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US 10,584,767 B1Granted
Engine safety lock out
AssigneeKp Manufacturing, LLC
InventorRandy Allan Vincent
Life of this patent
Estimating the term…
Abstract
A safety device designed to lock an engine flywheel and shaft in place during maintenance and repairs on the engine.
Claims9
A lock out device for engaging peripherally arranged teeth on a radial edge of a circular flywheel in a flywheel housing of an engine, said lock out device comprising:
- (a) a base for attaching said lock out device to said flywheel housing of said engine;
- (b) a body attached to said base, said body having a front wall, a top wall, and two side walls, said body having a hole bored into said body through said front wall of said body, said hole having a longitudinal axis perpendicular to a tangent of said circular flywheel;
- (c) a multi-directional slot cut into said top wall of said body and into one of said two side walls of said body, where a first portion of said slot has a depth that extends from said top wall of said body to said hole bored into said body, and where a second portion of said slot has a depth that extends from said one of said two side walls of said body to said hole bored into said body, where a first end of said slot begins on said top wall of said body near said front wall of said body, where said slot extends from said first end of said slot along said top wall of said body parallel to said longitudinal axis of said hole bored into said body, at which point said slot turns ninety degrees toward said one of said two sides walls of said body and extends toward said side wall until said slot reaches said side wall, at which point said slot extends down said side wall and then turns ninety degrees toward said front wall of said body and extends toward said front wall of said body parallel to said longitudinal axis of said hole bored into said body, where said slot ends at a second end of said slot on said side wall of said body at a point farther from said front wall of said body than said first end of said slot;
- (d) a set of pad eyes extending from said top wall of said body perpendicular to said top wall, where one pad eye of said set of pad eyes is located near said first end of said slot on one side of said slot, where another pad eye of said set of pad eyes is located near said first end of said slot on the opposite of said slot, where each pad eye is equipped with a pin hole;
- (e) a spring inserted into said hole of said body;
- (f) a locking shaft inserted into said hole of said body after said spring is inserted into said hole of said body, said locking shaft having a first end and a second end, said first end of said locking shaft equipped with a set of teeth for engaging said peripherally arranged teeth on said radial edge of said circular flywheel in said flywheel housing of said engine;
- said second end of said locking shaft equipped to butt up against said spring when said locking shaft and said spring are inserted into said hole in said body, said locking shaft equipped with a circular recess and a hole within said circular recess between said first end and said second end of said locking shaft, said locking shaft equipped with a set screw hole adjacent to said circular recess and said hole within said circular recess, where said set screw hole extends through said locking shaft to said hole within said circular recess of said locking shaft;
- (g) a handle attached to said locking shaft, said handle having a first end, a second end, and a longitudinal axis, said first end of said handle equipped with a cylindrical projection having the same longitudinal axis as said handle, said cylindrical projection equipped with a threaded set screw hole, said threaded set screw hole located on said cylindrical projection so that when said cylindrical projection is inserted into said hole with said circular recess of said locking shaft, said threaded set screw hole lines up with said set screw hole on said locking shaft, said handle equipped with a pin hole that extends through said handle, said pin hole extending through said handle where, when said handle is attached to said locking shaft and set of teeth of said locking shaft are engaged with said peripherally arranged teeth on said radial edge of said flywheel, said pin hole that extends through said handle is lined up with said pin hole on each of said pad eyes;
- (h) a set screw inserted through said set screw hole on said locking shaft and threaded into said threaded set screw hole of said cylindrical projection on said first end of said handle to attach said handle to said locking shaft;
- and
- (i) a safety pin inserted through said pin hole in said handle and through said pin hole in each of said pad eyes to lock said handle and said locking shaft in place when said set of teeth of said locking shaft are engaged with said peripherally arranged teeth on said radial edge of said flywheel of said engine.
