Modular Handheld Power Tool
First Claim
Patent Images
1. A power tool system comprising:
- a base unit including;
a main housing including a first attachment structure;
a rechargeable lithium-ion battery enclosed in the main housing;
a charging system enclosed in the main housing coupled to the battery and to a power input port, the charging system being configured to charge the battery using power supplied via the power input port;
a power control system enclosed in the main housing, the power control system being coupled to the battery and being configured to supply power from the battery to a power output connection, the power control system being configured to monitor a voltage level of the battery and to cut off power to the power output connection when the voltage level of the battery reaches a predetermined minimum value;
a plurality of head units, each of the head units including;
a head housing including a second attachment structure, the second attachment structure being configured to be removably attached to the first attachment structure;
a power input connection configured to connect to the power output connection and to receive power via the power input connection;
a drive system enclosed in the head housing and coupled to receive power via the power input connection;
a tool component configured to be driven by the drive system to perform a tool function;
wherein the tool function performed by each of the head units in the plurality is different.
1 Assignment
0 Petitions
Accused Products
Abstract
A power tool system includes a base unit having a rechargeable lithium-ion battery, a battery charging system, a power control system and a power output connection. A plurality of head units is configured for use with the base unit. Each of the head units includes an electrical input connection. The electrical input connection is configured to be electrically connected to the power output connection when the head unit is attached to the base unit. Each of the head units is configured to use the electrical power provided by the base unit to perform a different tool function.
107 Citations
14 Claims
-
1. A power tool system comprising:
-
a base unit including; a main housing including a first attachment structure; a rechargeable lithium-ion battery enclosed in the main housing; a charging system enclosed in the main housing coupled to the battery and to a power input port, the charging system being configured to charge the battery using power supplied via the power input port; a power control system enclosed in the main housing, the power control system being coupled to the battery and being configured to supply power from the battery to a power output connection, the power control system being configured to monitor a voltage level of the battery and to cut off power to the power output connection when the voltage level of the battery reaches a predetermined minimum value; a plurality of head units, each of the head units including; a head housing including a second attachment structure, the second attachment structure being configured to be removably attached to the first attachment structure; a power input connection configured to connect to the power output connection and to receive power via the power input connection; a drive system enclosed in the head housing and coupled to receive power via the power input connection; a tool component configured to be driven by the drive system to perform a tool function; wherein the tool function performed by each of the head units in the plurality is different. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A power tool comprising:
-
a base unit including; a main housing including a first attachment structure; a rechargeable lithium-ion battery enclosed in the main housing; a charging system enclosed in the main housing coupled to the battery and to a power input port, the charging system being configured to charge the battery using power supplied via the power input port; a power control system enclosed in the main housing, the power control system being coupled to the battery and being configured to supply power from the battery to a power output connection, the power control system being configured to monitor a voltage level of the battery and to cut off power to the power output connection when the voltage level of the battery reaches a predetermined minimum value; a head units including; a head housing including a second attachment structure, the second attachment structure being configured to be removably attached to the first attachment structure; a power input connection configured to connect to the power output connection and to receive power via the power input connection; a drive system enclosed in the head housing and coupled to receive power via the power input connection; a tool component configured to be driven by the drive system. - View Dependent Claims (9, 10, 11, 12, 13, 14)
-
Specification