Metal working – Means to assemble or disassemble – With control means energized in response to activator...
Reexamination Certificate
2005-01-18
2005-01-18
Bryant, David P. (Department: 3726)
Metal working
Means to assemble or disassemble
With control means energized in response to activator...
C029S720000, C073S700000, C269S025000
Reexamination Certificate
active
06842971
ABSTRACT:
A pallet pressure monitor (10) broadly comprises a pressure detector (14) to sense hydraulic pressure within a hydraulic system (16) of a pallet (22), a pallet transmitter (18) to monitor the detector (14), and a receiver unit (20) to receive a status signal from the pallet transmitter (18) indicative of the detector's status. The detector (14) preferably comprises an adjustable pressure switch. The pallet transmitter (18) preferably receives power through a wireless connection to the receiver unit (20). The receiver unit (20) preferably receives the status signal from the pallet transmitter (18) over the wireless connection and actuates a relay output (30) according to the status signal. The relay output (30) is preferably electrically connected to a warning unit (32), or other signaling device, that warns an operator when the pressure in the hydraulic system (16) is below a set-point.
REFERENCES:
patent: 3998127 (1976-12-01), Romeu
patent: 4052574 (1977-10-01), Brown
patent: 4583631 (1986-04-01), Yonezawa et al.
patent: 4609002 (1986-09-01), Noh et al.
patent: 5053774 (1991-10-01), Schuermann et al.
patent: 5214419 (1993-05-01), DeMond et al.
patent: 5695177 (1997-12-01), Mascola
patent: 5887430 (1999-03-01), Hirai et al.
patent: 6249212 (2001-06-01), Beigel et al.
SPX HYTEC Brochure H9901 (Not Dated).
Bryant David P.
Hovey & Williams, LLP
Vektek, Inc.
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