Radially Spaced Arcuate Slot Engages Fastener Patents (Class 403/98)
  • Patent number: 11767867
    Abstract: A motion control and lock mechanism for wooden furniture such as a climbing triangle is provided. The lock mechanism provides secure stop against further motion and holds the furniture in the open or closed position. The lock mechanism is easily fabricated with a CNC router while cutting plywood furniture panels.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: September 26, 2023
    Inventor: Clark Davis
  • Patent number: 9150079
    Abstract: A coupled torsion beam axle type suspension system may includes trailing arms respectively coupled to opposite ends of a torsion beam, and vehicle body-engaging units, each provided in a front end portion of a respective trailing arm and engaging the respective trailing arm to a vehicle body. Each vehicle body-engaging unit may include a trailing arm bush, a mounting link, a rotation mounting bush, an upper mounting bush, an adapter, and a stay.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: October 6, 2015
    Assignee: HYUNDAI MOTOR COMPANY
    Inventors: Jin-Ho Jung, Seon Pyung Kim, Youn Hyung Cho, Jaekil Lee, Seong Hee Jeong
  • Publication number: 20150063898
    Abstract: A baby stroller for transporting a child is disclosed. This baby stroller has a folding mechanism to facilitate folding for easier stowing and transporting. The folding mechanism, a unique feature of the design is directed toward compactness, ease of use, reliability, and reduction in manufacturing costs.
    Type: Application
    Filed: October 30, 2014
    Publication date: March 5, 2015
    Applicant: Baby Jogger, LLC
    Inventor: Chih-Ching Cheng
  • Patent number: 8967710
    Abstract: A folding device is configured at the pivot between the rear leg frame and the front leg frame of a high chair and allows a user to complete folding process by pressing a driving member. When the driving member is pressed, an engaging member of the folding device moves correspondingly to an unlocked position, so that the rear leg frame disengages from and pivots about the front leg frame. The high chair can then be folded easily for the user, and the structure of the invention is simpler than the prior art.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: March 3, 2015
    Assignee: Wonderland Nurserygoods Co., Ltd.
    Inventors: Wen-Qu Hu, Shun-Min Chen
  • Patent number: 8661740
    Abstract: A foldable safety handrail assembly includes a mounting bracket, a fixing sleeve mounted on the mounting bracket, a release sleeve mounted on the mounting bracket and having a release groove, a rail having a pivot tube which has a first locking groove and a second locking groove, a locking tube extending through the fixing sleeve, the pivot tube and the release sleeve and having a limit slot, a locking member mounted in the limit slot and detachably locked in the first locking groove or the second locking groove, a control member mounted in the locking tube to move the locking member, and a push knob mounted on and pushing the control member. Thus, the user only needs to push the push knob to unlock and fold the rail so that the rail can be unlocked and folded easily and quickly.
    Type: Grant
    Filed: November 24, 2010
    Date of Patent: March 4, 2014
    Assignee: Yo Yuh Inst. Co., Ltd.
    Inventor: Yong-Hao Lin
  • Patent number: 8641317
    Abstract: A bushing includes a base portion having a central axis, a substantially circular aperture extending through the base portion along the central axis, and a plurality of tapered fingers integral with and protruding from the base portion. Each of the tapered fingers are configured to deflect from a first position in which a bolt or similar fastener may pass through the bushing to a second position in which the bushing constricts or clamps down around the bolt. A coupling system and method for rigidly securing two or more components together using one or more bushings is also provided.
    Type: Grant
    Filed: June 24, 2009
    Date of Patent: February 4, 2014
    Assignee: EchoStar Technologies L.L.C.
    Inventors: Jason M. Fruh, Sam Edgar
  • Patent number: 8628052
    Abstract: The present invention relates to a display apparatus having a display body, comprising: a connecting member combined with the display body at an upper end part thereof and having a swivel part at a lower end part thereof; and a base having a swivel supporter where the swivel part is inserted and supporting the swivel part to be rotatable. Thus, the present invention provides a display apparatus which is swiveled stably and smoothly with a slim structure.
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: January 14, 2014
    Assignee: SAMSUNG Electronics Co., Ltd.
