A gear motor of an electrical assistance device, in particular for a cycle, includes a gear reducer and an electric motor including a stator and a rotor integral in rotation with a shaft forming the input of the gear reducer. The gear reducer includes a toothed crown integral with the stator, a satellite-carrier fitted to pivot around the shaft, and forming the output of the gear reducer, at least two planet wheels fitted firstly on respective eccentric cams via a respective bearing. The ge ar motor also includes a rotor bearing to center a first end of the shaft on a fixed shaft of the gear motor, and a bearing device including deformable rolling elements. The bearing device is interposed between the satellite-carrier and a cylindrical receptacle which is integral with the stator, to center the shaft in the cylindrical receptacle at a second end.

A shaft assembly includes one or more axially-arranged plies having a plurality of bundles of strands. Each strand is formed of a ultra-high modulus carbon fiber material. One or more strands of glass fiber are wrapped around each bundle of the plurality of bundles. A volume of resin injected into the one or more axially-arranged plies and the assembly is cured via a resin transfer molding process. A method of forming a shaft assembly includes arranging a plurality of strands of ultra-high modulus carbon fiber material into a plurality of bundles. Each bundle of the plurality of bundles is wrapped with one or more strands of glass fiber material. The plurality of bundles are arranged into one or more axially-extending plies at a mandrel. A volume of resin is injected into the plurality of bundles and is cured to form the shaft assembly.

A bracket assembly that secures cables to rungs of a ladder rack. The bracket has a bottom portion, sidewalls, and an upper portion. The bracket is positioned under the rectangular body of the ladder rung and secured thereto with an interference fit. At least one cable is positioned on the ladder rung and the upper portion of the bracket. A tie secures the cable to the upper portion of the bracket.

A machine having a reciprocating slider crank mechanism, wherein an axis of a crankshaft, an axis of a first balancer shaft and an axis of a second balancer shaft are not arranged on the same plane, wherein vibration is highly controlled. The machine includes the reciprocating slider crank mechanism configured so as to satisfy setting formulae below:
U.sub.Cr=U.sub.P0.5
.sub.Cr=180
U.sub.B(Fr)={U1.sub.B(Fr).sup.++U2.sub.B(Fr).sup.2}.sup.1/2
U1.sub.B(Fr)=U.sub.P0.5{Lx.sub.B(Rr)/(Lx.sub.B(Rr)Lx.sub.B(Fr))}
U2.sub.B(Fr)=U.sub.P0.5{Ly.sub.B/(Lx.sub.B(Rr)Lx.sub.B(Fr))}
.sub.B(Fr)=180arctan(U2.sub.B(Fr)/U1.sub.B(Fr))
U.sub.B(Rr)={U1.sub.B(Rr).sup.2+U2.sub.B(Rr).sup.2}.sup.1/2
U1.sub.B(Rr)=U.sub.P0.5{Lx.sub.B(Fr)/(Lx.sub.B(Fr)Lx.sub.B(Rr))}
U2.sub.B(Rr)=U2.sub.B(Fr)
.sub.B(Rr)=180arctan(U2.sub.B(Rr)/U1.sub.B(Rr)).

A machine having a reciprocating slider crank mechanism, wherein an axis of a crankshaft, an axis of a first balancer shaft and an axis of a second balancer shaft are not arranged on the same plane, wherein vibration is highly controlled. The machine includes the reciprocating slider crank mechanism configured so as to satisfy setting formulae below:
U.sub.Cr=U.sub.P0.5
.sub.Cr=180
U.sub.B(Fr)={U1.sub.B(Fr).sup.++U2.sub.B(Fr).sup.2}.sup.1/2
U1.sub.B(Fr)=U.sub.P0.5{Lx.sub.B(Rr)/(Lx.sub.B(Rr)Lx.sub.B(Fr))}
U2.sub.B(Fr)=U.sub.P0.5{Ly.sub.B/(Lx.sub.B(Rr)Lx.sub.B(Fr))}
.sub.B(Fr)=180arctan(U2.sub.B(Fr)/U1.sub.B(Fr))
U.sub.B(Rr)={U1.sub.B(Rr).sup.2+U2.sub.B(Rr).sup.2}.sup.1/2
U1.sub.B(Rr)=U.sub.P0.5{Lx.sub.B(Fr)/(Lx.sub.B(Fr)Lx.sub.B(Rr))}
U2.sub.B(Rr)=U2.sub.B(Fr)
.sub.B(Rr)=180arctan(U2.sub.B(Rr)/U1.sub.B(Rr)).

