Maclay M Armstrong

Address:

627 Darby Dr, Bellingham, WA 98226

Phone:

(425)3798207

VIN:

JTNBB46K073023902

Make:

TOYOTA

Model:

CAMRY HYBRID

Year:

2007

US Patent:

44166257, Nov 22, 1983

Filed:

Feb 26, 1980

Appl. No.:

6/124842

Inventors:

Maclay M. Armstrong - Seattle WA

Assignee:

Northwest Orthodontics, Inc. - Seattle WA

International Classification:

A61C 700

US Classification:

433 5

Abstract:

An extraoral force-reaction device engageable with the wearer's head and/or neck, such as a headcap or a neckband, is connected to an intraoral force-applying device, such as molar bands, by helical spring force-producing means. Snapback of the force-applying means is controlled in response to stressing of the force-producing means beyond a predetermined maximum degree of force exerted by the force-producing means. Snapback control is effected by disconnectible connection means which can be disconnected to interrupt the application to the intraoral means of force capable of moving such intraoral means. The force to be exerted by the spring force-producing means can be readily adjustable in predetermined increments, such as by engaging a spring end hook selectively with any anchor post of several posts arranged in a row lengthwise of the spring.

US Patent:

41159217, Sep 26, 1978

Filed:

May 6, 1977

Appl. No.:

5/794407

Inventors:

Maclay M. Armstrong - Seattle WA

Assignee:

Northwest Orthodontics, Inc. - Seattle WA

International Classification:

A61L 700

US Classification:

32 14D

Abstract:

An extraoral force-reaction device engageable with the wearer's head and/or neck, such as a headcap or a neckband, is connected to an intraoral force-applying device, such as molar bands, by force-producing means, such as springs. Snapback of the force-applying means is restricted by limiting the normal range of movement of the force-applying elements and such snapback is controlled in response to relative movement of the intraoral means and the extraoral force-reaction means away from each other beyond a predetermined maximum limit, or in response to stressing of the force-producing means beyond a predetermined maximum degree of force exerted by the force-producing means. Snapback control may be effected by latching of a limit latch to prevent or limit return movement of the force-reaction device and the force-applying device, or disconnectible means can be disconnected to interrupt the application of primary force to the intraoral means and reaction force to the head or neck engageable means. The force to be exerted by the spring force-producing means can be readily adjustable in predetermined increments, such as by engagement of different holes in a spring anchor strap with an anchor pin, or by a linear ratchet device except where the force-producing means is of a negator type which will produce a constant force in various adjusted positions of the negator force-producing means relative to the reaction device and the force-applying device. Also, various components of the extraoral force-reaction device can be assembled and adjusted as to length by connection of separable connections, which may include linear ratchet means.

US Patent:

43680399, Jan 11, 1983

Filed:

Apr 25, 1979

Appl. No.:

6/033111

Inventors:

Maclay M. Armstrong - Seattle WA

Assignee:

Northwest Orthodontics, Inc. - Seattle WA

International Classification:

A61C 700

US Classification:

433 5

Abstract:

An extraoral force-reaction device engageable with the wearer's head and/or neck, such as a headcap or a neckband, is connected to an intraoral force-applying device, such as molar bands, by force-producing means, such as springs. Snapback of the force-applying means is controlled in response to relative movement of the intraoral means and the extraoral force-reaction means away from each other beyond a predetermined maximum limit, or in response to stressing of the force-producing means beyond a predetermined maximum degree of force exerted by the force-producing means. Snapback control may be effected by latching of a limit latch to prevent or limit return movement of the force-reaction device and the force-applying device, or disconnectible means can be disconnected to interrupt the application to the intraoral means of force capable of moving such intraoral means. The force to be exerted by the spring force-producing means can be readily adjustable in predetermined increments, such as by engagement of different holes in a spring anchor strap with an anchor pin, or by engaging a spring end hook selectively with any anchor post of several posts arranged in a row lengthwise of the spring, or by a linear ratchet device. Also, various components of the extraoral force-reaction device can be assembled and adjusted as to length by connection of separable connections, which may include linear ratchet means.