    Inventors: Kyung-kyun Lee, Young-bok Kim
  • Patent number: 8568055
    Abstract: An adjustment system for connections between metal structures which consists of two plates. The adjustment system comprises a first plate (1) provided with four radial slits (4), where one part of the structure to be connected can be joined, and a second plate provided with four circular slits (5) where another part of the structure to be connected can be joined. Joining screw pins (3) pass through the radial slits in plate (1) and through the circular slits in plate (2) in order to join the two parts by means of the corresponding nuts (6) which tighten the said plates together. The adjustment system makes it possible to adjust the position of the two plates (1 and 2) with respect to their movement on axes X, Y and Z.
    Type: Grant
    Filed: October 23, 2008
    Date of Patent: October 29, 2013
    Assignee: STEELROOT Portugal, LDA
    Inventor: Vasco Maria Marques Lito Velez Grilo
  • Patent number: 8308391
    Abstract: A baby stroller for transporting a child has a folding mechanism to facilitate folding for easier stowing and transporting. The folding mechanism, a unique feature of the design, is directed toward compactness, ease of use, reliability, and reduction in manufacturing costs.
    Type: Grant
    Filed: November 3, 2009
    Date of Patent: November 13, 2012
    Assignee: Baby Jogger, LLC
    Inventor: Chih-Ching Cheng
  • Patent number: 8167250
    Abstract: An adjustable cable tray joint is provided. The joint has first and second tray receptacles, each having a web and opposing walls. The first tray receptacle may further include joint flanges extending from its walls. The first and second tray receptacles are attached together by pivotal connection, the receptacles defining a rotation relative to each other about the pivotal connection. The joint flanges of the first tray receptacle are disposed proximate to the corresponding walls of the second tray receptacle. The joint includes a locking member extending through a wall of the first tray receptacle and the corresponding wall of the second tray receptacle, the locking member configured to selectively fix and release the rotation between the two tray receptacles.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: May 1, 2012
    Assignee: James C. White Company, Inc.
    Inventor: Thomas C. White
  • Patent number: 7946782
    Abstract: An angularly adjustable coupler is provided having first and second ends that are in an angularly adjustable mating engagement. The first end has a longitudinal axis and a base with an optionally concave and serrated surface, and can comprise a collared clamp for connecting to a pylon. The second end has a longitudinal axis and a base with an optionally convex and serrated surface, and can comprise a receiver for connecting to a pyramidal adapter. The concave portion of the first end and the convex portion of the second end are complementary to each other. A connector is provided to connect the first and second ends in a selected angular alignment about a fixed axis of rotation. The range of angular alignment of the first and second components spans approximately 50 degrees about the fixed axis of rotation.
    Type: Grant
    Filed: August 12, 2005
    Date of Patent: May 24, 2011
    Assignee: American Prosthetic Components, Inc.
    Inventor: Michael J. Curtis
  • Patent number: 7833181
    Abstract: A knee brace has push button actuatable stops, wherein the stops are biased outward into angular locking positions and inwardly directed pressure on the push buttons releases the stops and permits angular adjustment of the stops. A pair of catch plates with locking recesses facing inward, are provided, and outwardly biased locking pins engage the recesses in both catch plates. Each of the stop assemblies has an outwardly directed plate extending over the outer cover plate, and this plate is coupled to the physical stop member around the outer edge of the outer cover plate. The cover plate has angular indicia thereon, which may be viewed through windows in the outwardly extending plate portions of the stop assemblies.
    Type: Grant
    Filed: May 13, 2009
    Date of Patent: November 16, 2010
    Assignee: Ossur Americas, Inc.
    Inventors: David Cormier, Tracy Grim, Joseph M. Iglesias, Hugo A. Cobar, Janelle R. Batman, Irving Hu, Wendee Lee, Jacqueline Jones
  • Patent number: 7632035
    Abstract: A baby stroller for transporting a child is disclosed. This baby stroller has a folding mechanism to facilitate folding for easier stowing and transporting. The folding mechanism, a unique feature of the design is directed toward compactness, ease of use, reliability, and reduction in manufacturing costs.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: December 15, 2009
    Assignee: Dynamic Brands, LLC
    Inventor: Chih-Ching Cheng
  • Patent number: 7458743
    Abstract: An accessory clip for attaching medical equipment and the alike to a litter stand that is for attaching to a litter. The accessory clip preferably includes at least one attachment for a piece of medical equipment such as medical monitors, ventilators, infusion pumps, and IV bags. The accessory clip preferably includes components that allow it to be attached to the litter stand.