A machine having a reciprocating slider crank mechanism, wherein an axis of a crankshaft, an axis of a first balancer shaft and an axis of a second balancer shaft are not arranged on the same plane, wherein vibration is highly controlled. The machine includes the reciprocating slider crank mechanism configured so as to satisfy setting formulae below:

U.sub.Cr=U.sub.P0.5

.sub.Cr=180

U.sub.B(Fr)={U1B(Fr).sup.++U2B(Fr).sup.2}.sup.1/2

U1.sub.B(Fr)=U.sub.P0. 5{Lx.sub.B(Rr)/(Lx.sub.B(Rr)Lx.sub.B(Fr))}

U2.sub.B(Fr)=U.sub.P0.5{Ly.sub.B/(Lx.sub.B(Rr)Lx.sub.B(Fr))}

.sub.B(Fr)=180arctan(U2.sub.B(Fr)/U1.sub.B(Fr))

U.sub.B(Rr)={U1.sub.B(Rr).sup.2+U2.sub.B(Rr).sup.2}.sup.1/2

U1.sub.B(Rr)=U.sub.P0.5{Lx.sub.B(Fr)/(Lx.sub.B(Fr)Lx.sub.B(Rr))}

U2.sub.B(Rr)=U2.sub.B(Fr)

.sub.B(Rr)=180arctan(U2.sub.B(Rr)/U1.sub.B(Rr)).

A machine having a reciprocating slider crank mechanism, wherein an axis of a crankshaft, an axis of a first balancer shaft and an axis of a second balancer shaft are not arranged on the same plane, wherein vibration is highly controlled. The machine includes the reciprocating slider crank mechanism configured so as to satisfy setting formulae below:

U.sub.Cr=U.sub.P0.5

.sub.Cr=180

U.sub.B(Fr)={U1B(Fr).sup.++U2B(Fr).sup.2}.sup.1/2

U1.sub.B(Fr)=U.sub.P0. 5{Lx.sub.B(Rr)/(Lx.sub.B(Rr)Lx.sub.B(Fr))}

U2.sub.B(Fr)=U.sub.P0.5{Ly.sub.B/(Lx.sub.B(Rr)Lx.sub.B(Fr))}

.sub.B(Fr)=180arctan(U2.sub.B(Fr)/U1.sub.B(Fr))

U.sub.B(Rr)={U1.sub.B(Rr).sup.2+U2.sub.B(Rr).sup.2}.sup.1/2

U1.sub.B(Rr)=U.sub.P0.5{Lx.sub.B(Fr)/(Lx.sub.B(Fr)Lx.sub.B(Rr))}

U2.sub.B(Rr)=U2.sub.B(Fr)

.sub.B(Rr)=180arctan(U2.sub.B(Rr)/U1.sub.B(Rr)).

A bracket assembly that secures cables to rungs of a ladder rack. The bracket has a bottom portion, sidewalls, and an upper portion. The bracket is positioned under the rectangular body of the ladder rung and secured thereto with an interference fit. At least one cable is positioned on the ladder rung and the upper portion of the bracket. A tie secures the cable to the upper portion of the bracket.

A cradle clamp bracket assembly that secures cables to rungs of a ladder rack. The cradle clamp bracket assembly includes an elongated bracket having a first portion and a raised second portion. The first portion includes a slot located along the center of the first portion. The raised second portion includes a downwardly extending flange and at least one gusset to strengthen the bracket. The cradle clamp bracket assembly also includes a retainer that is received in the slot to engage the rung of the ladder rack.

A cradle clamp bracket assembly that secures cables to rungs of a ladder rack. The cradle clamp bracket assembly includes an elongated bracket having a first portion and a raised second portion. The first portion includes a slot located along the center of the first portion. The raised second portion includes a downwardly extending flange and at least one gusset to strengthen the bracket. The cradle clamp bracket assembly also includes a retainer that is received in the slot to engage the rung of the ladder rack.