US 12,213,405 B1
Ergonomic grip for weed trimmer
Robbie Hamilton, Huntsville, AL (US)
Filed by Robbie Hamilton, Huntsville, AL (US)
Filed on Apr. 1, 2022, as Appl. No. 17/711,169.
Application 17/711,169 is a continuation in part of application No. 17/113,767, filed on Dec. 7, 2020, granted, now 11,730,081.
Application 17/113,767 is a continuation of application No. 16/399,464, filed on Apr. 30, 2019, abandoned.
Claims priority of provisional application 62/764,427, filed on Aug. 2, 2018.
Claims priority of provisional application 62/762,861, filed on May 24, 2018.
Int. Cl. A01D 34/90 (2006.01); A01B 1/02 (2006.01); A01D 34/82 (2006.01); B25F 5/02 (2006.01)
CPC A01D 34/902 (2013.01) [A01B 1/026 (2013.01); A01D 34/824 (2013.01); B25F 5/026 (2013.01); A01D 34/90 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An attachment apparatus configured to be coupled to a main shaft of a weed trimmer, the main shaft including a proximal end and a distal end to which a trimmer head is attached opposite the proximal end, the attachment apparatus comprising:
a shaft collar clamp including a passageway configured to receive the main shaft of the weed trimmer and at least one attachment hole defined through the shaft collar clamp parallel to the passageway;
an accessory attachment member having a base portion and a semicylindrical portion extending from the base portion;
a coupling rod extending from the accessory attachment member, the coupling rod configured to be received by the at least one attachment hole of the shaft collar clamp; and
a handle mounting bracket couplable to the accessory attachment member, the handle mounting bracket including:
a first portion having a mounting surface configured to engage the base portion of the accessory attachment member, a channel defined in the mounting surface and configured to receive the semicylindrical portion of the accessory attachment member, and a first engagement surface positioned opposite and perpendicular to the mounting surface;
a second portion having a second engagement surface configured to engage the first engagement surface and a shaft receptacle positioned opposite and perpendicular to the second engagement surface; and
a coupling mechanism configured to couple and limit rotational movement between the first and second engagement surfaces.