    Type: Grant
    Filed: October 25, 2002
    Date of Patent: December 2, 2008
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Eric M Smeed
  • Patent number: 7407172
    Abstract: A foldable two wheeled scooter includes a steering post with a front wheel at a lower end and handlebars at an upper end. A support tube connects with a folding mechanism enclosed in a protective housing and supportively connects with a running board having a rear wheel. The protective housing prevents a user from being harmed when moving the scooter from an upright position to a folded down position.
    Type: Grant
    Filed: December 30, 2005
    Date of Patent: August 5, 2008
    Inventor: James Wong Ka Ming
  • Patent number: 7290342
    Abstract: A circular saw assembly of the type that includes a motor housing, a handle coupled to the motor housing, a generally circular saw blade disposed within a blade housing at a first end of the motor housing, and a foot member through which the blade extends for guiding the saw assembly along a work surface, where the circular saw assembly including a depth of cut locking system and an angle of cut locking system. The depth of cut locking system includes an arcuate bracket with an arcuate slot, and an engagement member extends through the slot and is operatively connected to the motor housing and slideable in the arcuate slot. The angle of cut locking system includes a bracket having an arcuate slot and an engagement member movable in the slot and configured to the bracket. A biasing member is provided to bias the engagement member, and at least one detent recess is provided to retain the engagement member therein.
    Type: Grant
    Filed: July 26, 2004
    Date of Patent: November 6, 2007
    Assignee: Robert Bosch GmbH
    Inventors: James R. Hartmann, Ralf Bocka, Joseph Z. Wascow
  • Patent number: 6709184
    Abstract: An apparatus for mounting a receiver mast to a structure. The apparatus includes a structure attachment plate, a releasable attachment member, a movable plate releasably attached to the structure attachment plate by the releasable attachment member for movement with respect to the structure attachment plate and a mast fastener for affixing the receiver mast to the movable plate. A leg member may be provided for attaching the structure attachment plate to the structure. A method for mounting a receiver mast to a structure is also disclosed. An assembly mounted to a structure for receiving a signal is also disclosed.
    Type: Grant
    Filed: December 20, 1999
    Date of Patent: March 23, 2004
    Assignee: BellSouth Intellectual Property Corp.
    Inventor: Timothy J. McDonald
  • Patent number: 6582147
    Abstract: The invention relates to an adjustment joint for adjusting position, which adjustment joint (S1, S2) comprises at least two adjustment parts (S11, S12, S13, S21, S22, S23) adapted so as to be rotatable with respect to each other around (arrow R) a joint axis (A1, A2), and a locking element (S14, S15, S15a, S15b, S15c, S15d) functioning in the direction (arrow L) of said joint axis (A1, A2) for locking the adjustment parts (S11, S12, S13, S21, S22, S23) so that they become immobile with respect to each other. According to the invention, the adjustment joint (S1, S2) is adapted so as to be switched from the locked state to a fine adjustment mode by opening the locking element (S14, S15, S15a, S15b, S15c, S15d), which fine adjustment mode is arranged for preferably stepless fine adjustment of position.
    Type: Grant
    Filed: July 10, 2001
    Date of Patent: June 24, 2003
    Assignee: Nokia Corporation
    Inventor: Juhani Pursiheimo
  • Patent number: 6390483
    Abstract: A folding device for a scooter includes a base plate, a head tube, a handlebar stem, a support rod, and a support base. The support base includes a first side plate and a second side plate, an arcuate slide track defined in the first side plate, and a first locking hole and a second locking hole respectively defined in the second side plate. The support rod includes a transverse tube pivotally mounted between the first side plate and the second side plate and a receiving chamber located above the transverse tube for receiving a support tube. A pull rod is slidably mounted in the support tube and has a first end provided with an outer thread slidably mounted in the slide track and engaged with a pull knob and a second end provided with an enlarged head detachably received in the first locking hole or the second locking hole. A guard plate is mounted for supporting the support rod, and a retaining piece is pivotally mounted on the guard plate for retaining the support rod.
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: May 21, 2002
    Assignees: Hao Yih Trading Co., Ltd., Zenital Inc.
    Inventors: Chen-Rong Hsu, Jenn-Jia Shu
  • Patent number: 5228227
    Abstract: A coupler for collapsible joints consisting of a hollow body having an interior cavity, an exterior surface with an arcuate portion, and an arcuate slot extending radially from the interior cavity to the exterior surface over at least 90 degrees of the arcuate portion. A receptacle is provided for attaching a first support member to the body. An elongate fastening member extends through the slot, and is adapted to extend into a second support member thereby securing the body to the second support member. The body rotates about a first axis transverse to the fastening member to the extent that clearance is provided by the slot thereby positioning the support member between a first position in parallel alignment with the base and a second position substantially at right angles to the base. In the second position the body is rotatable about a second axis provided by the fastening member to alter the rotational positioning of the slot relative to the fastening member.
