Electrical generator or motor structure – Dynamoelectric – Reciprocating
Patent
1991-07-01
1992-09-15
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Reciprocating
310 14, 310 80, H02K 4102, H02K 706, H02K 3302, H02K 3502
Patent
active
051480670
ABSTRACT:
A linear motor provides stepwise, incremental advance of a moveable output member. First and second, spaced latches are movably coupled to the output member. A selectively energizible driver engages and moves the first latch into fixed engagement with the output member and continues to move the engaged first latch and output member a predetermined incremental advance distance. The second latch is biased to retain the output member in each successive incremental advance position while the first latch is being reset. In one embodiment, the driver is a solenoid having a movable plunger operably coupled to the first latch. In another embodiment, the drive is a motor having a rotatable output shaft with an eccentric cam mounted thereon. The eccentric cam engages the first latch to move the first latch into fixed engagement with the output member and to advance the fixedly engaged first latch and output member an incremental advance distance. Unlatch members are optionally coupled to at least the second latch for unlatching the second latch to enable the output member to be retracted in a direction opposite from the incremental advance direction.
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Haszko D. R.
Stephan Steven L.
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