8 more elements
A method of locking peripherally arranged teeth on a radial edge of a circular flywheel in a flywheel housing of an engine, said method comprising the steps of:
- (a) providing a base;
- (b) attaching a body to said base, said body having a front wall, a top wall, and two side walls;
- (c) boring a hole bored into said body through said front wall of said body;
- (d) cutting a multi-directional slot into said top wall of said body and into one of said two side walls of said body, where a first portion of said slot has a depth that extends from said top wall of said body to said hole bored into said body, and where a second portion of said slot has a depth that extends from said one of said two side walls of said body to said hole bored into said body, where a first end of said slot begins on said top wall of said body near said front wall of said body, where said slot extends from said first end of said slot along said top wall of said body parallel to said longitudinal axis of said hole bored into said body, at which point said slot turns ninety degrees toward said one of said two sides walls of said body and extends toward said side wall until said slot reaches said side wall, at which point said slot extends down said side wall and then turns ninety degrees toward said front wall of said body and extends toward said front wall of said body parallel to said longitudinal axis of said hole bored into said body, where said slot ends at a second end of said slot on said side wall of said body at a point farther from said front wall of said body than said first end of said slot;
- (e) extending a set of pad eyes from said top wall of said body perpendicular to said top wall, where one pad eye of said set of pad eyes is located near said first end of said slot on one side of said slot, where another pad eye of said set of pad eyes is located near said first end of said slot on the opposite of said slot, where each pad eye is equipped with a pin hole;
- (f) inserting a spring into said hole of said body;
- (g) inserting a locking shaft into said hole of said body after inserting said spring into said hole of said body, said locking shaft having a first end and a second end, said first end of said locking shaft equipped with a set of teeth for engaging said peripherally arranged teeth on said radial edge of said circular flywheel in said flywheel housing of said engine;
- said second end of said locking shaft equipped to butt up against said spring when said locking shaft and said spring are inserted into said hole in said body, said locking shaft equipped with a circular recess and a hole within said circular recess between said first end and said second end of said locking shaft, said locking shaft equipped with a set screw hole adjacent to said circular recess and said hole within said circular recess, where said set screw hole extends through said locking shaft to said hole within said circular recess of said locking shaft;
- (h) attaching a handle to said locking shaft through said multi-directional slot, said handle having a first end, a second end, and a longitudinal axis, said first end of said handle equipped with a cylindrical projection having the same longitudinal axis as said handle, said projection equipped with a threaded set screw hole, said threaded set screw hole located on said projection so that when said projection is inserted into said hole with said circular recess of said locking shaft, said threaded set screw hole lines up with said set screw hole on said locking shaft;
- (i) equipping said handle with a pin hole that extends through said handle, said pin hole extending through said handle where, when said handle is attached to said locking shaft and set of teeth of said locking shaft are engaged with said peripherally arranged teeth on said radial edge of said flywheel, said pin hole that extends through said handle is lined up with said pin hole on each of said pad eyes;
- (j) securing said handle to said locking shaft by inserting a set screw through said set screw hole on said locking shaft and by threading said set screw into said threaded set screw hole of said cylindrical projection on said first end of said handle;
- (k) attaching said base to said flywheel housing of said engine so that said handle can be maneuvered to extend said locking shaft out of said hole in said body to engage said set of teeth at said first end of said shaft with said peripherally arranged teeth on said radial edge of said circular flywheel in said flywheel housing of said engine;
- (l) inserting a safety pin through said pin hole in said handle and through said pin hole in each of said pad eyes to lock said handle and said locking shaft in place when said set of teeth of said locking shaft are engaged with said peripherally arranged teeth on said radial edge of said flywheel of said engine;
- and
- (m) maneuvering said handle to retract said locking shaft into said hole in said body to disengage said set of teeth at said first end of said shaft from said peripherally arranged teeth on said radial edge of said circular flywheel in said flywheel housing of said engine.
12 more elements
Dependencies are inferred from the claim text.