    Type: Grant
    Filed: April 25, 1991
    Date of Patent: July 20, 1993
    Inventor: Stanley R. J. Hodgson, Sr.
  • Patent number: 5154499
    Abstract: The present invention comprises a housing which includes a handle assembly attached thereto. The handle assembly has a first retracted position and a second extended position. The handle assembly includes a fluid container suspension mechanism thereon. Accordingly, when the handle assembly is in the second extended position, fluid containers may be suspended from the suspension mechanism on the handle assembly. The handle assembly may be retracted to the first position for storage or transport or for carrying the device via the handle assembly.
    Type: Grant
    Filed: November 14, 1991
    Date of Patent: October 13, 1992
    Assignee: Zimmer, Inc.
    Inventors: Robert W. Atkinson, Michael J. Lace, William J. Donizetti
  • Patent number: 5098117
    Abstract: A shim device adjusts camber and/or toe of a wheel assembly that is attached to an axle assembly by a plurality of spaced apart bolts. The shim device includes a relatively flat tapered plate that has a indicia selectively positioned thereon to indicate the angular position of the plate with respect to the bolts such that the plate may be selectively positioned to adjust camber and/or toe a selected amount.
    Type: Grant
    Filed: July 31, 1987
    Date of Patent: March 24, 1992
    Assignee: Shim-A-Line, Inc.
    Inventors: John Specktor, Gerald A. Specktor
  • Patent number: 4936751
    Abstract: A universal fan blade mounting assembly including an elongated bar having flanges at each end. One of the flanges is shaped to cooperate with one end of a fan blade and the other flange is constructed for attachment to a ceiling fan rotor. The rotor connecting flange includes two holes therein one of the holes is round for encircling a fastening screw. The other hole forms an arcuate slot. The hole and slot cooperate such that the elongated bar extends outwardly from the center of the rotor such that the functional relationship between the fan blade and the rotor may be maintained.
    Type: Grant
    Filed: July 28, 1989
    Date of Patent: June 26, 1990
    Inventor: John C. Marshall
  • Patent number: 4882807
    Abstract: A torque control for providing a desired frictional resistance to a pivotally mounted vehicle accessory, such as an armrest or headrest, which includes a resilient member having an irregular arcuate slot. A resistance element extends in the slot to move along the length thereof as the pivoted component pivots about the pivot axis. The shape of the slot provides a desired predetermined frictional resistance.
    Type: Grant
    Filed: July 11, 1988
    Date of Patent: November 28, 1989
    Assignee: Prince Corporation
    Inventors: Dale J. Frye, Alan L. Kindig, Kenneth M. Lindberg, Robert J. Stander
  • Patent number: 4729541
    Abstract: There is disclosed a formwork for round or polygonal constructions with a formwork face having an adjustable curvature or circumference. The formwork has a chain of booms which are spaced apart from the formwork face and are composed of individual boom portions. The boom portions can be pivoted relative to one another and can be fixed in selected angular positions when the adjustment of the formwork face is completed. The pivot axes for the boom portions are not located at the boom portions themselves but are transposed into the plane of the formwork face so that the formwork and the formwork face are adjusted in assembled condition of the chain of booms. The boom portions, which are spaced apart from the joint axes have couplings which are adapted to be detachably connected to one another and are disposed along arcs with centers of curvature on the respective joint axes. The couplings can include overlapping plates with openings through which locking keys can be inserted.
    Type: Grant
    Filed: July 23, 1986
    Date of Patent: March 8, 1988
    Inventor: Josef Maier
  • Patent number: 4705063
    Abstract: A motor operated valve which includes a valve actuated by rotation of the valve stem, a rotary electric motor supported on the valve by a bracket which maintains the motor shaft and valve stem in axial alignment, and a two-piece coupling for drivably connecting the motor shaft and valve stem together. The two pieces of the coupling are angularly adjustable so that the relationship of the initial angular orientations of the motor shaft and of the valve stem can be set without disassembly of the valve or removal of the motor cover. The two pieces of the coupling abut through opposed toothed circular surfaces which rotate with respect to each other and bolt together to lock the coupling in the desired position.
