Patents Assigned to Perko, Inc.
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Patent number: 7066504Abstract: A slam latch and strike assembly for latching together a pair of generally parallel relatively laterally displaceable support members, including a body adapted for connection with one of the support members, a latch member mounted for axial displacement between extended and retracted positions in a transverse opening contained in the body member, a spring biasing the latch member toward the extended position, and a strike member mounted on the other support member adjacent the free end of the latch member when the latch member is in the extended position, the strike and latch members carrying sets of strike teeth and latch teeth that are normally in engagement when the latch is in its extended position, the tips and valleys of the teeth of at least one of the latch and strike teeth sets having curved and convex transverse profiles, thereby to compensate for minor misalignment between the strike and latch members.Type: GrantFiled: October 31, 2003Date of Patent: June 27, 2006Assignee: Perko, Inc.Inventor: Frederick M. Perkins
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Publication number: 20050093307Abstract: A slam latch and strike assembly for latching together a pair of generally parallel relatively laterally displaceable support members, including a body adapted for connection with one of the support members, a latch member mounted for axial displacement between extended and retracted positions in a transverse opening contained in the body member, a spring biasing the latch member toward the extended position, and a strike member mounted on the other support member adjacent the free end of the latch member when the latch member is in the extended position, the strike and latch members carrying sets of strike teeth and latch teeth that are normally in engagement when the latch is in its extended position, the tips and valleys of the teeth of at least one of the latch and strike teeth sets being curved and convex, thereby to compensate for minor misalignment between the strike and latch members.Type: ApplicationFiled: October 31, 2003Publication date: May 5, 2005Applicant: Perko, Inc.Inventor: Frederick Perkins
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Patent number: 5327946Abstract: A liquid fuel tank filling and venting device includes a hollow body member containing a chamber, an inlet opening for supplying fuel downwardly into the chamber, a fuel outlet opening for supplying fuel from the chamber, and a vent opening connected with the chamber, each of the fuel outlet and vent outlets being independently connected with the fuel tank, whereby overflow fuel is returned to the chamber via the vent outlet. A fuel cap is provided for closing the inlet opening, the fuel cap containing a vent passageway including both a back-flame arresting screen and a fuel surge protector, so that the tank is normally vented to atmosphere when the fuel cap is in the closed position, but the venting passageway automatically closed upon the occurrence of a fuel surge, thereby avoiding undesirable fuel leakage.Type: GrantFiled: August 31, 1993Date of Patent: July 12, 1994Assignee: Perko, Inc.Inventor: Frederick M. Perkins
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Patent number: 5275213Abstract: A liquid fuel tank filling and venting device including a hollow body member containing a chamber, an inlet opening for supplying fuel downwardly into the chamber, a fuel outlet opening for supplying fuel from the chamber, and an overflow opening connected with the chamber, each of the fuel outlet and overflow outlets being independently connected with the fuel tank, whereby overflow fuel is returned to the chamber via the overflow outlet. A fuel cap is provided for closing the inlet opening, the fuel cap containing a vent passageway including a removably mounted filter, so that the tank is continuously vented to atmosphere when the fuel cap is in either the open or closed position.Type: GrantFiled: March 17, 1993Date of Patent: January 4, 1994Assignee: Perko, Inc.Inventor: Frederick M. Perkins
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Patent number: 4500947Abstract: A marine navigation light having a first curved segment, a second curved segment, a vertical junction therebetween, and a single filament vertical light source is improved by reshaping the surfaces of the curved segments adjacent the junction so that light rays bend in the direction of the junction.Type: GrantFiled: November 10, 1982Date of Patent: February 19, 1985Assignee: Perko, Inc.Inventor: Frederick M. Perkins
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Patent number: 4424424Abstract: Single pole, triple throw battery selector switches are provided with locks to prevent unauthorized use. Rotation is prevented between the selector knob and housing by having a semicircular groove with a locking position at the end thereof in the top cover of the battery selector switch and a locking pin projecting from the underside of the selector knob into engagement with the grooves. The selector knob is locked with the batteries disengaged when the locking pin engages the locking position groove by turning a locking cylinder with a key.Type: GrantFiled: February 11, 1981Date of Patent: January 3, 1984Assignee: Perko, Inc.Inventor: Leroy F. Hollenbeck, Jr.
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Patent number: 4280028Abstract: Single pole, triple throw battery selector switches are provided with locks to prevent unauthorized use. Rotation is prevented between the selector knob and housing by having a semi-circular groove with a locking position at the end thereof in the top cover of the battery selector switch and a locking pin projecting from the underside of the selector knob into engagement with the grooves. The selector knob is locked with the batteries disengaged when the locking pin engages the locking position groove by turning a locking cylinder with a key.Type: GrantFiled: February 11, 1980Date of Patent: July 21, 1981Assignee: Perko, Inc.Inventor: Leroy F. Hollenbeck, Jr.
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Patent number: D512300Type: GrantFiled: August 6, 2004Date of Patent: December 6, 2005Assignee: Perko, Inc.Inventor: Frederick M. Perkins
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Patent number: D260637Type: GrantFiled: August 22, 1979Date of Patent: September 8, 1981Assignee: Perko, Inc.Inventor: Leroy F. Hollenbeck, Jr.
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Patent number: D652161Type: GrantFiled: March 25, 2009Date of Patent: January 10, 2012Assignee: Perko, Inc.Inventor: Frederick M. Perkins
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Patent number: D665113Type: GrantFiled: November 16, 2011Date of Patent: August 7, 2012Assignee: Perko, Inc.Inventor: Frederick M. Perkins