
• a side of said first electric lamp;
• and
• a refractive lens for said second electric lamp.

An electric light source, comprising in combination:

• a reflector having a focal point;
• a first electric lamp having a filament at said focal point;
• a second electric lamp extending into said reflector on a side of said first electric lamp;
• a battery;
• and
• a switching arrangement interconnected between said battery and said first electric lamp in a first position, and interconnected between that same battery and said second electric lamp in a second position of said switching arrangement.

An electric switch, comprising in combination:

• a support;
• a rotary switch actuator threaded to the support for rotary and axial movement relative to the support;
• a first switch contact part on the support;
• a second switch contact part coupled to the rotary switch actuator and in electrical connection with the first switch contact part in a first angular and axial position of the rotary switch actuator, and out of connection from the first switch contact part in a second angular and axial position of the rotary switch actuator;
• and
• a third switch contact part coupled to the rotary switch actuator and in electrical connection with the first switch contact part in the second angular and axial position of the rotary switch actuator, and out of connection from the first switch contact part in the first angular and axial position of the rotary switch actuator.

An electric switch, comprising in combination:

• a support;
• a rotary switch actuator threaded on the support for rotary and axial movement relative to the support;
• a first switch contact part on the support;
• a second switch contact part on the rotary switch actuator;
• and
• a third switch contact part coupled to the rotary switch actuator and in electrical connection with the first switch contact part and out of connection from the second switch contact part in a first angular and axial position of the rotary switch actuator, and in electrical connection with the second switch contact part, and out of connection from the first switch contact part in a second angular and axial position of the rotary switch actuator.

Battery-powered apparatus for holding and energizing an electric transducer producing an output from a battery current, comprising in combination:

• a hand-held battery housing having a pair of spaced internal battery terminal contacts;
• a transducer housing in the form of a block of electrically conductive material threaded to the battery housing and connected to one of said internal battery terminal contacts;
• and
• a switched electric transducer energizing circuit between the internal battery terminal contacts and the electric transducer.

In a flashlight, the improvement comprising in combination:

• a light source having a base;
• a light source energizing circuit having an electric switch for a light source in said energizing circuit;
• a part of said switch releasably fastened outside of said base to a support for said part of the switch;
• and
• said light source mounted on said part, whereby said light source is disposable with said part of the switch on which it is mounted;
• a replacement for said part of the switch;
• and
• a replacement light source mounted on said replacement for said part of the switch.