    Type: Grant
    Filed: October 30, 1986
    Date of Patent: November 10, 1987
    Assignee: The Fulflo Specialties Co., Inc.
    Inventor: James L. Robinson
  • Patent number: 4684150
    Abstract: A camber and toe arrangement includes an improved shim device that adjusts both the camber and toe of a motor vehicle wheel. The shim device includes a tapered plate having a plurality of spaced apart bolt-engaging notches around the periphery. The bolt-engaging notches permit the shim device to be inserted between the wheel and the axis without removing the wheel mount and permit the shim device to be rotated so that the position of the taper is adjustable for correction of both toe and camber. The shim is inserted between the axle and the wheel mount by loosening all the bolts and removing two of the bolts, inserting the shim in the desired position and so that the remaining bolts engaging the bolt-engaging notches of the shim, inserting back the two bolts that were removed, and tightening all four bolts.
    Type: Grant
    Filed: October 31, 1983
    Date of Patent: August 4, 1987
    Assignee: Shim-A-Line, Inc.
    Inventors: John Specktor, Gerald A. Specktor
  • Patent number: 4657477
    Abstract: A portable engine-blower supporting device in which a handle suspending a fan case provided with an engine is always maintained in a horizontal state through adjusting holes.
    Type: Grant
    Filed: October 4, 1985
    Date of Patent: April 14, 1987
    Inventor: Gen Shinoda
  • Patent number: 4640301
    Abstract: A locking assembly is disclosed which is suitable for releasably locking two articulated pivoting members in a fixed position with respect to each other. The locking assembly comprises a spring biased reciprocating latch, a plunger attached to the latch, and a catch plate adapted to rotate into locking engagement therewith. The plunger and latch are preferably integral with each other, so that the latch contains a minimum number of moving parts. The latch is designed so that simple palm pressure will cause it to disengage from the catch plate, to permit the pivoting members to move with respect to each other. The present locking assembly is of simple design and inexpensive manufacture, and is durable in use. The locking assembly is particularly applicable for use in invalid appliances such as collapsible walkers, where the users have limited manual dexterity.
    Type: Grant
    Filed: May 2, 1985
    Date of Patent: February 3, 1987
    Assignee: Tubular Fabricators Industry, Inc.
    Inventors: Joseph D. Battiston, Sr., Joseph Battiston, Jr.
  • Patent number: 4619465
    Abstract: An improved method for aligning the wheels on a vehicle having a suspension system of the general type including a vertically disposed shock strut and a spindle having an upper and a lower arm bolted so the shock strut such that when the securing bolt is removed from the upper arm and the bolt securing the lower arm to the strut is loosened, the spindle can be pivoted about the bolt passing through the lower arm.
    Type: Grant
    Filed: December 31, 1984
    Date of Patent: October 28, 1986
    Inventor: Robert D. Johnson
  • Patent number: 4618272
    Abstract: A device for fixing a shaft journalled in a roller bearing, in an axial direction of the shaft, comprising a resilient element which presses the bearing against a supporting surface of a bearing housing and provides a measure of radial adjustment of the shaft in the housing. The fixing device also includes a screw-threaded member, which in its screwed-in position limits axial movement of the roller bearing.
    Type: Grant
    Filed: January 16, 1986
    Date of Patent: October 21, 1986
    Assignee: Stal Refrigeration AB
    Inventor: Paul Lindstrom
  • Patent number: 4518002
    Abstract: A locking assembly is disclosed which is suitable for releasably locking two articulated pivoting members in a fixed position with respect to each other. The locking assembly comprises a spring biased reciprocating latch, a plunger attached to the latch, and a catch plate adapted to rotate into locking engagement therewith. The plunger and latch are preferably integral with each other, so that the latch contains a minimum number of moving parts. The latch is designed so that simple palm pressure will cause it to disengage from the catch plate, to permit the pivoting members to move with respect to each other. The present locking assembly is of simple design and inexpensive manufacture, and is durable in use. The locking assembly is particularly applicable for use in invalid appliances such as collapsible walkers, where the users have limited manual dexterity.
    Type: Grant
    Filed: November 8, 1982
    Date of Patent: May 21, 1985
    Assignee: Tubular Fabricators Ind., Inc.
    Inventors: Joseph D. Battiston, Sr., Joseph Battiston, Jr.
