LOCK STRUCTURE FOR OPERATING LEVER

A lock structure (4) 1s constituted of a gear (6) and an engagement/disengagement switching section (8). The gear (6) is disposed concentric with a turning center (103a) of an operating lever (103). The engagement/disengagement switching section (8) is provided with an engagement pawl (12) such that...

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Bibliographische Detailangaben
Hauptverfasser:	Tamotsu IWAMA, Takayuki NAGAKI
Format:	Patent
Sprache:	eng
Schlagworte:	CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BYMECHANICAL FEATURES ONLY CONTROLLING HAND TOOLS MANIPULATORS PERFORMING OPERATIONS PHYSICS PORTABLE POWER-DRIVEN TOOLS REGULATING TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING
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Beschreibung
Zusammenfassung:	A lock structure (4) 1s constituted of a gear (6) and an engagement/disengagement switching section (8). The gear (6) is disposed concentric with a turning center (103a) of an operating lever (103). The engagement/disengagement switching section (8) is provided with an engagement pawl (12) such that the engagement pawl (12) can move toward and away from the gear (6). The engagement pawl (12) is connected to a switching lever (16) to form a substantially T-like shape, and the switching lever (16) is pivotally supported by a body section (10) of the engagement/disengagement switching section (8). A locking operation of the switching lever (16) switches between the locked state and unlocked state of the operating lever (103). In an engaged state, a gap having an opening angle of a. in a direction in which the operating lever (103) loosens is formed between a tooth groove (7) of the gear (6) and the engagement pawl (12). Figure 1