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US 8,113,097 B2Granted
Protective device
AssigneeRobert Bosch GmbH
InventorsKlaus Marx, Thilo Koeder, Joachim Platzer
Life of this patent
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Abstract
A protective device for use with table-top circular saws that operate a tool designed as a rotating, disk-shaped sawing tool includes at least one actuator unit and at least one protective unit. The at least one actuator unit moves the protective unit into a protective position on the tool.
Claims12
A protective device for table-top circular saws (12), comprising:
- a tool (14) designed as a rotating, disk-shaped sawing tool,
- at least one actuator unit (16),
- a tool top cover (24);
- at least one protective unit (18, 20) which includes several adjacently-located protective elements (26, 28) and which is located within the top tool cover (24), and
- a bearing unit (70), which supports the protective elements (26, 28) in at least one direction of motion (38) which is directed away from the rotating, disk-shaped tool (14),
- wherein in a waiting position the protective unit (18, 20) is located entirely inside the top tool cover (24), wherein the actuator unit (16) is provided to move the protective unit (18, 20) from the waiting position into a protective position (22) on the tool (14), wherein in the protective position (22) the protective unit (18, 20) forms a lateral shell around the tool (14), which extends parallel to a main extension surface 66 of the tool 14 wherein the protective elements (26, 28) are designed as lamellae and are position to be movable independently of each other.
3 more elements
Dependencies are inferred from the claim text.