  • Patent number: 4496005
    Abstract: A gauge wheel arm pivotally connected to an implement frame carries a first slotted plate, and a second slotted plate is fixed to the frame with the slots of the respective plates overlapping to receive a single bolt at the area of overlap. The slots, which provide for continuous adjustment of the arm, are angled with respect to each other to provide a scissors- or ramp-type action on the bolt which positively fixes the arm relative to the frame.
    Type: Grant
    Filed: July 13, 1983
    Date of Patent: January 29, 1985
    Assignee: Deere & Company
    Inventor: James A. Swartzendruber
  • Patent number: 4398840
    Abstract: A frame member connection assembly for a fence gate which enables adjustment of the substantially horizontally disposed frame members such that they extend parallel with the supporting surface and assist in preventing unnecessary gaps between the gate and such supporting surface. The connection assembly includes a mating pair of brackets, each of which have a receptacle for receiving juxtaposed end portions of joined frame members. A connector member is mounted on one end portion of each of the receptacles and is designed for being connected with the mating connector member of the mating bracket for receiving and holding the juxtaposed end portions of the joined gate frame members. The connection assembly supports the frame members in such a manner that their centrally disposed longitudinal axis substantially intersect, to facilitate rotation of the joined frame members with respect to each other to a desired position where they are secured.
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: August 16, 1983
    Inventor: Errol J. French
  • Patent number: 4361057
    Abstract: A device for changing drop-style handlebars between a downward or racing position and a touring or general use position, comprising a coupler including two mutually rotatable members, attached respectively to a free or gripping part of a handlebar and to a central part of the handlebar which is secured to a steering post.
    Type: Grant
    Filed: February 28, 1980
    Date of Patent: November 30, 1982
    Assignee: John Sigan
    Inventor: Peter G. Kochera
  • Patent number: 4202074
    Abstract: A curtain suspension device comprising a curtain board having a horizontal hole at each end for fastening upon a pair of stem brackets, each of which comprising a wall plate having peripheral holes for fastening to a wall by means of screws, and a central threaded hole receiving a correspondingly threaded stem extending at right angles to the wall surface to receive the curtain board at its outer end, and a spring clip adapted to clamp one upper corner of a curtain against the wall. The wall plate of said stem bracket is provided, diametrically opposite to a peripheral hole therein, with a slot in the form of an arc of a circle the center of which coincides with the center of said hole, and the wall plates of said two stem brackets are mounted or adapted to be mounted in a manner such that the symmetry axis through the peripheral hole, the center hole and the slot of said two wall plates intersect at an angle of 90.degree.
    Type: Grant
    Filed: October 4, 1978
    Date of Patent: May 13, 1980
    Inventor: Goran J. F. Hard Af Segerstad
  • Patent number: 4078866
    Abstract: A replaceable blade yoke holder, carried by an adapter clamp, comprising a pair of parallel horizontal wedges, with the wedges adapted to be removably held together by bolt holding means, and with certain of adjacent outer edges of the wedges being adapted for replaceably holding a cultivator blade tool there upon bolt holding securement of the wedge together and with an edge of one of the wedges being reinforced with a carbon steel member secured at a ninety degree angle thereto to resist a bending of that wedge upon such bolt holding means securement of the wedges together.This invention relates to replaceable blades in the farming industry, and more particularly to the type of a cultivator blade which is drawn through the ground a short distance below the surface of the ground. Such a blade usually has a point, and a cutting edge to cut the ground at a required depth. Use of the blade over a comparatively short period of time results in a dulling of the blade and requires that it be replaced.
    Type: Grant
    Filed: September 9, 1976
    Date of Patent: March 14, 1978
    Assignee: Hawkins Mfg., Inc.
    Inventor: Roy I. Hawkins
  • Patent number: 4030378
    Abstract: A pushrod-to-bellcrank attachment includes a primary pivot connection and two secondary pin and slot connections so arranged relative to each other that there is a continuing operative connection of the pushrod to the bellcrank in the event the primary connection is lost by small arms fire. When the primary pivot is lost, the pins of the secondary connections act in conjunction with the slots, which are arcuate, as a large bearing struck about the primary pivot to maintain the rod and the bellcrank in their original relative positions about the primary pivot with no introduction of lost motion between bellcrank and rod.
    Type: Grant
    Filed: March 11, 1976
    Date of Patent: June 21, 1977
    Assignee: United Technologies Corporation
    Inventor: Edward James Kroesser