US Patent:

47689501, Sep 6, 1988

Filed:

Apr 12, 1985

Appl. No.:

6/741666

Inventors:

Maclay M. Armstrong - Seattle WA
Steven A. Houser - Edmonds WA

Assignee:

Unitek Corporation - Monrovia CA

International Classification:

A61C 300

US Classification:

433 3

Abstract:

A head (9) projecting from the end of a rod body (1') or from the apex of a flat trifurcated quadrant body (1) has an offset fixed prong (10) projecting from its end which is crossed by a movable prong (22) carried by a rocker (20) mounted on the head and tiltable to alter the spacing between the prongs. The tip portions (13 and 25) of the prongs have notches (14 and 26) facing away from each other to hold a ligature ring (37) in stretched condition for application to the wings (44 and 45) of an orthodontic tooth bracket (39). The tip portions of the prongs are canted relative to the prong shanks to be disposed in parallel planes and a line passing through the notches is at an angle to one edge of the body. The notch (26) in the movable prong (22) is deeper than the notch (14) in the stationary prong (10) and the portion of the shallower notch (14) adjacent to the tip of the prong forms the prong tip as a probe. A spring (28) presses the rocker to urge the tip of the movable prong away from the tip of the fixed prong.

US Patent:

45539340, Nov 19, 1985

Filed:

May 1, 1984

Appl. No.:

6/606073

Inventors:

Maclay M. Armstrong - Seattle WA
Steven A. Houser - Everett WA

International Classification:

A61C 700

US Classification:

433 5

Abstract:

A connector for orthodontic headgear includes a casing for a helical compression spring one end of which engages the head of a rod extending through the spring and through a sleeve which engages the other end of the spring. The sleeve is supported in an aperture in the end of the casing and is adjustable axially relative to the casing for adjusting the spring force. The connection is disconnectible by providing a metal clip securable to a headcap having legs engageable in grooves in the casing.

US Patent:

D2921235, Sep 29, 1987

Filed:

Jan 7, 1987

Appl. No.:

7/001278

Inventors:

Maclay M. Armstrong - Seattle WA
Steven A. Houser - Edmonds WA
Jeffrey A. Armstrong - Mercer Island WA

Assignee:

Unitek Corporation - Monrovia CA

US Classification:

D24 10

US Patent:

47040866, Nov 3, 1987

Filed:

Sep 30, 1986

Appl. No.:

6/913871

Inventors:

Maclay M. Armstrong - Seattle WA
Steven A. Houser - Edmonds WA

Assignee:

Unitek Corporation - Monrovia CA

International Classification:

A61C 300

US Classification:

433 5

Abstract:

A force-producing connector connecting a force reaction orthodontic headcap or neckstrap and a J-hook for applying a force to a wearer's jaw includes a slide carrying a force-producing spring and guided for movement lengthwise of an elongated sidepiece base. The elongated base has a row of slots extending lengthwise of it selectively engageable by the toe of a pawl pivoted on the slide, which pawl can be held in locking position by a latch including an aperture in the pawl engageable with a catch on a post carried by the slide over which the pawl aperture can be moved.

US Patent:

45539324, Nov 19, 1985

Filed:

Apr 29, 1983

Appl. No.:

6/490092

Inventors:

Maclay M. Armstrong - Seattle WA
John R. Rogers - Bellevue WA
Steven A. Houser - Everett WA

International Classification:

A61C 700

US Classification:

433 4

Abstract:

A pistol grip has twin abutments projecting in parallel relationship and spaced apart to straddle an orthodontic bracket attached to a tooth and to engage the tooth at opposite sides of the bracket. A swing handle pivoted to the pistol grip carries a pull wire extending between the abutments such pull wire has a loop for hooking a wing of the orthodontic bracket. The handle can be pulled toward the pistol grip to draw the pull wire toward the pistol grip for pressing the abutments against the tooth and simultaneously pulling the bracket off the tooth. During such pulling, constriction of the arch wire slot in the bracket is prevented by fitting in such slot a spacer hook of a tenaculum.